Punto Gt FIAT PUNTO 1994 176 / 1.G Workshop Manual

FIAT
PUNTO
1994 to Oct 1999 (L to V registration) Petrol & Diesel
Haynes Service and Repair Manual
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Includes Roadside Repairs and MOT Test Checks

Fiat Punto
Service and Repair Manual
A K Legg LAEMIMI and Spencer Drayton
Models covered P251 •272 • WAC2>
Fiat Punto Hatchback, including Selecta and special/limited editions Petrol engines: 1.1 litre (1108 cc) and 1,2 litre (1242 cc, 8-valve and 16-valve) Diesel & turbo-dlesel engines: 1.7 litre (1698 cc)
Does NOT cover 1.4 litre (1372 cc) or 1.6 litre (1581 cc) petrol engines, or Cabriolet
©Haynos Publishing 1999 KLWH A book in the Haynes Service end Ropalr Manual Series
All rights reserved. No part of this book may bo 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 hokJer.
ISBN 1 85960 561 3
British Library Cataloguing tn Publication Data A catalogue record for this book Is available from the British Ubrary.
Printed by J H Haynes & Co. Ltd, Sparkford, Nr Yeovil, Somerset BA22 7JJ
Haynes Publishing
Sparkford. Nr Yeovil. Somerset BA22 7JJ, England
Haynes North America, Inc
681 Lawrence Drive, Newbury Park. Califomio 91320. USA
Editions Haynes S.A. Tour Aurora - La
D6 2,18 Place des Reflets, 92975 PARIS LA 0EFENSE Cedex Francs Haynes Publishing Nordfska AB Box 1504, 761 45 UPPSALA, Sverga
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Contents
LIVING WITH YOUR FIAT PUNTO
Introduction to the Rat Punto Page 0-4 Safety lirstl Page 0*5
Roadside repairs If your car won't start Page 0*6 Jump starting Page 0*7 Wheel changing Page 0«8 Identifying teaks Page 0*9 Towing Page 0*9
Weekly checks Introduction Page 0*10 Underbonnet check points Page 0»10 Engine oil level Page 0*12 Coolant level Page 0*12 Brake fluid level Page 0*13 Power steering fluid level Page 0"13 Tyre condition and pressure Page 0*14 Automatic transmission fluid level Page 0«1S Screen washer fluid level Page 0«1S Wiper blades Page 0*15 Battery Page 0*16 Electrical systems Page 0-16
Lubricants and fluids Page 0*17
Tyre pressures Page 0*18
MAINTENANCE
Routine maintenance and servicing Rat Punto petrol models Page 1A«1 Servicing specifications Page 1A«2 Maintenance schedule Page 1A«3 Maintenance procedures Page 1A«6 Fiat Punto diesei models Page 1B-1 Servicing specifications Page 1B«2 Maintenance schedule Page 1B«3 Maintenance procedures Page 1B«5
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0.4 Introduction
The Fiat Punto range was Introduced in March 1994 with 1106 cc, 1242 cc and 1372 cc petrol engines and a 1698 cc diesel engine. At first, models wero only available in 5-door Hatchback form, however 3-door versions followed in May 19SM and Cabriolet and Automatic versions In June 1994. At the seme lime a lurbo diesel model was launched. Power-ass«sted steering and ABS were offered as options in October 1994, and the 6-speed 55SX and norrrally-asptraled dieset followed in June 1995. In June 1997 a minor facelift was undertaken which Included improvements to the suspension and steering and various cosmetic changes. This facelift also saw the introduction of fie ! 242 cc DOHC 1S-valve engine available In top of the range models.
Ait engines covered in this Manual are fitted with single- or double-overhead •camshaft engines, end all models have fully independent front and rear suspension. The distinguished lines of the bodywork together with tho high level rear lighting have made the Rat Punto a very popular small car.
Provided that regular servicing is earned out In accordance with tho manufacturer's recommendations, the Flat Punto should prove reliable and economical. The engine compartment is well-designed, and most of the items needing frequent attention are easily accessible.
The Fiat Punto Team
Haynes manuals are produced by dedicated and enthusiastic people working in close co-operation. The team responsible for the creation of this book included:
Authors
Sub-editor Page Make-up Workshop manager Photo Scans
Cover illustration & Une Art
Wiring diagrams

A.K. Legg laemimi
Spencer Drayton
Ian Barnes
Steve Churchill Paul Buckland
Steve Tanswell John Martin
Roger Healing
Matthew Marke
We hope the book will help you to get the maximum enjoyment from your car. By carrying out routine maintenance as described you will ensure your car's reliability and preserve its resale value.
Your Fiat Punto Manual
The aim ol this manual is to help you get the best value from your vehicle, It can do so-ln several ways. It can help you decide what worfc must be done (even should you choose to get It dons by a garage), provide information on routine maintenance and servicing, and give a logical course of action and diagnosis when random faults occur. However, it is hoped that you will use the manual by tackling the work yourself. On simpler jobs, It may even be quicker than booking tho car into a garage and going there twice, io leave and collect it. Perhaps mosl important, a lot of money can be saved by avoiding the costs a garage must charge to cover Its labour and overheads, The manual has drawings and descriptions to show the function of the various components, so that their layoul can be understood, Then the tasks are described and photographed in a clear step-by-step sequence. References to the 'left' or 'right' are In the sense of a person in the driver's seat facing forward.
Acknowledgements Thanks are duo to the Champion Spark Plug Company, who supplied the Illustrations of various spark plug conditions. Thanks are also due to Oraper Tools 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 tho 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 oen be accepted by the authors or publishers for loss, damage or Injury caused by any errors in, or omissions from, the information given.

