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Ford Sierra
Service and Repair Manual
Steve Rendle and Christopher Rogers
Models covered
Saloon (Sapphire and Hatchback), Estate and P100 Pick-up models, including special/limited editions,
with four-cylinder SOHC, DOHC & CVH petrol engines and two-wheel-drive

Does not cover V6 or Diesel engine models, four-wheel-drive models, or RS Cosworth

(903 - 368 - 11Y8)

© Haynes Publishing 1996
A book in the Haynes Service and Repair Manual Series
All rights reserved. No part of this book may be reproduced or
transmitted in any form or by any means, electronic or mechanical,
including photocopying, recording or by any information storage
or retrieval system, without permission in writing from the
copyright holder.

Printed by J H Haynes & Co. Ltd, Sparkford, Nr Yeovil,
Somerset BA22 7JJ
Haynes Publishing
Sparkford, Nr Yeovil, Somerset BA22 7JJ England

ISBN 1 85960 090 5

Haynes North America, Inc
861 Lawrence Drive, Newbury Park, California 91320 USA

British Library Cataloguing in Publication Data
A catalogue record for this book is available from from the British library.

Editions Haynes S.A.
147/149, rue Saint Honore, 75001 PARIS, France


Contents
LIVING WITH YOUR FORD SIERRA
Introduction to the Ford Sierra

Page

0•4

Acknowledgements

Page

0•4

Safety first!

Page

0•5

Jacking, vehicle support and wheel changing

Page

0•6

Towing

Page

0•7

Identifying leaks

Page

0•8

Jump starting

Page

0•9

ROADSIDE REPAIRS

Weekly Checks
Introduction

Page 0•10

Underbonnet check points

Page 0•10

Engine Oil level

Page 0•12

Coolant level

Page 0•12

Screen washer fluid level

Page 0•13

Brake fluid level

Page 0•13

Power steering fluid level

Page 0•14

Electrical systems

Page 0•14

Battery

Page 0•15

Wiper blades

Page 0•15

Tyre condition and pressure

Page 0•16

Lubricants and fluids

Page 0•17

Tyre pressures

Page 0•18

MAINTENANCE
Routine Maintenance and Servicing

Page

1•1

Maintenance schedule

Page

1•4

Maintenance procedures

Page

1•9


Contents
REPAIRS AND OVERHAUL
Engine and Associated Systems
SOHC engines

Page 2A•1

DOHC engines

Page 2B•1

CVH engines

Page 2C•1

Cooling, heating and air conditioning systems

Page

Fuel/exhaust systems - carburettor models

Page 4A•1

Fuel/exhaust systems - fuel injection models

Page 4B•1

Engine electrical systems

Page

5•1

Clutch

Page

6•1

Manual gearbox

Page 7A•1

Automatic transmission

Page 7B•1

Propellor shaft

Page

8•1

Final drive and driveshafts

Page

9•1

3•1

TRANSMISSION

BRAKES AND SUSPENSION
Braking system

Page 10•1

Suspension and steering

Page 11•1

BODY EQUIPMENT
Bodywork, trim and fittings

Page 12•1

Body electrical systems

Page 13•1

Wiring Diagrams

Page 13•22

Reference

General dimensions and weights

Page REF•1

Buying spare parts and vehicle identification

Page REF•3

General repair procedures

Page REF•4

Tools and working facilities

Page REF•5

MOT test checks

Page REF•7

Fault finding

Page REF•11

Glossary of technical terms

Page REF•18

Index

Page REF•23


0•4

Introduction

Introduction to the Ford Sierra
The Ford Sierra was first introduced in late 1982 with the option of
seven different engines and four different trim levels. This manual
covers the four cylinder in-line petrol engines, but other models in the
range are fitted with V6 or diesel engines.
The Sierra was introduced by Ford as the successor to the Cortina
and initially received a mixed reception as it was one of the first
vehicles to make use of the “aeroback” body style designed to reduce
the air drag coefficient to a minimum in the interests of fuel economy.
Mechanically the Sierra is similar to the Cortina with the exception of
all-round independent suspension.
Initially, 1.3, 1.6 and 2.0 litre SOHC carburettor engines were
available, with Hatchback and Estate body styles. In late 1984, a 1.8
litre SOHC engine became available and in 1985, a performance
orientated 2.0 litre SOHC fuel injection engine was introduced.

Towards the end of 1986, the 1.3 litre engine was phased out. In order
to fill a gap in the range, a Saloon body style, designated the Sapphire,
was introduced in early 1987 and shortly afterwards, a 1.8 litre CVH
engine replaced the previously used 1.8 litre SOHC engine throughout
the model range.
A 1.6 litre CVH engine was introduced in September 1991 to replace
the 1.6 litre SOHC engine used previously, this engine being broadly

similar to the original 1.8 litre CVH engine which was in turn uprated in
March, 1992.
A 2.0 litre DOHC (Double OverHead Camshaft) engine was introduced in August 1989 to replace the 2.0 litre SOHC engine.
In early 1988, a Sierra-based P100 pick-up model became available
to replace the previous Cortina-based design. The P100 consists of a
Sierra-type “cab” and front suspension, and a Ford Transit-type rear
suspension and 2.0 litre engine.
A wide range of standard and optional
equipment is available within the Sierra
range to suit most tastes, including an
anti-lock braking system.
For the home mechanic, the Sierra is a
straightforward vehicle to maintain and
repair since design features have been
incorporated to reduce the actual cost of
ownership to a minimum, and most of the
items requiring frequent attention are
easily accessible.

Ford Sierra L

Ford Sierra Ghia Estate

Acknowledgements
Thanks are due to Champion Spark Plug who supplied the illustrations
showing spark plug conditions. Certain other illustrations are the
copyright of the Ford Motor Company and are used with their
permission. Thanks are also due to Sykes-Pickavant Limited, who
provided some of the workshop tools, and to all those people at
Sparkford who helped in the production of this manual.

We take great pride in the accuracy of information given in this
manual, but vehicle manufacturers make alterations and design
changes during the production run of a particular vehicle of which they
do not inform us. No liability can be accepted by the authors or
publishers for loss, damage or injury caused by errors in, or omissions
from, the information given.


Safety First!
Working on your car can be dangerous.
This page shows just some of the potential
risks and hazards, with the aim of creating a
safety-conscious attitude.

