1983 GMC Caballero Service and Repair Manual
This factory service and repair manual for the 1983 GMC Caballero deals with a two-door standard cab pickup sold in Base, Amarillo and Diablo trim. Three engines were offered, and one of them changes the character of the book: alongside the naturally aspirated 5.0L OHV gasoline V8 and the naturally aspirated 3.8L OHV gasoline V6 sits a naturally aspirated 5.7L OHV V8 that runs on diesel, and it brings its own specifications, torque values and diagnostic procedures with it.
Engines covered
- 5.0L V8 (305 cu in) — OHV, naturally aspirated, gasoline
- 3.8L V6 (231 cu in) — OHV, naturally aspirated, gasoline
- 5.7L V8 (350 cu in) — OHV, naturally aspirated, diesel
Body styles covered
- 2-door standard cab pickup
Trims covered
- Base
- Amarillo
- Diablo
Known issues on the 1983 Caballero. Federally, there is nothing to report for this model year: no recalls, no owner complaints. With no campaign to describe, the manual is best judged on coverage, and the diesel is the interesting part of that: the naturally aspirated 5.7L V8 has its own specifications, torque values and diagnostic procedures, entirely separate from those for the 5.0L gasoline V8 and the 3.8L V6, while the wiring diagrams cover the pickup in Base, Amarillo and Diablo trim.
THE MASTER CYLINDER REAR BRAKE PIPE, WHICH CARRIES BRAKE FLUID TO THE REAR BRAKES, MAY DEVELOP A LEAK DUE TO EXTENDED CHAFING ON THE AIR CLEANER RESONATOR BRACKET.
IF UPON INSPECTION THE DEALER FINDS THAT THERE IS INADEQUATE CLEARANCE, THE PIPE WILL BE REFORMED TO
PLATFORM TRAILER HITCHES WERE PRODUCED FROM OTHER THAN PURE STEEL. CONSEQUENTLY, THE HITCH WILL NOT WITHSTAND NORMAL STRESSES.
THE HITCH PLATFORM ASSEMBLY WILL BE REPLACED ON ALL INVOLVED VEHICLES.
