1985-2005 Park Avenue Service & Repair Manual

1985-05 REPAIR MANUAL Covers U.S. and Canadian models of Buick LeSabre, Electra and Park Avenue - 1985 thru 2005 Pontiac Bonneville -1985 thru 2005 Oldsmobile Eighty Eight, Delta 88, Royale, Ninety Eight, LLS and Regency -1985 thru 2002 Front Wheel Drive Does not cover diesel engine and related information, supercharger

Contents About this ma Introduction tc and Pontia ual - 0-5 the Buick, Oldsmobile INTRODUCTORY PAGES l-size, front-wheel drive modejs - 0-5 Vehicle identification numbers - 0-6 Buying parts - 0-7 Maintenance t working fac Booster batter chniques, tools and lilies - 0-7 (jump) starting-0-15 Anti-theft audio systems - 0-16 Jacking and towing-0-17 Automotive chemicals and lubricants - 0-18 Conversion factors-0-19 Fraction/decimal/millimeter equivalents - 0-20 Safety first!-0-21 Troubleshooting - 0-22 TUNE-UP AND ROUTINE MAINTENANCE -1-1 ENGINES - 2A-1 GENERAL E IGINE OVERHAUL PROCEDURES - 2B-1 COOLING, HEATING AND AIR CONDITIONING SYSTEMS - 3-1 FUEL AND XHAUST SYSTEMS - 4-1 ENGINE ELI :TRICAL SYSTEMS - 5-1 EMISSIONS AND ENGINE CONTROL SYSTEMS - 6-1

AUTOMATIC TRANSMISSION - 7-1 DRIVEAXLES - 8-1 BRAKES - 9-1 SUSPENSION AND STEERING SYSTEMS -10-1 BODY-11-1 CHASSIS ELECTRICAL SYSTEM - 12-1 WIRING DIAGRAMS -12-22 GLOSSARY - GL-1 GLOSSARY MASTER INDEX - IND-1 MASTER INDEX

Mechanic, author and photographer with Oldsmobile Del a 88 ACKNOWLEDGEMENTS Wiring diagrams provided exclusively for the publisher by \s project include Jon La Course, Jeff Killingsworth and Ken Hey Forge Technical Information Services. Technical writers who contributed to :reund. All rights reserved. No part of this book may be reproduced photocopying, recording or by any information storage or retrial r transmitted in any form or by any means, electronic or mechanical, including ia\, without permission in writing from the copyright holder. While every attempt is made to ensure that the information ir for loss, damage or injury caused by any errors in, or omissior this manual is correct, no liability can be accepted by the authors or publishers ; from, the information given. 06-352

INTRODUCTION 0-5 About this manual ITS PURPOSE The purpose of this manual is to help you get the best value from your vehicle. It can do so in several ways. It can help you decide what work must be done, even if you choose to have it done by a dealer service department or a repair shop; it provides information and procedures for routine maintenance and servicing; and it offers diagnostic and repair procedures to follow when trouble occurs. We hope you use the manual to tackle the work yourself. For many simpler jobs, doing it yourself may be quicker than arranging an appointment to get the vehicle into a shop and making the trips to leave it and pick it up. More importantly, a lot of money can be saved by avoiding the expense the shop must pass on to you to cover its labor and overhead costs. An added benefit is the sense of satisfaction and accomplishment that you feel after doing the job yourself. USING THE MANUAL The manual is divided into Chapters. Each Chapter is divided into numbered Sections. Each Section consists of consecutively numbered paragraphs. At the beginning of each numbered Section you will be referred to any illustrations which apply to the procedures in that Section. The reference numbers used in illustration captions pinpoint the pertinent Section and the Step within that Section. That is, illustration 3.2 means the illustration refers to Section 3 and Step (or paragraph) 2 within that Section. Procedures, once described in the text, are not normally repeated. When it'snecessary to refer to another Chapter, the reference will be given as Chapter and Section number. Cross references given without use of the word "Chapter" apply to Sections and/or paragraphs in the same Chapter. For example, "see Section 8" means in the same Chap- 'ter. References to the left or right side of the vehicle assume you are sitting in the driver's seat, facing forward. Even though we have prepared this manual with extreme care, neither the publisher nor the author can accept responsibility for any errors in, or omissions from, the information given. A Note provides information necessary to properly complete a procedure or information which will make the procedure easier to understand. #* CAUTION A Caution provides a special procedure or special steps which must be taken while completing the procedure where the Caution is found. Not heeding a Caution can result in damage to the assembly being worked on. ** WARNING A Warning provides a special procedure or special steps which must be taken while completing the procedure where the Warning is found. Not heeding a Warning can result in personal injury. Introduction to the Buick, Oldsmobile and Pontiac full-size, front-wheel drive models The full-size General Motors models covered by this manual are front engine/front-wheel drive "C" and "H" body vehicles only. Most are four-door sedans, although some two-door models are available. All models are powered by a transversely mounted V6 engine which drives the front wheels through an automatic transaxle and independent driveaxles. Independent suspension, featuring coil springs and struts or shock absorbers, is used at all four wheels. The rack and pinion steering unit is mounted behind the engine. The brakes are disc at the front and drums or discs at the rear, with power assist standard.

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1985-2005 Park Avenue Service & Repair Manual

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