1987 Chevrolet C70 Service and Repair Manual

This factory service and repair manual for the 1987 Chevrolet C70 works across three bodies and two codes, C7D042 and C7D064. A buyer could take a medium conventional straight truck, a low-tilt straight truck or a two-door cab and chassis, and could order either of two gasoline V8s, the overhead-valve 6.0L or the 7.0L of 427 cubic inches, or one of four diesels, the 8.2L and 10.4L V8s in turbocharged and naturally aspirated form.

Engines covered

• 6.0L V8 (366 cu in) — OHV, naturally aspirated, gasoline
• 7.0L V8 (427 cu in) — naturally aspirated, gasoline
• 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

• Straight truck, medium conventional
• Straight truck, low tilt
• 2-door cab & chassis, conventional

Trims covered

• C7D042
• C7D064

Known issues on the 1987 C70. The manual answers the shop's ordinary questions: specifications and torque values for the two gasoline V8s and the four diesels, fuel and cooling procedures written per engine, brake, axle and steering specifications for a truck that may be a straight truck, a low-tilt straight truck or a bare chassis, and the wiring diagrams behind its circuits.