Ford Mondeo Service and Repair Manual
←
→
Page content transcription
If your browser does not render page correctly, please read the page content below
Ford Mondeo
Service and Repair Manual
Jeremy Churchill and A K Legg LAE MIMI
(1923-304-10X3)
Models covered
All Ford Mondeo models with four-cylinder petrol engines,
including special/limited editions
1597 cc, 1796 cc and 1988 cc
Does not cover Diesel or V6 engines, or four-wheel-drive models
© Haynes Publishing 1996 Printed by J H Haynes & Co. Ltd, Sparkford, Nr Yeovil,
Somerset BA22 7JJ
A book in the Haynes Service and Repair Manual Series
All rights reserved. No part of this book may be reproduced or transmitted Haynes Publishing
in any form or by any means, electronic or mechanical, including Sparkford, Nr Yeovil, Somerset BA22 7JJ, England
photocopying, recording or by any information storage or retrieval system,
without permission in writing from the copyright holder. Haynes North America, Inc
861 Lawrence Drive, Newbury Park, California 91320, USA
ISBN 1 85960 167 7
British Library Cataloguing in Publication Data Editions Haynes S.A.
A catalogue record for this book is available from the British Library. 147/149, rue Saint Honoré, 75001 PARIS, FranceContents
LIVING WITH YOUR FORD MONDEO
Introduction Page 0•4
Safety First! Page 0•5
General dimensions and weights Page 0•6
MOT Test Checks
Checks carried out from the driver’s seat Page 0•7
Checks carried out with the vehicle on the ground Page 0•8
Checks carried out with the vehicle raised Page 0•9
Checks carried out on your vehicle’s exhaust emission system Page 0•10
Roadside Repairs
Jacking, towing and wheel changing Page 0•11
Booster battery (jump) starting Page 0•12
Identifying leaks Page 0•13
Conversion factors Page 0•14
Routine Maintenance
Routine maintenance and servicing Page 1•1
Lubricants, fluids and capacities Page 1•2
Maintenance schedule Page 1•3
Weekly checks Page 1•6
Every 10 000 miles or 12 months Page 1•11
Every 20 000 miles or 2 years Page 1•20
Every 30 000 miles or 3 years Page 1•22
Every 60 000 miles Page 1•26
Every 3 years Page 1•26Contents REPAIRS & OVERHAUL Engine and Associated Systems In-car engine repair procedures Page 2A•1 Engine removal and general engine overhaul procedures Page 2B•1 Cooling, heating and air conditioning systems Page 3•1 Fuel and exhaust systems Page 4•1 Engine electrical systems Page 5•1 Emissions control systems Page 6•1 Transmission Manual transmission Page 7A•1 Automatic transmission Page 7B•1 Clutch and driveshafts Page 8•1 Brakes Braking system Page 9•1 Suspension Suspension and steering systems Page 10•1 Body Equipment Bodywork and fittings Page 11•1 Electrical Body electrical systems Page 12•1 Wiring Diagrams Page 12•24 REFERENCE Tools and Working Facilities Page REF• 1 General Repair Procedures Page REF• 4 Buying spare parts and vehicle identification numbers Page REF• 5 Fault Finding Page REF• 6 Glossary of Technical Terms Page REF•13 Index Page REF•17
0•4 Introduction
Introduction to the Ford Mondeo
Introduced in March 1993, the Ford belt grabbers” and pre-tensioners, and an capacities. It is controlled by a sophisticated
Mondeo models are available in four-door airbag fitted to the steering wheel. Vehicle engine management system, which combines
Saloon, five-door Hatchback and five-door security is enhanced, with an in-built alarm multi-point sequential fuel injection and
Estate configurations. All feature a high system and engine immobiliser being fitted as distributorless ignition systems with
standard of equipment, with driver/passenger standard, as well as double-locking doors evaporative emissions control, exhaust gas
safety in accidents being a particularly high with shielded locks, and security-coded audio recirculation and a three-way regulated
design priority; all models are fitted with equipment. catalytic converter (with a pulse-air system for
features such as side impact bars in all doors, The four-cylinder petrol engine is a new rapid warm-up) to ensure that the vehicle
“anti-submarine” seats combined with “seat design, available in 1.6, 1.8 and 2.0 litre complies with the most stringent of the
emissions control standards currently in force,
and yet provides the levels of performance
and fuel economy expected.
The transversely-mounted engine drives
the front roadwheels through either a five-
speed manual transmission with a cable-
operated clutch, or through an electronically-
controlled four-speed automatic transmission.