General hazards
Scalding
• Don’t remove the radiator or expansion
tank cap while the engine is hot.
• Engine oil, automatic transmission fluid or
power steering fluid may also be dangerously
hot if the engine has recently been running.

Burning
• Beware of burns from the exhaust system
and from any part of the engine. Brake discs
and drums can also be extremely hot
immediately after use.

Crushing

• When working under or near
a raised vehicle,
always
supplement the
jack with axle
stands, or use
drive-on
ramps.
Never
venture
under a car which
is only supported by a jack.
• Take care if loosening or tightening hightorque nuts when the vehicle is on stands.
Initial loosening and final tightening should
be done with the wheels on the ground.

• Mains voltage is also dangerous. Make
sure that any mains-operated equipment is
correctly earthed. Mains power points should
be protected by a residual current device
(RCD) circuit breaker.

Fume or gas intoxication
• Exhaust fumes are
poisonous; they often
contain carbon
monoxide, which is
rapidly fatal if inhaled.
Never run the
engine in a

confined space
such as a garage
with the doors shut.
• Fuel vapour is also
poisonous, as are the vapours from some
cleaning solvents and paint thinners.

Poisonous or irritant substances
• Avoid skin contact with battery acid and
with any fuel, fluid or lubricant, especially
antifreeze, brake hydraulic fluid and Diesel
fuel. Don’t syphon them by mouth. If such a
substance is swallowed or gets into the eyes,
seek medical advice.
• Prolonged contact with used engine oil can
cause skin cancer. Wear gloves or use a
barrier cream if necessary. Change out of oilsoaked clothes and do not keep oily rags in
your pocket.
• Air conditioning refrigerant forms a
poisonous gas if exposed to a naked flame
(including a cigarette). It can also cause skin
burns on contact.

Fire

• Asbestos dust can cause cancer if inhaled
or swallowed. Asbestos may be found in
gaskets and in brake and clutch linings.
When dealing with such components it is
safest to assume that they contain asbestos.

Specia hazards
Hydrofluoric acid
• This extremely corrosive acid is formed
when certain types of synthetic rubber, found
in some O-rings, oil seals, fuel hoses etc, are
exposed to temperatures above 4000C. The
rubber changes into a charred or sticky
substance containing the acid. Once formed,
the acid remains dangerous for years. If it
gets onto the skin, it may be necessary to
amputate the limb concerned.
• When dealing with a vehicle which has
suffered a fire, or with components salvaged
from such a vehicle, wear protective gloves
and discard them after use.

The battery
• Batteries contain sulphuric acid, which
attacks clothing, eyes and skin. Take care
when topping-up or carrying the battery.
• The hydrogen gas given off by the battery
is highly explosive. Never cause a spark or
allow a naked light nearby. Be careful when
connecting and disconnecting battery
chargers or jump leads.

Air bags
• Air bags can cause injury if they go off
accidentally. Take care when removing the

steering wheel and/or facia. Special storage
instructions may apply.

Diesel injection equipment
• Diesel injection pumps supply fuel at very
high pressure. Take care when working on
the fuel injectors and fuel pipes.

Asbestos

• Fuel is highly flammable; fuel vapour is
explosive.
• Don’t let fuel spill onto a hot engine.
• Do not smoke or allow naked lights
(including pilot lights) anywhere near a
vehicle being worked on. Also beware of
creating sparks
(electrically or by use of tools).
• Fuel vapour is heavier than air, so don’t
work on the fuel system with the vehicle over
an inspection pit.
• Another cause of fire is an electrical
overload or short-circuit. Take care when
repairing or modifying the vehicle wiring.
• Keep a fire extinguisher handy, of a type
suitable for use on fuel and electrical fires.

0•5

Electric shock

• Ignition HT
voltage can be
dangerous,
especially to
people with heart
problems or a
pacemaker. Don’t
work on or near the
ignition system with
the engine running or
the ignition switched on.

Warning: Never expose the hands,
face or any other part of the body
to injector spray; the fuel can
penetrate the skin with potentially fatal
results.

Remember...

A few tips

DO

DON’T

• Do use eye protection when using power
tools, and when working under the vehicle.

• Don’t attempt to lift a heavy component

which may be beyond your capability – get
assistance.

• Do wear gloves or use barrier cream to
protect your hands when necessary.
• Do get someone to check periodically
that all is well when working alone on the
vehicle.
• Do keep loose clothing and long hair well
out of the way of moving mechanical parts.
• Do remove rings, wristwatch etc, before
working on the vehicle – especially the
electrical system.
• Do ensure that any lifting or jacking
equipment has a safe working load rating
adequate for the job.

• Don’t rush to finish a job, or take
unverified short cuts.
• Don’t use ill-fitting tools which may slip
and cause injury.
• Don’t leave tools or parts lying around
where someone can trip over them. Mop
up oil and fuel spills at once.
• Don’t allow children or pets to play in or
near a vehicle being worked on.


0•6

Roadside repairs

Jacking, vehicle support and wheel changing
The jack supplied with the vehicle tool kit
should only be used for changing roadwheels.
When carrying out any other kind of work,
raise the vehicle using a trolley jack, and
always supplement the jack with axle stands
positioned under the vehicle jacking points.
To change a roadwheel, first remove the
spare wheel and jack from their stowage
positions. On Saloon, Hatchback and Estate
models, the jack and spare wheel are located
in the luggage compartment. On P100
models, the jack is located behind the
passenger seat, and the spare wheel is
located under the rear of the cargo area.
Firmly apply the handbrake and engage first
gear on manual gearbox models or “P” on

automatic transmission models. Place chocks
at the front and rear of the wheel diagonally
opposite the one to be changed.
Where applicable, remove the wheel trim
and slacken the wheel nuts using the wheel
brace provided in the vehicle tool kit. Position
the jack head under the jacking point nearest
to the wheel to be changed. Raise the jack
until the wheel is clear of the ground, then
remove the wheel nuts and the wheel. Fit the

spare wheel and secure it with the wheel nuts.
Lower the jack until the wheel is just touching
the ground, and tighten the wheel nuts
moderately tight. Now lower the jack fully and
tighten the wheel nuts securely in a diagonal
sequence. Where applicable, refit the wheel

Location of jacking points - Saloon,
Hatchback and Estate models
A Jacking points for use with vehicle jack
B Jacking points for use with trolley jack or
axle stands

Rear jacking point - Hatchback model

trim , then withdraw the jack and stow the
wheel and jack in thier respective locations.
When jacking up the vehicle with a trolley
jack, position the jack under one of the
relevant jacking point (note that on P100
models, the jackng points for use with a trolley
jack are different to those for use with the
vehicle jack). Do not jack the vehicle under the
sump or or any of the steering or suspension
components. Supplement the jack using axle
stands. The jacking points and axle stand
positions are shown in the accompanying
illustrations. Never work under, around or near
a raised vehicle unless it is adequately
supported in at least two places.

