1984 GMC C7000 Service and Repair Manual
This factory service and repair manual for the 1984 GMC C7000 was written for a truck sold three ways, as a medium conventional tractor, a medium conventional straight truck and a conventional cab and chassis, under the C7D042, C7D044 and C7D064 designations. Behind those bodies sat a choice of seven engines: two gasoline V8s at 6.0L and 7.0L, a turbocharged 6.1L inline-six diesel, and the 8.2L and 10.4L diesel V8s in both turbocharged and naturally aspirated form. Every one of them carries its own specifications.
Engines covered
- 6.0L V8 (366 cu in) — OHV, naturally aspirated, gasoline
- 7.0L V8 (427 cu in) — naturally aspirated, gasoline
- 6.1L inline-six (374 cu in) — turbocharged, diesel
- 8.2L V8 (501 cu in) — turbocharged, diesel
- 10.4L V8 (636 cu in) — turbocharged, diesel
- 10.4L V8 (636 cu in) — naturally aspirated, diesel
- 8.2L V8 (501 cu in) — naturally aspirated, diesel
Body styles covered
- Tractor truck, medium conventional
- Straight truck, medium conventional
- 2-door cab & chassis, conventional
Trims covered
- C7D042
- C7D044
- C7D064
Known issues on the 1984 C7000. NHTSA holds no recalls and no owner complaints for this truck, so there is no defect history to work through here. What the manual does instead is the day-to-day work of a medium-duty shop reference. It carries procedures, specifications, torque values, wiring diagrams and diagnostics for the seven engines above, whether the job in hand is on one of the turbocharged diesels or on the 6.0L or 7.0L gasoline V8.
