1991 Chevrolet K3500 Service and Repair Manual

This factory service and repair manual for the 1991 Chevrolet K3500 gives a technician one place to look for three engines' worth of numbers: the 454-cubic-inch 7.4L gasoline V8, the 379-cubic-inch 6.2L diesel V8 and the 350-cubic-inch 5.7L gasoline V8, all naturally aspirated and all overhead-valve. The trucks they went into are two-door — standard cab pickup, extended cab pickup or cab and chassis — in Cheyenne, Scottsdale and Silverado trim, and the body sections follow that same split.

Engines covered

• 7.4L V8 (454 cu in) — OHV, naturally aspirated, gasoline
• 6.2L V8 (379 cu in) — OHV, naturally aspirated, diesel
• 5.7L V8 (350 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 2-door standard cab pickup
• 2-door cab & chassis
• 2-door extended cab pickup

Trims covered

• Cheyenne
• Scottsdale
• Silverado

Known issues on the 1991 K3500. The manual's procedures cover engine mechanical work and driveability diagnostics on all three engines, diesel injection service, cooling and charging specifications, transmission and axle repair, brake hydraulic work and adjustment, steering and suspension torque values, and the wiring diagrams needed to trace a fault through the chassis and body circuits.