Location of jacking points - P100 models
A Jacking points for use with vehicle jack
B Jacking points for use with trolley jack or axle stands

Jack location by front wheel Hatchback model

Axle stand correctly positioned under
front jacking point Hatchback model


Roadside repairs

0•7

Towing
Towing eyes are fitted to the front and rear
of the vehicle for attachment of a tow rope.
Always turn the ignition key to position “II”
when thew vehicle is being towed, so that the
steering lock is released and the direction
indicator and brake lamps are operational.
Before being towed, release the handbrake
and place the gear lever in neutral. On

automatic transmission models, the towing
speed must not exceed 25 mph (40 kph), and
the towing distance must not exceed 12 miles
(20 km). For longer distances, or if
transmission damage is suspected, the

propellor shaft should be removed, or the rear
of the vehicle should be lifted clear of the
ground.

Front towing eye - Hatchback model

Rear towing eye - Hatchback model

Push or tow starting is not possible on
vehicles fitted with automatic transmission.


0•8

Roadside repairs
Identifying leaks

Puddles on the garage floor or drive, or
obvious wetness under the bonnet or
underneath the car, suggest a leak that needs
investigating. It can sometimes be difficult to
decide where the leak is coming from,
especially if the engine bay is very dirty
already. Leaking oil or fluid can also be blown
rearwards by the passage of air under the car,
giving a false impression of where the
problem lies.

Warning: Most automotive oils
and fluids are poisonous. Wash

them off skin, and change out of
contaminated clothing, without
delay.

The smell of a fluid leaking
from the car may provide a
clue to what’s leaking. Some
fluids are distinctively
coloured. It may help to clean the car
carefully and to park it over some clean
paper overnight as an aid to locating the
source of the leak.
Remember that some leaks may only
occur while the engine is running.

Sump oil

Oil from filter

Gearbox oil

Engine oil may leak from the drain plug...

...or from the base of the oil filter.

Gearbox oil can leak from the seals at the
inboard ends of the driveshafts.

Antifreeze

Brake fluid

Power steering fluid

Leaking antifreeze often leaves a crystalline
deposit like this.

A leak occurring at a wheel is almost
certainly brake fluid.

Power steering fluid may leak from the pipe
connectors on the steering rack.


Roadside repairs
Jump starting will get you out
of trouble, but you must correct
whatever made the battery go
flat in the first place. There are
three possibilities:
The battery has been drained by
repeated attempts to start, or by
leaving the lights on.

1

The charging system is not working
properly (alternator drivebelt slack
or broken, alternator wiring fault or
alternator itself faulty).

2
3

1

0•9

Jump starting
When jump-starting a car using a
booster battery, observe the following
precautions:

4 Make sure that the booster battery is

4 Before connecting the booster

4 If the battery is being jump-started

the same voltage as the discharged
one in the vehicle.
from the battery in another vehicle,
the two vehcles MUST NOT TOUCH
each other.

battery, make sure that the ignition is
switched off.
4 Ensure that all electrical equipment

(lights, heater, wipers, etc) is

switched off.

4 Make sure that the transmission is in

neutral (or PARK, in the case of
automatic transmission).

The battery itself is at fault
(electrolyte low, or battery worn out).

Connect one end of the red jump lead to
the positive (+) terminal of the flat
battery

2

Connect the other end of the red lead to
the positive (+) terminal of the booster
battery.

3

Connect one end of the black jump lead
to the negative (-) terminal of the
booster battery

4

Connect the other end of the black
jump lead to a bolt or bracket on the

engine block, well away from the
battery, on the vehicle to be started.

5

Make sure that the jump leads will not
come into contact with the fan, drivebelts or other moving parts of the
engine.

6

Start the engine using the booster
battery, then with the engine running at
idle speed, disconnect the jump leads in
the reverse order of connection.


0•10

Weekly checks

Introduction
There are some very simple checks which
need only take a few minutes to carry out, but
which could save you a lot of inconvenience
and expense.

Ⅺ Keeping an eye on tyre condition and
pressures, will not only help to stop them
wearing out prematurely, but could also save

your life.

These "Weekly checks" require no great skill
or special tools, and the small amount of time
they take to perform could prove to be very
well spent, for example;

Ⅺ Many breakdowns are caused by electrical
problems.
Battery-related
faults
are
particularly common, and a quick check on a
regular basis will often prevent the majority of
these.

Ⅺ If your car develops a brake fluid leak, the
first time you might know about it is when your
brakes don't work properly. Checking the level
regularly will give advance warning of this kind
of problem.
Ⅺ If the oil or coolant levels run low, the cost
of repairing any engine damage will be far
greater than fixing the leak, for example.

Underbonnet check points
ᮤ 2.0 litre OHC
Carburettor model
(air cleaner removed for clarity)

A Location of oil level dipstick
B Engine oil filler cap
C Coolant expansion tank
D Brake fluid reservoir
E Windscreen washer reservoir
F Battery

ᮤ 2.0 litre OHC
Fuel injection model

A Oil level dipstick
B Engine oil filler cap
C Coolant expansion tank
D Brake fluid reservoir
E Windscreen washer reservoir
F Battery


Weekly checks

ᮤ 1.8 litre CVH
Air cleaner removed for clarity

A Oil level dipstick
B Engine oil filler cap
C Coolant expansion tank
D Brake fluid reservoir
E Windscreen washer reservoir
F Battery

ᮤ 2.0 litre DOHC
A Oil level dipstick
B Engine oil filler cap
C Coolant expansion tank
D Power steering fluid reservoir
E Windscreen washer reservoir
F Battery

0•11


Weekly checks

0•12

Engine oil level
Before you start
4 Make sure that your car is on level ground.
4 Check the oil level before the car is driven,
or at least 5 minutes after the engine has been
switched off.
If the oil is checked
immediately after driving the
vehicle, some of the oil will
remain in the upper engine
components, resulting in an inaccurate
reading on the dipstick!

