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Written for GMC dealership mechanics, this factory-published original manual shows you how to work on your vehicle. This overhaul (also called unit repair) manual contains instructions on how to completely disassemble, refurbish, and reassemble the component after it is removed from the vehicle. This is sometimes referred to as 'benchwork'. With step-by-step instructions, clear pictures, exploded view illustrations, schematics, and specifications, you will have the information you need to get your project on the road and keep it there. Includes rebuild of the a/c compressor, power steering gear, rear axle controls, brakes, and v8 gas engine. Buy now to own the best overhaul manual for your truck.


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Exact Title: "1991 Medium Duty Truck Unit Repair Manual"
Wiring Diagrams?: Sold Separately
Authenticity: This item is original.
Dimensions: 11.00 x 8.50 x 0.63
OEM Part Number: X9138

Model-Years Application

This manual covers all 1991 GMC and Chevrolet Medium Duty Trucks, including Topkick and Kodiak conventionals, forward control chassis (for stepvans and buses), and bus chassis. Covers bus chassis B4 (B40 or B4000), S7, P6 (P60 or 6000), C50, C5000, C60, C6000, C70, and C7000.
1991 Chevrolet C5500 Kodiak C5H042
1991 Chevrolet School Bus Chassis B6P042
1991 GMC C7000 Topkick C7H042
1991 Chevrolet C60 Kodiak C6H042
1991 GMC C5000 Topkick C5H042
1991 GMC Forward Control
1991 Chevrolet C70 Kodiak C7H042
1991 GMC C6000 Topkick C6H042
1991 GMC School Bus Chassis B6P042


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