The fully-independent suspension is by
MacPherson strut on all four roadwheels,
located by transverse lower arms at the front,
and by transverse and trailing arms at the rear;
anti-roll bars are fitted at front and rear. The
Estate rear suspension is of a different design,
to give maximum loadspace inside the
vehicle, with self-levelling suspension units
available as an option. On some models, the
suspension is electronically-controlled
through the Adaptive Damping System.
The steering is power-assisted, the pump
being belt-driven from the engine, and the
rack-and-pinion steering gear mounted
behind the engine.
The vacuum servo-assisted brakes are disc
Ford Mondeo 2.0 Ghia Saloon at the front, with drums at the rear on most
models; disc rear brakes and an
electronically-controlled Anti-lock Braking
System (ABS) are available on some models,
with a Traction Control System (TCS) available
as a further option where ABS is fitted.
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.
Project vehicles
The main project vehicle used in the
preparation of this manual, and appearing in
many of the photographic sequences, was a
1993-model Ford Mondeo 2.0 Si Hatchback.
Additional work was carried out and
photographed on a 1993-model 2.0 Si Saloon
and a 1993-model 2.0 Ghia Estate (with
automatic transmission).
Ford Mondeo 1.8 GLX EstateSafety First! 0•5
Working on your car can be dangerous. • Mains voltage is also dangerous. Make
This page shows just some of the potential sure that any mains-operated equipment is
Special hazards
risks and hazards, with the aim of creating a correctly earthed. Mains power points should Hydrofluoric acid
safety-conscious attitude. be protected by a residual current device
• This extremely corrosive acid is formed
(RCD) circuit breaker.
General hazards when certain types of synthetic rubber, found
in some O-rings, oil seals, fuel hoses etc, are
Fume or gas intoxication
Scalding exposed to temperatures above 4000C. The
• Exhaust fumes are
• Don’t remove the radiator or expansion rubber changes into a charred or sticky
poisonous; they often
tank cap while the engine is hot. substance containing the acid. Once formed,
contain carbon
• Engine oil, automatic transmission fluid or the acid remains dangerous for years. If it
monoxide, which is
power steering fluid may also be dangerously gets onto the skin, it may be necessary to
rapidly fatal if inhaled.
hot if the engine has recently been running. amputate the limb concerned.
Never run the
• When dealing with a vehicle which has
Burning engine in a
suffered a fire, or with components salvaged
confined space
• Beware of burns from the exhaust system from such a vehicle, wear protective gloves
such as a garage
and from any part of the engine. Brake discs and discard them after use.
with the doors shut.
and drums can also be extremely hot • Fuel vapour is also The battery
immediately after use. poisonous, as are the vapours from some
• Batteries contain sulphuric acid, which
Crushing cleaning solvents and paint thinners.
attacks clothing, eyes and skin. Take care
• When working under or near Poisonous or irritant substances when topping-up or carrying the battery.
a raised vehicle, always • The hydrogen gas given off by the battery
• Avoid skin contact with battery acid and
supplement the is highly explosive. Never cause a spark or
with any fuel, fluid or lubricant, especially
jack with axle allow a naked light nearby. Be careful when
antifreeze, brake hydraulic fluid and Diesel
stands, or use connecting and disconnecting battery
fuel. Don’t syphon them by mouth. If such a
drive-on ramps. chargers or jump leads.
substance is swallowed or gets into the eyes,
Never venture seek medical advice. Air bags
under a car • Prolonged contact with used engine oil can
which is only • Air bags can cause injury if they go off
cause skin cancer. Wear gloves or use a
supported by accidentally. Take care when removing the
barrier cream if necessary. Change out of oil-
a jack. steering wheel and/or facia. Special storage
soaked clothes and do not keep oily rags in
• Take care if loosening or tightening high- instructions may apply.
your pocket.
torque nuts when the vehicle is on stands. • Air conditioning refrigerant forms a Diesel injection equipment
Initial loosening and final tightening should poisonous gas if exposed to a naked flame
be done with the wheels on the ground. • Diesel injection pumps supply fuel at very
(including a cigarette). It can also cause skin
high pressure. Take care when working on
Fire burns on contact.
the fuel injectors and fuel pipes.
• Fuel is highly flammable; fuel vapour is Asbestos
explosive. • Asbestos dust can cause cancer if inhaled Warning: Never expose the
• Don’t let fuel spill onto a hot engine. or swallowed. Asbestos may be found in hands, face or any other part of
• Do not smoke or allow naked lights gaskets and in brake and clutch linings. the body to injector spray; the
(including pilot lights) anywhere near a When dealing with such components it is fuel can penetrate the skin with
vehicle being worked on. Also beware of safest to assume that they contain asbestos. potentially fatal results.