The correct oil

1

On some models, the dipstick is brightly
coloured for easy identification. Refer to
the photos on pages 0•10 and 0•11 for the
exact location for each engine type

2

Using a clean rag or paper towel remove
all oil from the dipstick. Insert the clean
dipstick into the tube as far as it will go, then
withdraw it again.

3

4

Modern engines place great demands on their
oil. It is very important that the correct oil for
your car is used (See “Lubricants and Fluids”).

Car Care
l If you have to add oil frequently, you should
check whether you have any oil leaks. Place
some clean paper under the car overnight,
and check for stains in the morning. If there
are no leaks, the engine may be burning oil
(see “Fault Finding”).
l Always maintain the level between the

upper and lower dipstick marks (see photo 3).
If the level is too low severe engine damage
may occur. Oil seal failure may result if the
engine is overfilled by adding too much oil.

Note the oil level on the end of the
dipstick, which should be between the
upper (“MAX”) mark and lower (“MIN”) mark.
Approximately 1.0 litre of oil will raise the level
from the lower mark to the upper mark.

Oil is added through the filler cap.
Unscrew the cap and top-up the level; a
funnel may help to reduce spillage . Add the
oil slowly, checking the level on the dipstick
frequently. Avoid overfilling (see “Car Care”).

Coolant level
Warning: DO NOT attempt to
remove the expansion tank
pressure cap when the engine
is hot, as there is a very great
risk of scalding. Do not leave
open containers of coolant
about, as it is poisonous.

1

The coolant level varies with the
temperature of the engine. When the

engine is cold, the coolant level should be at
the “MAX” mark. When the engine is hot, the
level may rise slightly above this mark.

Car Care
l With a sealed-type cooling system, adding
coolant should not be necessary on a regular
basis. If frequent topping-up is required, it is
likely there is a leak. Check the radiator, all
hoses and joint faces for signs of staining or
wetness, and rectify as necessary.

2

If topping-up is necessary, wait until the
engine is cold. Slowly turn the expansion
tank cap anti-clockwise to relieve the system
pressure. Once any pressure is released, turn
the cap anti-clockwise unti it can be lifted off.

l It is important that antifreeze is used in the
cooling system all year round, not just during
the winter months. Don’t top-up with water
alone, as the antifreeze will become too
diluted.

3

Add a mixture of water and antifreeze
through the expansion tank filler neck

until the coolant reaches the “MAX” level
mark. Refit the cap, turning it clockwise as far
as it will go until it is secure.


Weekly checks

0•13

Screen washer fluid level
Screenwash additives not only keep the
winscreen clean during foul weather, they also
prevent the washer system freezing in cold

weather - which is when you are likely to need
it most. Don’t top up using plain water as the
screenwash will become too diluted, and will

freeze during cold weather. On no account use
engine antifreeze in the washer system - this
could discolour or damage paintwork.

1

2

On models with only the filler tube fitted,
a dipstick is fitted to show the quantity of
fluid left in the reservoir

3

1

The “MAX” and “MIN” marks are
indicated on the side of the reservoir. The
fluid level must be kept between the marks.
Disconnect the wiring plug (arrowed) before
removing the cap.

2

If topping-up is necessary, first wipe the
area around the filler cap with a clean rag
before removing the cap.

3

4

Some models have a visible reservoir,
whilst others have only the filler nozzle
(arrowed) showing. Either way, the location is
in the same place.

Top-up the washer reservoir using a
propietary screen wash.

Brake fluid level
Warning:Brake hydraulic fluid

can harm your eyes and
damage painted surfaces, so
use extreme caution when
handling and pouring it.
l Do not use fluid that has been
standing open for some time, as it
absorbs moisture from the air
which can cause a dangerous loss
of braking effectiveness.
• Make sure that your car is
on level ground.
• The fluid level in the
master cylinder reservoir will
drop slightly as the brake pads wear
down, but the fluid level must never be
allowed to drop below the ‘MIN’ mark.

Safety first
l If the reservoir requires repeated toppingup this is an indication of a fluid leak
somewhere in the system, which should be
investigated immediately.
l If a leak is suspected, the car should not be
driven until the braking system has been
checked. Never take any risks where brakes
are concerned.
l On ABS models, switch the ignition off and
pump the brake pedal at least 20 times or until
the pedal feels hard. Open the bonnet. Switch
on the ignition: the hydraulic unit pump will be
heard running. Wait until the pump stops, then

switch off the ignition.

When adding fluid, it’s a good idea to
inspect the reservoir. The system should
be drained and refilled if dirt is seen in the fluid
(see Chapter 9 for details).

Carefully add fluid avoiding spilling it on
surrounding paintwork. Use only the
specified hydraulic fluid; mixing different types
of fluid can cause damage to the system. After
filling to the correct level, refit the cap
securely, to prevent leaks and the entry of
foreign matter. Wipe off any spilt fluid.


0•14

Weekly checks

Power steering fluid level
Before you start:

Safety First:

4 Park the vehicle on level ground.

For the check to be accurate
the steering must not be
turned once the engine has

been stopped.

4 Set the steering wheel pointing straightahead.
4 The system should be at operating
temperature and the engine should be
turned off.

1

The power steering fluid reservoir is
located next to the coolant expansion
tank. Clean around the filler cap and then
remove it should topping up be required.

2

The fluid level should be up to the
“MAX” or upper “HOT” mark

Electrical system
4 Check all external lights and the horn. Refer
to the appropriate Sections of Chapter 13 for
details if any of the circuits are found to be
inoperative.

4 Visually check all wiring connectors,
harnesses and retaining clips for security, and
for signs of chafing or damage.

1

2

If a single indicator light, brake light or
headlight has failed it is likely that a bulb
has blown and will need to be replaced. Refer
to Chapter 12 for details.
If both brake lights have failed, it is possible
that the brake light switch above the brake
pedal needs adjusting. This simple operation
is described in Chapter 9.

If more than one indicator light or
headlight has failed it is likely that either a
fuse has blown or that there is a fault in the
circuit (refer to “Electrical fault-finding” in
Chapter 13).
The fuses are mounted in a box in the engine
compartment on the right-hand side of the
bulkhead. Remove the loose cover (and spring
clip if fitted), pulling the plastic clip, and
removing the plastic cover.

l The need for frequent topping-up indicates
a leak, which should be investigated
immediately.

