1995 GMC C7000 Topkick Service and Repair Manual

This factory service and repair manual for the 1995 GMC C7000 Topkick keeps to one body configuration and three engines. The configuration is the two-door conventional cab and chassis, in the C7H042 and C7H064 designations. The engines are the naturally aspirated 6.0L and 7.0L OHV gasoline V8s and the turbocharged 6.6L OHV inline-six diesel. Since the truck was finished by a body builder after it left GMC, the manual's attention stays on the cab, the chassis and the three engines as delivered.

Engines covered

• 7.0L V8 (427 cu in) — OHV, naturally aspirated, gasoline
• 6.6L inline-six (403 cu in) — OHV, turbocharged, diesel
• 6.0L V8 (366 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 2-door cab & chassis, conventional

Trims covered

• C7H042
• C7H064

Known issues on the 1995 C7000 Topkick. The manual's value is in the detail it carries. Engine coverage is split three ways, so the turbocharged 6.6L diesel has its own specifications, torque values and diagnostics, the 6.0L and 7.0L gasoline V8s have theirs, and all of it ties back to the same cab-and-chassis wiring diagrams.