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.
Remember... A few tips
• Another cause of fire is an electrical DO DON’T
overload or short-circuit. Take care when • Do use eye protection when using power • Don’t attempt to lift a heavy component
repairing or modifying the vehicle wiring. tools, and when working under the vehicle. which may be beyond your capability – get
• Keep a fire extinguisher handy, of a type assistance.
suitable for use on fuel and electrical fires. • Do wear gloves or use barrier cream to
protect your hands when necessary. • Don’t rush to finish a job, or take
Electric shock unverified short cuts.
• Do get someone to check periodically
• Ignition HT that all is well when working alone on the • Don’t use ill-fitting tools which may slip
voltage can be vehicle. and cause injury.
dangerous,
• Do keep loose clothing and long hair well • Don’t leave tools or parts lying around
especially to
out of the way of moving mechanical parts. where someone can trip over them. Mop
people with
up oil and fuel spills at once.
heart problems • Do remove rings, wristwatch etc, before
or a pacemaker. working on the vehicle – especially the • Don’t allow children or pets to play in or
Don’t work on or electrical system. near a vehicle being worked on.
near the ignition
• Do ensure that any lifting or jacking
system with the
equipment has a safe working load rating
engine running or the
adequate for the job.
ignition switched on.0•6 General Dimensions & Weights
Dimensions
Overall length:
Saloon, Hatchback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4481 mm
Estate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4631 mm
Overall width - including mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1925 mm
Overall height - at kerb weight:
Saloon, Hatchback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1403 to 1435 mm
Estate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1416 to 1501 mm
Wheelbase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2704 mm
Front track - all models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1503 mm
Rear track:
Saloon, Hatchback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1486 to 1487 mm
Estate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1504 mm
Turning circle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.9 m
Weights
Kerb weight:
1.6 Saloon, Hatchback models . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1215 to 1250 kg
1.6 Estate models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1265 to 1275 kg
1.8 Saloon, Hatchback models:
Manual transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1225 to 1260 kg
Automatic transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1260 to 1280 kg
1.8 Estate models:
Manual transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1275 to 1285 kg
Automatic transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1305 kg
2.0 Saloon, Hatchback models:
Manual transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250 to 1310 kg
Automatic transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1285 to 1340 kg
2.0 Estate models:
Manual transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1295 to 1335 kg
Automatic transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1330 to 1415 kg
Maximum gross vehicle weight:
Saloon, Hatchback:
1.6 models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1725 kg
1.8 Saloon models, automatic transmission . . . . . . . . . . . . . . . . . 1750 kg
2.0 models, automatic transmission . . . . . . . . . . . . . . . . . . . . . . . 1800 kg
All others . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1775 kg
Estate:
1.6 models, 2.0 models with manual transmission . . . . . . . . . . . . 1900 kg
All others . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1925 kg
Maximum roof rack load:
Estate models with integral roof rack . . . . . . . . . . . . . . . . . . . . . . . . 100 kg
All others . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 kg
Maximum towing weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1500 kg
Trailer nose weight limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 kgMOT Test Checks 0•7
This is a guide to getting your vehicle through the MOT test.
Obviously it will not be possible to examine the vehicle to the same
standard as the professional MOT tester. However, working through
the following checks will enable you to identify any problem areas
before submitting the vehicle for the test.
Where a testable component is in borderline condition, the tester
has discretion in deciding whether to pass or fail it. The basis of such
discretion is whether the tester would be happy for a close relative or
friend to use the vehicle with the component in that condition. If the
vehicle presented is clean and evidently well cared for, the tester may
be more inclined to pass a borderline component than if the vehicle is
scruffy and apparently neglected.
It has only been possible to summarise the test requirements here,
based on the regulations in force at the time of printing. Test standards
are becoming increasingly stringent, although there are some
exemptions for older vehicles. For full details obtain a copy of the Haynes
publication Pass the MOT! (available from stockists of Haynes manuals).
An assistant will be needed to help carry out some of these checks.
The checks have been sub-divided into four categories, as follows:
1 Checks carried out
FROM THE DRIVER’S
2 Checks carried out
WITH THE VEHICLE
3 Checks carried out
WITH THE VEHICLE
4 Checks carried out on
YOUR VEHICLE’S
SEAT ON THE GROUND RAISED AND THE EXHAUST EMISSION
WHEELS FREE TO SYSTEM
TURN
1 Checks carried out
FROM THE DRIVER’S SEAT
Handbrake
M Test the operation of the handbrake.