3

Top-up if necessary with clean fluid of

the specified type If the level is checked
cold, use the “MIN” or “FULL COLD” mark.
Recheck the level at operating temperature.

If you need to check your
brake lights and indicators
unaided, back up to a wall
or garage door and operate
the lights. The reflected light should
show if they are working properly.

3

To replace a blown fuse, simply pull it out.
Fit a new fuse of the same rating,
available from car accessory shops.
It is important that you find the reason that the
fuse blew - a checking procedure is given in
Chapter 13.


Weekly checks

0•15

Battery
Caution: Before carrying out any work on the
vehicle battery, read the precautions given in
“Safety first” at the start of this manual.
4 Make sure that the battery tray is in good

condition, and that the clamp is tight.
Corrosion on the tray, retaining clamp and the
battery itself can be removed with a solution
of water and baking soda. Thoroughly rinse all
cleaned areas with water. Any metal parts
damaged by corrosion should be covered with
a zinc-based primer, then painted.
4 Periodically (approximately every three
months), check the charge condition of the
battery as described in Chapter 5A.
4 If the battery is flat, and you need to jump
start your vehicle, see “Roadside Repairs”.

Battery corrosion can be kept to a
minimum by applying a layer of
petroleum jelly to the clamps and
terminals after they are reconnected.

1

The battery is located on the left-hand
side of the engine compartment. The
exterior of the battery should be inspected
periodically for damage such as a cracked
case or cover.

Check the tightness of battery clamps (A)
to ensure good electrical connections.
You should not be able to move them. Also
check each cable (B) for cracks and frayed

conductors.

3

4

If corrosion (white, fluffy deposits) is
evident, remove the cables from the
battery terminals, clean them with a small wire
brush, then refit them. Accessory stores sell a
useful tool for cleaning the battery post ...

2

... as well as the battery cable clamps

Wiper blades

1

Check the condition of the wiper blades;
if they are cracked or show any signs of
deterioration, or if the glass swept area is
smeared, renew them. For maximum clarity of
vision, wiper blades should be renewed
annually, as a matter of course.

2

To remove a wiper blade, pull the arm

fully away from the glass until it locks.
Swivel the blade through 90°, press the
locking tab(s) with your fingers, and slide the
blade out of the arm's hooked end. On
refitting, ensure that the blade locks securely
into the arm.


0•16

Weekly checks

Tyre condition and pressure
It is very important that tyres are in good
condition, and at the correct pressure - having
a tyre failure at any speed is highly dangerous.
Tyre wear is influenced by driving style - harsh
braking and acceleration, or fast cornering,
will all produce more rapid tyre wear. As a
general rule, the front tyres wear out faster
than the rears. Interchanging the tyres from
front to rear (“rotating” the tyres) may result in
more even wear. However, if this is completely
effective, you may have the expense of
replacing all four tyres at once!
Remove any nails or stones embedded in the
tread before they penetrate the tyre to cause
deflation. If removal of a nail does reveal that

the tyre has been punctured, refit the nail so

that its point of penetration is marked. Then
immediately change the wheel, and have the
tyre repaired by a tyre dealer.
Regularly check the tyres for damage in the
form of cuts or bulges, especially in the
sidewalls. Periodically remove the wheels, and
clean any dirt or mud from the inside and
outside surfaces. Examine the wheel rims for
signs of rusting, corrosion or other damage.
Light alloy wheels are easily damaged by
“kerbing” whilst parking; steel wheels may
also become dented or buckled. A new wheel
is very often the only way to overcome severe
damage.

New tyres should be balanced when they are
fitted, but it may become necessary to rebalance them as they wear, or if the balance
weights fitted to the wheel rim should fall off.
Unbalanced tyres will wear more quickly, as
will the steering and suspension components.
Wheel imbalance is normally signified by
vibration, particularly at a certain speed
(typically around 50 mph). If this vibration is
felt only through the steering, then it is likely
that just the front wheels need balancing. If,
however, the vibration is felt through the whole
car, the rear wheels could be out of balance.
Wheel balancing should be carried out by a
tyre dealer or garage.

Tread Depth - visual check

Tread Depth - manual check

Tyre Pressure Check

1

Alternatively tread wear can be monitored
with a simple, inexpensive device known
as a tread depth indicator gauge.

2

3

Check the tyre pressures regularly with
the tyres cold. Do not adjust the tyre
pressures immediately after the vehicle has
been used, or an inaccurate setting will result.
Tyre pressures are shown on the next page.

Shoulder Wear

Centre Wear

Uneven Wear

Under-inflation (wear on both sides)
Under-inflation will cause overheating of the

tyre, because the tyre will flex too much, and
the tread will not sit correctly on the road
surface. This will cause a loss of grip and
excessive wear, not to mention the danger of
sudden tyre failure due to heat build-up.
Check and adjust pressures
Incorrect wheel camber (wear on one side)
Repair or renew suspension parts
Hard cornering
Reduce speed!

Over-inflation
Over-inflation will cause rapid wear of the
centre part of the tyre tread, coupled with
reduced grip, harsher ride, and the danger of
shock damage occurring in the tyre casing.
Check and adjust pressures

Front tyres may wear unevenly as a result of
wheel misalignment. Most tyre dealers and
garages can check and adjust the wheel
alignment (or "tracking") for a modest charge.
Incorrect camber or castor
Repair or renew suspension parts
Malfunctioning suspension
Repair or renew suspension parts
Unbalanced wheel
Balance tyres
Incorrect toe setting
Adjust front wheel alignment

Note: The feathered edge of the tread which
typifies toe wear is best checked by feel.

The original tyres have tread wear safety
bands (B), which will appear when the
tread depth reaches approximately 1.6 mm.
The band positions are indicated by a
triangular mark on the tyre sidewall (A).

4 Tyre tread wear patterns

If you sometimes have to inflate your car’s
tyres to the higher pressures specified for
maximum load or sustained high speed, don’t
forget to reduce the pressures to normal
afterwards.