2C*2 Diesel engine in-car repair procedures
1 General information
Using this Chapter Chapter 2 is divided Into four Parts; A. 8, C and 0. Repair operations that cart be carried out with the engine in the vehicle are described In Part A, SOHC (B-valve) petrol engines. Part B, DOHC (16-valve) petrol engines and Part C. diesel engines, Part D covers the removal of the engine/transmission as a unit, and describes the engine dismantling and overhaul procedures. In Parts A. 8 and C. the assumption Is made that the engine is installed in Ihe vehicle, with all anciliaries connected If the engine has been removed for overhaul, the preliminary dismantling information which precedes each operation may be ignored.
Engine description Both normally aspirated (non-turbo) and turbocharged diesel engines are fitted to the Punto range. The engines together with their codes are given in the Specifications at the start of lhis Chapter. The engines are water-cooled, single-overhead camshaft. In-line lour cylinder units with cast-iron cylinder blocks and aluminium-alloy cylinder heads. The engine is mounted transversely at the front of the vehicle, with the transmission bolted to the left-hand side of the engine. The cylinder head carries the camshaft which is driven by a toothed timing belt. It also houses the inlet and exhaust valves which are closed by single coll valve springs and run in valve guides pressed into the cylinder head. The valves are operated by cam followers fitted over each valve, and the clearances are adjusted by shims positioned between the followers and the camshaft lobes. The camshaft is supported by four bearings • the end bearings are machined in the cylinder head and the remaining bearings have caps bolted to the cylinder head. The cylinder head contains integral oiiways which supply and lubricate the camshaft and followers and it also Incorporates renewable swirl chambers. The crankshaft Is supported by five main bearings, and endfloat Is controlled by a thrust bearing fitted on the rear main bearing. All diesel engines are fitted with a brake servo vacuum pump dnven from the left-hBnd end of the camshaft. Engine coolant is circulated by a pump, driven by the auxiliary drivebeit. For details of the cooling system refer to Chapter 3. Lubricant is circulated under pressure by a pump, driven from the front of the crankshaft. Oil is drawn from the sump through a strainer, and then forced through an externally-mounted, replaceable screw-on filter. From there, it is distributed to the cylinder head.
where il lubncates the camshaft journals and followers, and also to the crankcase, where it lubricates the main bearings, connecting rod big- and small-ends, gudgeon pins and cylinder bores. Oil jets are fitted to the base of each cylinder bore - these spray oil onto the underside of the pistons, lo Improve cooling. An oil cooler is also fitted to reduce the temp-erature of oil before it re-enters the engine.
Repair operations possible with the engine in the car The following work can be carried out with the engine in the can a) Compression pressure - testing b) Auxiliary drivebeit - removal and refitting (refer to Chapter rej c) Valve clearances • checking and adjustment (refer to Chapter 1B) d) Camshaft cover - removal and refitting e) Tim/ng belt and covers • removal and refitting 0 Timing belt tensioner and sprockets -removal and refitting g) Cylinder head - removal and refitting' h) Camshaft and cam followers - removal end refitting' I) Camshaft oil seal - renewal j) Crankshaft oil seals - renewal k) Flywheel • removal, inspection and refitting I) Engine mountings - inspection and renewal m)Sump • removal and refitting n) Oil pump and pick-up tube assembly -removal, inspection and refitting 'Cylinder head dismantling procedures are detalfed In Chapter 2D, with details of camshaft and cam follower removal. Note: It ts possible to remove the pistons and connecting rods (after removing the cylinder nead and sump) without removing the engine. However, this is not recommended. Work of this nature is more easily and thoroughly completed with the engine on tho bench as described in Chapter 2D.
2 Location of
TDC
on ^ No
1
cylinder ||
General information 1 The camshaft and fuel Injection pump are driven by the crankshaft, by means of sprockets and a timing belt. All three sprockets rotate in phase with each other and this provides the correct valve and injection pump timing as the engine rotates. When the timing bell is removed during servicing or repair, it is possible for the camshaft, injection pump and crankshaft to rotate independently of each other and the correct timing Is then lost.
2 It Location of TDC on cylinder No
1
6 Remove the air inlet ducting as described ft Chapter 4C, Section 2. 7 Remove the heater glow plugs with reference to Chapter 5C. Due to the high compression ratio of diesel engines this Is necessary to allow the engine to be turned by hand. 8 Unscrew the mounting bolts and move the coolant expansion tank to one side for access to the timing covers. Release the hose from the clips on Ihe camshaft cover. 9 Release the toggle clips and remove the upper timing cover (see illustration),
2.9 Removing the upper timing cover