Excessive travel (too many clicks) indicates
incorrect brake or cable adjustment.
M Check that the handbrake cannot be
released by tapping the lever sideways. Check
the security of the lever mountings.
M Check that the brake pedal is secure and in movement of the steering wheel, indicating
good condition. Check also for signs of fluid wear in the column support bearings or
leaks on the pedal, floor or carpets, which couplings.
would indicate failed seals in the brake master
cylinder. Windscreen and mirrors
M Check the servo unit (when applicable) by
M The windscreen must be free of cracks or
operating the brake pedal several times, then
other significant damage within the driver’s
keeping the pedal depressed and starting the
field of view. (Small stone chips are
engine. As the engine starts, the pedal will
acceptable.) Rear view mirrors must be
move down slightly. If not, the vacuum hose or
secure, intact, and capable of being adjusted.
the servo itself may be faulty.
Steering wheel and column
Footbrake
M Examine the steering wheel for fractures or
M Depress the brake pedal and check that it looseness of the hub, spokes or rim.
does not creep down to the floor, indicating a M Move the steering wheel from side to side
master cylinder fault. Release the pedal, wait and then up and down. Check that the
a few seconds, then depress it again. If the steering wheel is not loose on the column,
pedal travels nearly to the floor before firm indicating wear or a loose retaining nut.
resistance is felt, brake adjustment or repair is Continue moving the steering wheel as before,
necessary. If the pedal feels spongy, there is but also turn it slightly from left to right.
air in the hydraulic system which must be M Check that the steering wheel is not loose
removed by bleeding. on the column, and that there is no abnormal0•8 MOT Test Checks
Electrical equipment M Inspect both front brake flexible hoses for
cracks or deterioration of the rubber. Turn the
M Switch on the ignition and check the
steering from lock to lock, and ensure that the
operation of the horn.
hoses do not contact the wheel, tyre, or any
M Check the windscreen washers and wipers,
part of the steering or suspension mechanism.
examining the wiper blades; renew damaged
With the brake pedal firmly depressed, check
or perished blades. Also check the operation
the hoses for bulges or leaks under pressure.
of the stop-lights.
Seat belts and seats
Note: The following checks are applicable to
all seat belts, front and rear.
M Examine the webbing of all the belts
(including rear belts if fitted) for cuts, serious
fraying or deterioration. Fasten and unfasten
each belt to check the buckles. If applicable,
check the retracting mechanism. Check the
security of all seat belt mountings accessible M Check the operation of the sidelights and
from inside the vehicle. number plate lights. The lenses and reflectors Steering and suspension
M The front seats themselves must be must be secure, clean and undamaged.
M Have your assistant turn the steering wheel
securely attached and the backrests must M Check the operation and alignment of the
lock in the upright position. from side to side slightly, up to the point where
headlights. The headlight reflectors must not
the steering gear just begins to transmit this
be tarnished and the lenses must be
Doors movement to the roadwheels. Check for
undamaged.
M Both front doors must be able to be opened excessive free play between the steering
M Switch on the ignition and check the
and closed from outside and inside, and must wheel and the steering gear, indicating wear or
operation of the direction indicators (including
latch securely when closed. insecurity of the steering column joints, the
the instrument panel tell-tale) and the hazard
column-to-steering gear coupling, or the
warning lights. Operation of the sidelights and
steering gear itself.
stop-lights must not affect the indicators - if it
2 Checks carried out
WITH THE VEHICLE ON THE
does, the cause is usually a bad earth at the
rear light cluster.
M Have your assistant turn the steering wheel
more vigorously in each direction, so that the
roadwheels just begin to turn. As this is done,
M Check the operation of the rear foglight(s),
GROUND examine all the steering joints, linkages,
including the warning light on the instrument
fittings and attachments. Renew any
panel or in the switch.
Vehicle identification component that shows signs of wear or
Footbrake damage. On vehicles with power steering,
M Number plates must be in good condition, check the security and condition of the
secure and legible, with letters and numbers M Examine the master cylinder, brake pipes
steering pump, drivebelt and hoses.
correctly spaced – spacing at (A) should be and servo unit for leaks, loose mountings,
M Check that the vehicle is standing level,
twice that at (B). corrosion or other damage.
and at approximately the correct ride height.
Shock absorbers
M Depress each corner of the vehicle in turn,
then release it. The vehicle should rise and
then settle in its normal position. If the vehicle
continues to rise and fall, the shock absorber
is defective. A shock absorber which has
seized will also cause the vehicle to fail.