Weekly checks

0•17

Lubricants and fluids
Component or system

Lubricant type/specification

1 Engine
2 Manual gearbox
4-speed (A, B and C type)

5-speed (N type)
5-speed (MT75 type)
3 Automatic transmission
4 Final drive
5 Power steering
6 Brake hydraulic system
7 Cooling system:
SOHC engines
CVH engines
DOHC engine

Multigrade engine oil, viscosity range SAE 10W/30 to 20W/50, to API SG/CD or better
Gear oil, viscosity SAE 80EP, to Ford spec SQM-2C 9008-A
Gear oil, viscosity SAE 80EP, to Ford spec ESD-M2C 175-A
Gear oil to Ford spec ESD-M2C 186-A
ATF to Ford spec SQM-2C 9010-A
Hypoid gear oil, viscosity SAE 90EP to Ford spec SQM-2C 9002-AA or 9003-AA
ATF to Ford spec SQM-2C 9010-A
Brake fluid to Ford spec Amber SAM-1C 9103-A Fluid
Soft water and antifreeze to Ford spec SSM-97 B-9103-A
Soft water and antifreeze to Ford spec ESD-M97B49-A
Soft water and antifreeze to Ford spec SDM-M97B49-A

Note: From 1992, the cooling system on all models is filled with a long-life coolant mixture in production (“4-Year Longlife
Engine Coolant”/”Super Plus 40”). The manufacturers do not specify any renewal intervals for this later type of coolant as it is
intended to last the lifetime of the vehicle. Provided any topping-up is carried out with a similar coolant mixture of the correct
strength, coolant renewal is unnecessary. It is advisable to renew the coolant if the vehicle has covered a particularly high
mileage, or if the history of the car is uncertain, but this is up to the discretion of the individual owner.

CVH engines

SOHC and DOHC engines


0•18

Weekly checks

Tyre pressures
Note: Manufacturers often modify tyre sizes and pressure recommendations. The following is intended as a guide only. Refer to your vehicle
handbook or a Ford dealer for the latest recommendations

Tyre pressures (cold) - lbf/in2 (bar):
All Saloon, Hatchback and Estate models with normal load*
All Saloon and Hatchback models with full load . . . . .
Estate models with full load:
175 R 13H, 175 R 135,175 R 13T, 195/70 R 13H and
195/65 R 14T tyres . . . . . . . . . . . . . . . . . . . . . . . . .
195/60 R 14H and 195/60 VR 14 tyres . . . . . . . . . .
P100 models with light load . . . . . . . . . . . . . . . . . . . .
P100 models with full load . . . . . . . . . . . . . . . . . . . . .

Front
26 (1.8)
29 (2.0)

Rear
26 (1.8)
36 (2.5)

29
29
26
50

48
36
36
65

(2.0)
(2.0)
(1.8)
(3.5)

(2.8)
(2.5)
(2.5)
(4.5)

*Normal load is defined as up to three passengers (or equivalent). For sustained high speeds add 1.5 lbf/in2 (0.1 bar) for every 6 mph (10 km/h)
over 100 mph (160 km/h)
A light load is defined as one passenger plus up to 100 kg (220 lb) payload


1•1

Chapter 1
Routine maintenance and servicing
Contents

Air cleaner filter element renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Air cleaner inlet air temperature control check . . . . . . . . . . . . . . . . . .36
Air conditioner refrigerant charge check . . . . . . . . . . . . . . . . . . . . . .26
Automatic transmission brake band adjustment . . . . . . . . . . . . . . . .40
Automatic transmission fluid level check . . . . . . . . . . . . . . . . . . . . . .17
Automatic transmission selector lubrication . . . . . . . . . . . . . . . . . . .28
Auxiliary drivebelt check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Battery electrolyte level check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Battery terminal check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Brake fluid renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Brake system seal and hose renewal . . . . . . . . . . . . . . . . . . . . . . . . .43
Brake pipe and hose check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Camshaft drivebelt renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Crankcase ventilation system check . . . . . . . . . . . . . . . . . . . . . . . . .35
Crankcase ventilation vent valve renewal . . . . . . . . . . . . . . . . . . . . . .42
Driveshaft check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Electrical system check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Engine coolant renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Engine idle speed check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Engine oil and filter renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Engine valve clearance check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Exhaust system check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Final drive oil level check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Fluid leak check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Fluid level checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Ford Sierra maintenance schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Front and rear brake pad/shoe check . . . . . . . . . . . . . . . . . . . . . . . . .9
Fuel filter renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Handbrake check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Hinge and lock check and lubrication . . . . . . . . . . . . . . . . . . . . . . . .19
Idle speed linkage clean . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Ignition system component check . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Manual gearbox oil level check . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Mixture adjustment check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Oil filler cap check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Pulse air filter element renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Radiator matrix and air conditioner condenser clean . . . . . . . . . . . . .25
Road test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Roadwheel security check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Seat belt check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Spark plug renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Steering and suspension security check . . . . . . . . . . . . . . . . . . . . . .29
Tyre checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Underbody inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Wiper blade check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Degrees of difficulty
Easy, suitable for
novice with little
experience

Fairly easy, suitable
for beginner with
some experience

Fairly difficult,
suitable for competent
DIY mechanic

Difficult, suitable for
experienced DIY
mechanic

Specifications
Engine
Oil filter type:
SOHC and DOHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CVH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve clearances (cold):
SOHC:
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOHC and CVH:
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Champion C102
Champion C104

0.20 ± 0.03 mm (0.008 ± 0.001 in)
0.25 ± 0.03 mm (0.010 ± 0.001 in)
Not applicable (hydraulic cam followers)
Not applicable (hydraulic cam followers)

Very difficult,
suitable for expert
DIY or professional

1


1•2

Servicing specifications

Cooling system
Drivebelt tensions:
Air conditioning system compressor . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant pump/alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10.0 mm (0.4 in) deflection at the midpoint of the belt’s longest run
under firm thumb pressure
10.0 mm (0.4 in) deflection midway between coolant pump and
alternator (or power steering pump) pulleys under firm thumb pressure

Fuel system
Air filter element:
Carburettor type:
1.3 and 1.6 litre (SOHC - Ford carburettor) . . . . . . . . . . . . . . . . . .
1.6 litre (SOHC - Weber carburettor) and 1.8 litre SOHC . . . . . . . .
1.6 litre (SOHC - 1984-on) and 2.0 litre SOHC . . . . . . . . . . . . . . . .
1.8 litre CVH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.0 litre DOHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel injection type:
2.0 litre SOHC and DOHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6 and 1.8 litre (R6A type) CVH . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel filter:
All fuel injection models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Champion W110
Champion W118
Champion W152
Champion W219
Champion W152
Champion U507
Champion W219
Champion L204

Ignition system
Spark plugs:
Make and type:
All except 1.8 CVH, CVH (R6A), 2.0 DOHC and P100 . . . . . . . . . . . .
1.8 litre CVH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6 and 1.8 litre (R6A type) CVH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.0 litre DOHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrode gap*:
Champion F7YCC or RC7YCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Champion RF7YC, F7YC or RC7YC . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition HT leads
Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type:
All SOHC models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8 litre CVH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6 and 1.8 litre (R6A type) CVH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.0 litre DOHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
*The spark plug gap quoted is that recommended by Champion for their
fitted, refer to their manufacturer’s recommendations.

