1987 Chevrolet P20 Service and Repair Manual

This factory service and repair manual for the 1987 Chevrolet P20 has one fuel split to keep straight and little else to complicate it. Of the three engines listed, the 6.2L V8 of 379 cubic inches runs on diesel while the 4.8L inline-six of 292 cubic inches and the 5.7L V8 of 350 cubic inches run on gasoline, and all three are naturally aspirated with overhead valves. Any of them could sit in the two-door van or the chassis, sold as Base Stripped or Step-Van Delivery.

Engines covered

• 6.2L V8 (379 cu in) — OHV, naturally aspirated, diesel
• 4.8L inline-six (292 cu in) — OHV, naturally aspirated, gasoline
• 5.7L V8 (350 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 2-door van
• Chassis

Trims covered

• Base Stripped
• Step-Van Delivery

Known issues on the 1987 P20. A truck's condition follows its service history, and this manual is that history's blueprint: engine mechanical procedures for all three units, injection and ignition specifications, cooling and lubrication work, transmission and axle overhaul, brake and steering procedures, torque values throughout, and full chassis wiring diagrams with diagnostics.