M The fluid reservoir must be secure and the
M The VIN plate (A) and homologation plate fluid level must be between the upper (A) and
(B) must be legible. lower (B) markings.MOT Test Checks 0•9
Exhaust system Front and rear suspension and M The same general checks apply to vehicles
M Start the engine. With your assistant wheel bearings fitted with other suspension types, such as
torsion bars, hydraulic displacer units, etc.
holding a rag over the tailpipe, check the M Starting at the front right-hand side, grasp
Ensure that all mountings and attachments are
entire system for leaks. Repair or renew the roadwheel at the 3 o’clock and 9 o’clock
secure, that there are no signs of excessive
leaking sections. positions and shake it vigorously. Check for
wear, corrosion or damage, and (on hydraulic
free play or insecurity at the wheel bearings,
types) that there are no fluid leaks or damaged
suspension balljoints, or suspension mount-
pipes.
ings, pivots and attachments.
M Inspect the shock absorbers for signs of
M Now grasp the wheel at the 12 o’clock and
serious fluid leakage. Check for wear of the
6 o’clock positions and repeat the previous
mounting bushes or attachments, or damage
inspection. Spin the wheel, and check for
to the body of the unit.
roughness or tightness of the front wheel
bearing. Driveshafts
(fwd vehicles only)
M Rotate each front wheel in turn and inspect
the constant velocity joint gaiters for splits or
damage. Also check that each driveshaft is
straight and undamaged.
3 Checks carried out
WITH THE VEHICLE RAISED
AND THE WHEELS FREE TO
TURN
Jack up the front and rear of the vehicle,
M If excess free play is suspected at a
and securely support it on axle stands.
component pivot point, this can be confirmed
Position the stands clear of the suspension
by using a large screwdriver or similar tool and
assemblies. Ensure that the wheels are
levering between the mounting and the
clear of the ground and that the steering
component attachment. This will confirm
can be turned from lock to lock.
whether the wear is in the pivot bush, its Braking system
retaining bolt, or in the mounting itself (the bolt
Steering mechanism M If possible without dismantling, check
holes can often become elongated).
brake pad wear and disc condition. Ensure
M Have your assistant turn the steering from
that the friction lining material has not worn
lock to lock. Check that the steering turns
excessively, (A) and that the discs are not
smoothly, and that no part of the steering
fractured, pitted, scored or badly worn (B).
mechanism, including a wheel or tyre, fouls
any brake hose or pipe or any part of the body
structure.
M Examine the steering rack rubber gaiters
for damage or insecurity of the retaining clips.
If power steering is fitted, check for signs of
damage or leakage of the fluid hoses, pipes or
connections. Also check for excessive
stiffness or binding of the steering, a missing
split pin or locking device, or severe corrosion
of the body structure within 30 cm of any
steering component attachment point.
M Carry out all the above checks at the other
front wheel, and then at both rear wheels.
Springs and shock absorbers M Examine all the rigid brake pipes
M Examine the suspension struts (when underneath the vehicle, and the flexible
applicable) for serious fluid leakage, corrosion, hose(s) at the rear. Look for corrosion, chafing
or damage to the casing. Also check the or insecurity of the pipes, and for signs of
security of the mounting points. bulging under pressure, chafing, splits or
M If coil springs are fitted, check that the deterioration of the flexible hoses.
spring ends locate in their seats, and that the M Look for signs of fluid leaks at the brake
spring is not corroded, cracked or broken. calipers or on the brake backplates. Repair or
M If leaf springs are fitted, check that all renew leaking components.
leaves are intact, that the axle is securely M Slowly spin each wheel, while your
attached to each spring, and that there is no assistant depresses and releases the
deterioration of the spring eye mountings, footbrake. Ensure that each brake is operating
bushes, and shackles. and does not bind when the pedal is released.0•10 MOT Test Checks
for smoke emissions from the exhaust
tailpipe. If the idle speed is obviously much
too high, or if dense blue or clearly-visible
black smoke comes from the tailpipe for more
than 5 seconds, the vehicle will fail. As a rule
of thumb, blue smoke signifies oil being burnt
(engine wear) while black smoke signifies
unburnt fuel (dirty air cleaner element, or other
carburettor or fuel system fault).