Champion RF7YCC or RF7YC
Champion RC7YCC or RC7YC
Champion RF7YC or F7YC
Champion RC7YCC
Champion RC7YCC
0.8 mm (0.032 in)
0.7 mm (0.028 in)
30 k ohms maximum per lead
Champion LS-09 or LS-10 boxed set
Champion LS-10 boxed set
Champion LS-30 boxed set
Champion LS-29 boxed set
specified plugs listed above. If spark plugs of any other type are to be

Brakes
Brake pad friction material minimum thickness . . . . . . . . . . . . . . . . . . .
Brake shoe friction material minimum thickness . . . . . . . . . . . . . . . . . .

1.5 mm (0.06 in)
1.0 mm (0.04 in)

Torque wrench settings

Nm

lbf ft

21 to 28
20 to 30

21 to 25

16 to 21
15 to 22
16 to 18

33 to 41
29 to 41

24 to 30
21 to 30

29 to 41
35 to 45

21 to 30
26 to 33

70 to 100
85 to 90

52 to 74
63 to 66

20 to 28
18 to 33
15 to 21

15 to 21
13 to 24

11 to 15

20 to 25
31 to 35

15 to 18
23 to 26

Engine oil drain plug:
SOHC and DOHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CVH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine block coolant drain plug (where fitted) . . . . . . . . . . . . . . . . . . . .
Manual gearbox:
Oil filler/level plug:
A,B,C and N types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MT75 type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil drain plug:
MT75 type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Final drive oil filler plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roadwheel nuts:
Saloon, Hatchback and Estate models (steel and alloy wheels) . . . .
P100 models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spark plugs:
SOHC models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CVH models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOHC models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake caliper guide bolts:
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Servicing specifications

1•3

Capacities
Engine oil
SOHC engines:
With filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Without filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOHC engine:
With filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Without filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6 litre CVH engine:
With filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Without filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8 CVH engines:
With filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Without filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.75 litres (6.6 pints)
3.25 litres (5.7 pints)
4.5 litres (7.9 pints)
4.0 litres (7.0 pints)
3.5 litres (6.2 pints)
3.25 litres (5.7 pints)
4.0 litres (7.0 pints)
3.5 litres (6.2 pints)

Cooling system (including heater)

SOHC engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOHC engine:
Carburettor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel injection models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CVH engines:
1.6 and 1.8 litre (R2A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8 litre (R6A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.0 litres (14.1 pints)
7.0 litres (12.3 pints)
7.3 litres (12.8 pints)
9.5 litres (16.7 pints)
7.9 litres (13.9 pints)

Fuel tank
All models except P100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P100 models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

60.0 litres (13.2 gals)
66.0 litres (14.5 gals)

1

Manual gearbox
A1 and A2 types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N type up to 1987 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N type from 1987 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MT75 type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0.98 litre (1.72 pints)
1.46 litres (2.57 pints)
1.25 litres (2.20 pints)
1.90 litres (3.34 pints)
1.25 litres (2.20 pints)
1.2 litres (2.1 pints)

Automatic transmission
C3 type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A4LD type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.3 litres (11.1 pints)
8.5 litres (15.0 pints)

Final drive (from dry)
All models except 1.3 and 1.6 litre Hatchback and P100 . . . . . . . . . . .
1.3 and 1.6 litre Hatchback models . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P100 models (rear axle) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0.9 litre (1.6 pints)
0.8 litre (1.4 pints)
1.14 litres (2.0 pints)

Power steering
All models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0.65 litre (1.14 pints)

1 Ford Sierra maintenance schedule

The maintenance intervals in this manual
are provided with the assumption that you will
be carrying out the work yourself. These are
the
minimum
maintenance
intervals
recommended by the manufacturer for
vehicles driven daily. If you wish to keep your
vehicle in peak condition at all times, you may

wish to perform some of these procedures
more often. We encourage frequent
maintenance, because it enhances the
efficiency, performance and resale value of
your vehicle.
If the vehicle is driven in dusty areas, used
to tow a trailer, or driven frequently at slow

speeds (idling in traffic) or on short journeys,
more frequent maintenance intervals are
recommended.
When the vehicle is new, it should be
serviced by a factory-authorised dealer
service department, in order to preserve the
factory warranty.


1•4

Maintenance schedule

Every 250 miles (400 km) or weekly
Ⅵ
Ⅵ
Ⅵ
Ⅵ
Ⅵ
Ⅵ

Check the engine oil level (Section 3)
Check the engine coolant level (Section 3)
Check the brake fluid level (Section 3)
Check the power steering fluid level (Section 3)
Check the screen washer fluid level (Section 3)
Visually examine the tyres for tread depth, and wear
or damage (Section 4)
Ⅵ Check and if necessary adjust the tyre pressures
(Section 4)
Ⅵ Check and if necessary top-up the battery electrolyte
level - where applicable (Section 6)
Ⅵ Check the operation of the horn, all lights, and the
wipers and washers (Sections 5 and 7)

Every 6000 miles (10 000 km) or
6 months - whichever comes sooner
Ⅵ Renew engine oil and filter (Section 8)
Ⅵ Check brake pads or shoes for wear (front and rear)
(Section 9)
Ⅵ Check operation of brake fluid level warning indicator

(Section 9)
Ⅵ Inspect engine bay and underside of vehicle for fluid
leaks or other signs of damage (Section 10)
Ⅵ Check function and condition of seat belts
(Section 11)
Ⅵ Check condition and security of exhaust system
(Section 12)
Ⅵ Check tightness of wheel nuts (Section 13)
Ⅵ Clean oil filler cap (Section 14)
Ⅵ Check idle speed (where applicable) (Section 15)
Ⅵ Check mixture adjustment (where applicable)
(Section 16)

