1972 GMC TRUCK & PICKUP FACTORY REPAIR SHOP & SERVICE MANUAL. Includes; half ton, three-quarter ton, one ton, 1500, 2500, 3500, C, K, P, Fenderside, Wideside, pickup, Sierra, Sierra Grande, Custom, Super Custom, panel, 3+3 crew cab, bonus cab, Suburban, full-size Jimmy, stakebed, forward control chassis, and stepvan. Includes 2 wheel drive, 4 wheel drive, and dually models. Covers both gasoline and diesel engines -------------- "GMC 1500, 2500, 3500 series Truck & Pickup Shop Manual" This is a high-quality reprint of the same manual that a Chevrolet dealer mechanic would use to work on trucks. It contains complete information on the construction, maintenance, and repair of GMC vehicles. You will find step-by-step instructions on lubrication, heater & air conditioning, body, frame, front & rear suspension, driveline, brakes, emissions controls, engine, fuel system, cooling system, clutch & transmission, fuel tank & exhaust, steering, radiator & grille, wheels & tires, chassis sheet metal, heater & accessories, four wheel drive, and the electrical system. Includes maintenance & routine repair for engine, transmission, and rear end, but does not cover complete overhaul of those parts. Lots of clear black and white pictures, illustrations, wiring diagrams and specifications clarify the instructions. This manual covers 1972 GMC trucks and pickups, including half ton, three-quarter ton, one ton, 1500, 2500, 3500, C, K, P, Fenderside, Wideside, pickup, Sierra, Sierra Grande, Custom, Super Custom, panel, 3+3 crew cab, bonus cab, Suburban, full-size Jimmy, stakebed, forward control chassis, and stepvan. Includes 2 wheel drive, 4 wheel drive, and dually models. Covers both gasoline and diesel engines. Includes van-based well as forward control motorhomes chassis, classes A & C. This book covers the part of the motorhome manufactured by GMC and will not cover motorhome bodies