M An exhaust gas analyser capable of
measuring carbon monoxide (CO) and
hydrocarbons (HC) is now needed. If such an
instrument cannot be hired or borrowed, a
M Examine the handbrake mechanism, properly seated, and that the wheel is not local garage may agree to perform the check
checking for frayed or broken cables, distorted or damaged. for a small fee.
excessive corrosion, or wear or insecurity of M Check that the tyres are of the correct size
the linkage. Check that the mechanism works for the vehicle, that they are of the same size CO emissions (mixture)
on each relevant wheel, and releases fully, and type on each axle, and that the pressures M At the time or writing, the maximum CO
without binding. are correct.
level at idle is 3.5% for vehicles first used after
M It is not possible to test brake efficiency M Check the tyre tread depth. The legal
August 1986 and 4.5% for older vehicles.
without special equipment, but a road test minimum at the time of writing is 1.6 mm over
From January 1996 a much tighter limit
can be carried out later to check that the at least three-quarters of the tread width.
vehicle pulls up in a straight line. (around 0.5%) applies to catalyst-equipped
Abnormal tread wear may indicate incorrect
vehicles first used from August 1992. If the
front wheel alignment.
Fuel and exhaust systems CO level cannot be reduced far enough to
M Inspect the fuel tank (including the filler Body corrosion pass the test (and the fuel and ignition
systems are otherwise in good condition) then
cap), fuel pipes, hoses and unions. All M Check the condition of the entire vehicle
components must be secure and free from structure for signs of corrosion in load- the carburettor is badly worn, or there is some
leaks. bearing areas. (These include chassis box problem in the fuel injection system or
M Examine the exhaust system over its entire sections, side sills, cross-members, pillars, catalytic converter (as applicable).
length, checking for any damaged, broken or and all suspension, steering, braking system
missing mountings, security of the retaining and seat belt mountings and anchorages.) HC emissions
clamps and rust or corrosion. Any corrosion which has seriously reduced M With the CO emissions within limits, HC
the thickness of a load-bearing area is likely to emissions must be no more than 1200 ppm
cause the vehicle to fail. In this case (parts per million). If the vehicle fails this test
professional repairs are likely to be needed. at idle, it can be re-tested at around 2000
M Damage or corrosion which causes sharp rpm; if the HC level is then 1200 ppm or less,
or otherwise dangerous edges to be exposed this counts as a pass.
will also cause the vehicle to fail. M Excessive HC emissions can be caused by
oil being burnt, but they are more likely to be
due to unburnt fuel.
4 Checks carried out on
YOUR VEHICLE’S EXHAUST
Diesel models
M The only emission test applicable to Diesel
EMISSION SYSTEM
engines is the measuring of exhaust smoke
density. The test involves accelerating the
Petrol models engine several times to its maximum
Wheels and tyres M Have the engine at normal operating unloaded speed.
temperature, and make sure that it is in good
M Examine the sidewalls and tread area of Note: It is of the utmost importance that the
tune (ignition system in good order, air filter engine timing belt is in good condition before
each tyre in turn. Check for cuts, tears, lumps,
element clean, etc). the test is carried out.
bulges, separation of the tread, and exposure
M Before any measurements are carried out,
of the ply or cord due to wear or damage.
raise the engine speed to around 2500 rpm, M Excessive smoke can be caused by a dirty
Check that the tyre bead is correctly seated
and hold it at this speed for 20 seconds. Allow air cleaner element. Otherwise, professional
on the wheel rim, that the valve is sound and
the engine speed to return to idle, and watch advice may be needed to find the cause.Roadside Repairs 0•11
Jacking, towing and wheel changing
To change a wheel, remove the spare no risk of the jack slipping or buckling the If the vehicle is equipped with automatic
wheel and jack, apply the handbrake, and flange. Never work under, around or near a transmission, the following precautions must
chock the wheel diagonally opposite the raised vehicle unless it is adequately be observed if the vehicle is to be towed,
one to be changed. On manual transmission supported in at least two places with axle particularly if any kind of transmission fault is
models, select first or reverse gear; on stands or suitable sturdy blocks. suspected. Preferably, a front-end-suspended
automatic transmission models, place the The vehicle may be towed, for breakdown tow should be used (ie with the front wheels
selector lever in “P”. Make sure that the recovery purposes only, using the towing eyes off the ground). If this is not possible, place
vehicle is located on firm level ground. Use positioned at the front and rear of the vehicle the selector lever in “N” and tow the vehicle -
the flat end of the wheelbrace carefully to (see illustrations). These eyes are intended forwards only, never backwards - for a
remove the trim covering the wheel nuts, for towing loads only, and must not be used distance of no more than 30 miles (50 km),
then slightly loosen the wheel nuts with the for lifting the vehicle, either directly or and at speeds no greater than 30 mph
brace (see illustrations). Locate the jack indirectly. (50 km/h).
head in the jacking point nearest to the
wheel to be changed, ensuring that the
channel in the jack head fits over the body
flange (see illustrations) and turn its
handle to raise the jack. When the wheel is
clear of the ground, remove the nuts and lift
off the wheel. Fit the spare wheel, and
moderately tighten the nuts. Lower the
vehicle, then tighten the nuts fully and refit
the trim. With the spare wheel in position,
remove the chock, and stow the jack and
tools.