Every 12 000 miles (20 000 km) or
12 months - whichever comes sooner
Ⅵ Check automatic transmission fluid level (engine hot)
(Section 17)
Ⅵ Check manual gearbox oil level (Section 18)
Ⅵ Check operation of latches, check straps and locks;
lubricate if necessary (Section 19)
Ⅵ Renew spark plugs (Section 20)
Ⅵ Check condition and tension of auxiliary drivebelt(s);
adjust or renew as necessary (Section 21)
Ⅵ Check tightness of battery terminals, clean and
neutralise corrosion if necessary (Section 22)
Ⅵ Check engine valve clearances - SOHC only
(Section 23)
Ⅵ Check handbrake mechanism (Section 24)

Every 12 000 miles (20 000 km) or

12 months - whichever comes sooner
(continued)
Ⅵ Clean radiator matrix and air conditioning condenser
fins (where applicable) (Section 25)
Ⅵ Check air conditioning refrigerant charge (where
applicable) (Section 26)
Ⅵ Check final drive oil level (Section 27)
Ⅵ Lubricate automatic transmission selector/kickdown
linkage (Section 28)
Ⅵ Check security and condition of steering and
suspension components, gaiters and boots
(Section 29)
Ⅵ Check condition and security of driveshaft joints and
gaiters (Section 30)
Ⅵ Inspect underbody and panels for corrosion or other
damage (Section 31)
Ⅵ Inspect brake pipes and hoses (Section 32)
Ⅵ Clean idle speed control linkage at throttle (where
applicable) (Section 33)
Ⅵ Road test and check operation of ABS (Section 34)
Ⅵ Check crankcase ventilation system (Section 35)

Every 24 000 miles (40 000 km) or
2 years - whichever comes sooner
Ⅵ Check air cleaner inlet air temperature control
operation (carburettor models) (Section 36)
Ⅵ Renew pulse air filter element (1.6 litre CVH)
(Section 37)
Ⅵ Renew air cleaner element (Section 38)
Ⅵ Clean and inspect distributor cap and HT leads

(Section 39)
Ⅵ Check automatic transmission brake band
adjustment (Section 40)
Ⅵ Renew fuel filter (fuel-injection models only)
(Section 41)
Ⅵ Renew crankcase ventilation vent valve (SOHC and
DOHC) (Section 42)

Every 36 000 miles (60 000 km) or
3 years - whichever comes sooner
Ⅵ Renew brake hydraulic system seals and hoses if
necessary (Section 43)
Ⅵ Renew brake hydraulic fluid (Section 44)
Ⅵ Renew camshaft drivebelt (optional on SOHC
models - compulsory on CVH) (Section 45)
Ⅵ Renew coolant (Section 46)


Maintenance - component location

1•5

Underbonnet view of a 1983 2.0 litre SOHC
carburettor model (air cleaner removed)
1 Brake fluid reservoir
2 Windscreen wiper motor
3 Battery
4 Ignition coil
5 Carburettor
6 Distributor

7 Fuel pressure regulator
8 Thermostat housing
9 Radiator top hose
10 Upper fan shroud
11 Alternator
12 Windscreen washer reservoir
13 Oil filler cap
14 Cooler expansion tank
15 Suspension strut top
16 VIN plate
17 Fusebox

1

Underbonnet view of a 1985 2.0 litre SOHC
fuel injection model
1 Battery
2 Brake servo non-return valve
3 Ignition coil
4 Suspension strut top
5 Fuel filter
6 Air cleaner
7 Airflow meter
8 Fuel pressure regulator
9 Air inlet hose
10 Throttle body
11 Alternator
12 VIN plate
13 Windscreen washer reservoir
14 Coolant expansion tank

15 Oil filler cap
16 Idle speed control valve
17 Inlet manifold
18 Brake fluid reservoir
19 Fusebox
20 Windscreen wiper motor
21 Engine oil level dipstick


1•6

Maintenance - component location
Underbonnet view of a 1990 2.0 litre DOHC
fuel injection model
1 Battery
2 Braking system deceleration-sensitive valve
3 Ignition coil
4 Suspension strut top
5 Air cleaner
6 Plenum chamber
7 Idle speed control valve
8 Distributor
9 Oil filler cap
10 VIN plate
11 Windscreen washer reservoir filler neck
12 Power steering fluid reservoir
13 Coolant expansion tank
14 Manifold absolute pressure (MAP) sensor
15 Brake fluid reservoir
16 Inlet manifold

17 Fuel pressure regulator
18 Fusebox
19 Windscreen wiper motor

Underbonnet view of a 1989 1.8 litre (R2A)
CVH model (air cleaner removed)
1 Battery
2 Suspension strut top
3 Ignition coil
4 Coolant expansion tank
5 Alternator
6 Distributor cap shroud
7 VIN plate
8 Electric cooling fan
9 Radiator top hose
10 Windscreen washer reservoir
11 Fuel vapour separator
12 Thermostat housing
13 Oil filler cap
14 Carburettor
15 Brake fluid reservoir
16 Engine oil level dipstick
17 Windscreen wiper motor
18 Fusebox


Maintenance - component location

1•7

Underbonnet view of a 1992 1.6 litre
CVH model (air cleaner removed)
1 Battery
2 Braking system deceleration-sensitive
valve
3 Suspension strut top
4 Coolant expansion tank
5 Pulse-air filter
6 Vacuum-operated air valve
7 Alternator
8 Cooling fans
9 Oil filler cap
10 Thermostat housing
11 VIN plate
12 Windscreen washer reservoir filler neck
13 Ignition module
14 Pulse-air control solenoid
15 CFI unit
16 Brake fluid reservoir
17 Engine oil level dipstick
18 Manifold absolute pressure (MAP)
Sensor
19 Fusebox
20 Windscreen wiper motor

1

Front underside view of a 1990
2.0 GLS model
1 Horns

2 Tie-rod end
3 Tie-rod
4 Gaiter
5 Coolant pump
6 Suspension lower arm
7 Anti-roll bar
8 Starter motor
9 Exhaust downpipes
10 Crossmember
11 Engine sump
12 Oil filter
13 Power steering fluid pump
14 Windscreen washer reservoir
15 Cooling fans