This disc includes the 1968 Series 10 through 60 Chevrolet Truck Chassis Service Manual and 1968 Series 10 through 60 Chevrolet Truck Chassis Overhaul Manual. There are detailed service procedures for lubrication, frame, front suspension, rear axle and suspension, brakes, engine, transmission, fuel exhaust, wheels tires, chassis-sheet metal, electrical system, heater and air-conditioning. In the overhaul manual There are step-by-step instructions for tearing down & rebuilding air-conditioner compressor, front and rear axle differential, engine, carburetors, clutch, transmission, steering, and driveline. This disc covers all 1968 Chevrolet Vans, Pickups, and Trucks, including 2- or 4-wheel drive, Suburban, pickup, stepside, fleetside, panel, Van, P-Chassis, Stepvan, forward control, conventional.