When jacking up the vehicle to carry out
repair or maintenance tasks, position the jack
as follows.
If the front of the vehicle is to be raised,
either place the jack head under the sump, Use flat end of wheelbrace to remove trim Slacken roadwheel nuts in diagonal
with a block of wood to prevent damage, or covering roadwheel nuts sequence
place a jacking beam across the two front
points “B” shown in the accompanying
illustration, and lift the vehicle evenly. Jacking and supporting
To raise the rear of the vehicle, place a points
jacking beam across the two rear points “B” A Jacking points (for
shown in the accompanying illustration, and vehicle jack in roadside
lift the vehicle evenly. use) - support points (for
To raise the side of the vehicle, place the axle stands in
jack head under the appropriate point servicing/overhaul work)
indicated in the accompanying illustration - if B Jacking points (for
a trolley jack or similar is used on the points trolley jack or workshop
“A” provided for the vehicle’s jack, make up a hoist in
wooden spacer with a groove cut in it to servicing/overhaul work)
accept the underbody flange, so that there is - additional support
points
With jack base on firm ground, locate jack
head in jacking point - indentations
(arrowed) in sill identify jacking points Front towing eye Rear towing eye0•12 Roadside Repairs
Booster battery (jump) starting Jump starting will get you out
of trouble, but you must correct
whatever made the battery go
When jump-starting a car using a C) Make sure that the booster battery is flat in the first place. There are
booster battery, observe the following the same voltage as the discharged three possibilities:
precautions: one in the vehicle. The battery has been drained by
A) Before connecting the booster D) If the battery is being jump-started
1 repeated attempts to start, or by
leaving the lights on.
battery, make sure that the ignition is from the battery in another vehicle,
the two vehcles MUST NOT TOUCH The charging system is not working
switched off.
B) Ensure that all electrical equipment
each other. 2 properly (alternator drivebelt slack
or broken, alternator wiring fault or
(lights, heater, wipers, etc) is E) Make sure that the transmission is in alternator itself faulty).
switched off. neutral (or PARK, in the case of
The battery itself is at fault
automatic transmission).
3 (electrolyte low, or battery worn out).
1 Connect one end of the red jump lead to 2 Connect the other end of the red lead to 3 Connect one end of the black jump lead
the positive (+) terminal of the flat the positive (+) terminal of the booster to the negative (-) terminal of the
battery battery. 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.
Make sure that the jump leads will not
5 come into contact with the fan, drive-
belts or other moving parts of the
engine.
Start the engine using the booster
6 battery, then with the engine running at
idle speed, disconnect the jump leads in
the reverse order of connection.Roadside Repairs 0•13
Identifying leaks
Puddles on the garage floor or drive, or Warning: Most automotive oils
The smell of a fluid leaking
obvious wetness under the bonnet or and fluids are poisonous. Wash from the car may provide a
underneath the car, suggest a leak that needs them off skin, and change out of clue to what’s leaking. Some
investigating. It can sometimes be difficult to contaminated clothing, without fluids are distictively coloured.
decide where the leak is coming from, delay. It may help to clean the car carefully
especially if the engine bay is very dirty and to park it over some clean paper
already. Leaking oil or fluid can also be blown overnight as an aid to locating the
rearwards by the passage of air under the car, source of the leak.
