1985 Chevrolet C70 Service and Repair Manual

This factory service and repair manual for the 1985 Chevrolet C70 adds a low-tilt straight truck alongside the medium conventional straight truck and the two-door cab and chassis, so the cab and body material earns its place next to the engine material. Seven engines were offered: the 6.0L and 7.0L gasoline V8s, and five diesels running from the turbocharged 6.1L inline-six through turbocharged and naturally aspirated 8.2L and 10.4L V8s. Codes C7D042, C7D044 and C7D064 identify the chassis.

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

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

Trims covered

• C7D042
• C7D044
• C7D064

Known issues on the 1985 C70. The manual is the practical reference, and its breadth follows the truck's: seven engines, each with its own specifications and torque values; three bodies, the low-tilt straight truck among them, with the cab and body procedures that go with them; and shared chassis coverage of the driveline, axles, brakes, steering and electrical systems, with diagnostic routines throughout.