1984 GMC C6000 Service and Repair Manual
This factory service and repair manual for the 1984 GMC C6000 documents a medium-duty range that spanned gasoline and diesel power in the same catalog. A shop might see the 4.8L overhead-valve inline-six at 292 cubic inches, the 5.7L V8 at 350, the 6.0L overhead-valve V8 at 366, or one of the two naturally aspirated diesel V8s — the 8.2L of 501 cubic inches or the 10.4L of 636. The truck itself came as a conventional cab and chassis or a medium conventional tractor, all under trim code C6D042.
Engines covered
- 6.0L V8 (366 cu in) — OHV, naturally aspirated, gasoline
- 5.7L V8 (350 cu in) — naturally aspirated, gasoline
- 4.8L inline-six (292 cu in) — OHV, naturally aspirated, gasoline
- 10.4L V8 (636 cu in) — naturally aspirated, diesel
- 8.2L V8 (501 cu in) — naturally aspirated, diesel
Body styles covered
- 2-door cab & chassis, conventional
- Tractor truck, medium conventional
Trims covered
- C6D042
Known issues on the 1984 C6000. The federal record for the 1984 C6000 shows no recalls and no owner complaints. That silence says little about a working truck's condition after this many years, which is where a factory manual matters most. Its engine sections give specifications and procedures for all five listed engines, gasoline and diesel alike; its chassis sections cover the tractor and cab-and-chassis builds; and torque values, wiring diagrams and diagnostic sequences run throughout for the systems named above.