giving a false impression of where the Remember that some leaks may only
problem lies. 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 A leak occurring at a wheel is almost Power steering fluid may leak from the pipe
deposit like this. certainly brake fluid. connectors on the steering rack.0•14 Conversion Factors
Length (distance)
Inches (in) x 25.4 = Millimetres (mm) x 0.0394 = Inches (in)
Feet (ft) x 0.305 = Metres (m) x 3.281 = Feet (ft)
Miles x 1.609 = Kilometres (km) x 0.621 = Miles
Volume (capacity)
Cubic inches (cu in; in3) x 16.387 = Cubic centimetres (cc; cm3) x 0.061 = Cubic inches (cu in; in3)
Imperial pints (Imp pt) x 0.568 = Litres (l) x 1.76 = Imperial pints (Imp pt)
Imperial quarts (Imp qt) x 1.137 = Litres (l) x 0.88 = Imperial quarts (Imp qt)
Imperial quarts (Imp qt) x 1.201 = US quarts (US qt) x 0.833 = Imperial quarts (Imp qt)
US quarts (US qt) x 0.946 = Litres (l) x 1.057 = US quarts (US qt)
Imperial gallons (Imp gal) x 4.546 = Litres (l) x 0.22 = Imperial gallons (Imp gal)
Imperial gallons (Imp gal) x 1.201 = US gallons (US gal) x 0.833 = Imperial gallons (Imp gal)
US gallons (US gal) x 3.785 = Litres (l) x 0.264 = US gallons (US gal)
Mass (weight)
Ounces (oz) x 28.35 = Grams (g) x 0.035 = Ounces (oz)
Pounds (lb) x 0.454 = Kilograms (kg) x 2.205 = Pounds (lb)
Force
Ounces-force (ozf; oz) x 0.278 = Newtons (N) x 3.6 = Ounces-force (ozf; oz)
Pounds-force (lbf; lb) x 4.448 = Newtons (N) x 0.225 = Pounds-force (lbf; lb)
Newtons (N) x 0.1 = Kilograms-force (kgf; kg) x 9.81 = Newtons (N)
Pressure
Pounds-force per square inch x 0.070 = Kilograms-force per square x 14.223 = Pounds-force per square inch
(psi; lbf/in2; lb/in2) centimetre (kgf/cm2; kg/cm2) (psi; lbf/in2; lb/in2)
Pounds-force per square inch x 0.068 = Atmospheres (atm) x 14.696 = Pounds-force per square inch
(psi; lbf/in2; lb/in2) (psi; lbf/in2; lb/in2)
Pounds-force per square inch x 0.069 = Bars x 14.5 = Pounds-force per square inch
(psi; lbf/in2; lb/in2) (psi; lbf/in2; lb/in2)
Pounds-force per square inch x 6.895 = Kilopascals (kPa) x 0.145 = Pounds-force per square inch
(psi; lbf/in2; lb/in2) (psi; lbf/in2; lb/in2)
Kilopascals (kPa) x 0.01 = Kilograms-force per square x 98.1 = Kilopascals (kPa)
centimetre (kgf/cm2; kg/cm2)
Millibar (mbar) x 100 = Pascals (Pa) x 0.01 = Millibar (mbar)
Millibar (mbar) x 0.0145 = Pounds-force per square inch x 68.947 = Millibar (mbar)
(psi; lbf/in2; lb/in2)
Millibar (mbar) x 0.75 = Millimetres of mercury (mmHg) x 1.333 = Millibar (mbar)
Millibar (mbar) x 0.401 = Inches of water (inH2O) x 2.491 = Millibar (mbar)
Millimetres of mercury (mmHg) x 0.535 = Inches of water (inH2O) x 1.868 = Millimetres of mercury (mmHg)
Inches of water (inH2O) x 0.036 = Pounds-force per square inch x 27.68 = Inches of water (inH2O)
(psi; lbf/in2; lb/in2)
Torque (moment of force)
Pounds-force inches x 1.152 = Kilograms-force centimetre x 0.868 = Pounds-force inches
(lbf in; lb in) (kgf cm; kg cm) (lbf in; lb in)
Pounds-force inches x 0.113 = Newton metres (Nm) x 8.85 = Pounds-force inches
(lbf in; lb in) (lbf in; lb in)
Pounds-force inches x 0.083 = Pounds-force feet (lbf ft; lb ft) x 12 = Pounds-force inches
(lbf in; lb in) (lbf in; lb in)
Pounds-force feet (lbf ft; lb ft) x 0.138 = Kilograms-force metres x 7.233 = Pounds-force feet (lbf ft; lb ft)
(kgf m; kg m)
Pounds-force feet (lbf ft; lb ft) x 1.356 = Newton metres (Nm) x 0.738 = Pounds-force feet (lbf ft; lb ft)
Newton metres (Nm) x 0.102 = Kilograms-force metres x 9.804 = Newton metres (Nm)
(kgf m; kg m)
Power
Horsepower (hp) x 745.7 = Watts (W) x 0.0013 = Horsepower (hp)
Velocity (speed)
Miles per hour (miles/hr; mph) x 1.609 = Kilometres per hour (km/hr; kph) x 0.621 = Miles per hour (miles/hr; mph)
Fuel consumption*
Miles per gallon (mpg) x 0.354 = Kilometres per litre (km/l) x 2.825 = Miles per gallon (mpg)
Temperature
Degrees Fahrenheit = (°C x 1.8) + 32 Degrees Celsius (Degrees Centigrade; °C) = (°F - 32) x 0.56
* It is common practice to convert from miles per gallon (mpg) to litres/100 kilometres (l/100km), where mpg x l/100 km = 282You can also read
