a I 1985 1991 O V A M LIGHT TRUCK l A e PARTS AND ILLUSTRATION V l CATALOG A EFFECTIVE JANUARY 1991 4 All illustrations and specifications contained in this literature are based on the latest product ormat1on available a the time of publication approval General Motors Corporation reserves the right to e changes at any time without notice ln colors materials equipment specifications and models and also to discontinue models A IMPORTANT T A A Light Truck vehicles for 1985 91 contain many parts dimensloned 1n the metrlc system These parts are very close in dimension to familiar customary measurements in the inch system It is important that during any vehicle maintenance procedure replacement fasteners have the same measurements as t ose removed whether metric or customary Mlsmatc ed or incorrect fasteners can result in vehicle damage or malfunction or possibly personal injury A nl Fastener sizes denoted on illustrations may not reflect metric dimensions However since the same vehicle may be built with metric or customary fasteners care should be exercised in selecting replacement part equivalent to the original fasteners in dimensions strength and pitch of thread Both metric and customaryagasteners required for replacement are listed in the Service Parts Operations Standard Parts Catalog A special Service Parts Operations Division label saying Metrlc Fasteners Requ1red in red letters will I be used to identify service parts which require metric fasteners but replace parts which originally used inch fasteners T is label will enable dealers and over the counter customers to quickly recognize parts which have changed to metric fasteners A A 1991 GENERAL MOTORS CORPORATION I f V ALL RIGHTS RESERVED A NO PART OF THIS PUBLICATION MAY BE REPRODUCED STORED IN ANY RETRIEVAL SYSTEM OR TRANSMITTED IN ANY FORM OR BY ANY MEANS INCLUDING BUT NOT LIMITED TO ELECTRONIC MECHANICAL PHOTOCOPYING RECORDING OR OTHERWISE WITHOUT THE PRIOR WRITTEN PERMISSION OF GENERAL MOTORS CORP THIS INCLUDES ALL TEXT V ILLUSTRATIONS TABLES AND CHARTS REOUESTS FOR PERMISSION SHOULD BE SENT TO GENERAL MOTORS SERVICE PARTS OPERATIONS P 6060 West Bristol Road Flint MI 48554 V A Engineering Department 3640 GENERAL MOTORS SERVICE PARTS OPERATIONS TRUCK PARTS PUBLICATIONS DEPARTMENT V V WATERFORD MI 48329 L O T I E LIGHT TRUCK 52M A V V 1 1991 GENERAL MOTORS SERVICE PARTS OPERAT1ONS LT TRUCK 52M LSU A 1