1990 GMC RVGP LIGHT TRUCK SERVICE MANUAL – PDF DOWNLOAD
DESCRIPTION:
1990 GMC RVGP LIGHT TRUCK SERVICE MANUAL – PDF DOWNLOAD
f o r e w o r d
This sevice manual contains , On-Vehicle maintenance, and light repair for Light Duty Truck Models (“ R/V, P-Truck, and G-Van” ). Fuel and emissions related components for throttle body injection vehicles are covered in a separate manual. Procedures involving disassembly and assembly of major components for these vehicles are published in a separate “ Truck Unit Repair Manual.” Wiring diagrams for these models are also published in a separate “ Truck Wiring Diagram” booklet. This manual should be kept in a handy place for ready reference. If properly used, it will meet the needs of technicians and vehicle owners.
CAUTION
These vehicles contain some parts dimensioned in the metric system as well as in the customary system. Some fasteners are metric and are very close in dimension to familiar customary fasteners in the inch system. It is important to note that, during any vehicle maintenance procedures, replacement fasteners must have the same measurements and strength as those removed, whether metric or customary. (Numbers on the heads of metric bolts and on surfaces of metric nuts indicate their strength. Customary bolts use radial lines for this purpose, while most customary nuts do not have strength markings.) Mismatched or incorrect fasteners can result in vehicle damage or malfunction, or possibly personal injury. Therefore, fasteners removed from the vehicle should be saved for re-use in the same location whenever possible. Where the fasteners are not satisfactory for re-use, care should be taken to select a replacement that matches the original. For information and assistance, see your authorized dealer.
S E R V IC E P A R T S
side of the vehicle (figure 2). On Forward Control mod- ID E N T IF IC A T IO N L A B E L els, the plate is on the dash and toe panel. To find the The Truck Service Parts Identification Label is pro- manufacturer, model and chassis type, engine type, vided on all models (figure 1). It is located on the GVW range, model year, plant code, and sequential inside of the glove box door (or on an inner body panel number, refer to figure 3. for Forward Control models). The Label lists the VIN n c D T i c i r A T iA M a d e i (Vehicle Identification Number), wheelbase, paint – C E R T IF IC A T IO N L A B E L and all Production options or Special Equip- , . 4U , 4U ment on the vehicle when it was shipped from the # abel ?h°WSDth? W ^ S? factory. ALWAYS REFER TO THIS INFORMATION fr0″! f .GAWRs, and the Payload Rating for the WHEN ORDERING PARTS. (f’gukre.4). A/ . . 4 OVAA/ . . . . .. , .. Gross Vehicle Weight GVW is the weight of the origiv / p u iP I P IH P M T IP IP A T IO M naHy equipped vehicle and all V f c n IU L t l U t N I I r l w A I IUIM hag |eft the factory | i)t N U M B E R winches, booms, etc.; the drive and all occupants; and The VIN is the legal identifier of the vehicle. On all the load the vehicle is carrying. The GVW must not models except Forward Control, it is located on a plate exceed the GVWR. Also, the front and rear gross axle which is attached to the left top of the instrument panel weights must not exceed the front and rear GAWRs.
TABLE OF CONTENTS:
1990 GMC RVGP LIGHT TRUCK SERVICE MANUAL – PDF DOWNLOAD
SUBJECT PAGE
General Information ……………………………………………………………………………………………………………………………. OA- 1
Service Parts Identification Label …………………………………………………………………………………………………….OA- 2
Vehicle Identification Number ………………………………………………………………………………………………………….OA- 2
Certification Label …………………………………………………………………………………………………………………………… OA- 2
Model Reference ……………………………………………………………………………………………………………………………… OA- 2
Engine Identification Number …………………………………………………………………………………………………………..OA- 2
Transmission Identification Number ……………………………………………………………………………………………….. OA- 2
Vehicle Lifting Procedures …………………………………………………………………………………………………… …………OA- 2
Metric Fasteners ……………………………………………………………………………………………………………………………….OA- 3
Fastener Strength Identification ……………………………………………………………………………………………………….OA- 4
Prevailing Torque Fasteners …………………………………………………………………………………………………………….OA- 4
Six Lobed Socket Head Fasteners …………………………………………………………………………………………………. OA- 5
Anticorrosion Treatment ………………………………………………………………………………………………………………….OA- 5
Electrostatic Discharge …………………………………………………………………………………………………………………….OA- 5
Graphic Symbols ………………………………………………………………………………………………………………………………OA- 5
RPO Listing (Regular Production Option) …………………………………………………………………………………………..OA-25
Common Automotive Abbreviations ……………………………………………………………………………………………….. OA-28
Lock Cylinder Coding ………………………………………………………………………………………………………………………….OA-29
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