1983 Chevrolet C10 Suburban Service and Repair Manual

This factory service and repair manual for the 1983 Chevrolet C10 Suburban describes a four-door sport utility offered in just two trims, Custom and Silverado, with three engines to choose between: 5.0L and 5.7L gasoline V8s of 305 and 350 cubic inches and a 6.2L diesel V8 of 379 cubic inches, each naturally aspirated with overhead valves. With the equipment list that short, most of what separates one vehicle from another here is the engine bay, and the wiring diagrams, torque values and diagnostic charts are drawn for the whole range rather than for a single powertrain.

Engines covered

• 5.0L V8 (305 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

• 4-door sport utility

Trims covered

• Custom
• Silverado

Known issues on the 1983 C10 Suburban. One recall stands on the federal record for this year, and it concerns a replacement oil filter that can seal inadequately, let engine oil out and raise a fire risk. The five owner complaints lean toward steering, which accounts for three of them, with the remaining two on tires and the fuel system. The steering sections are the ones to read closely then: gear adjustment values, linkage and idler arm inspection points, alignment figures and the torque specifications that go with each, alongside the fuel pump, line and tank diagnostics.