This CD rom includes complete reproductions of 5 original printed paper manuals that GMC mechanics used to service trucks. It includes the: 1128 page X-8031 1980 GMC Truck Service Manual Caballero, the 410 page Passenger Cars and Light Duty Trucks Unit Repair Manual (Overhaul) 1980 Chevrolet, the 1160 page 1981 GMC Truck Service Manual Caballero, the 532 page 1981 GMC Unit Repair Manual Light Duty Trucks, and the 642 page 1981 Fisher Body Service Manual. Get the know-how on front-end alignment, fender, hood and grille replacement, brake system maintenance, clutch removal installation, ignition timing, engine tune-up, carburetor overhaul, power steering repair, transmission inspection, and much, much more! With clear pictures, exploded view illustrations, schematics, specifications, and a list of special tools, you will have everything you need to get the job d1 right. With the step-by-step illustrated instructions, specifications, and wiring diagrams on this CD. Valuable resource to restore all 1980-1981 GMC Caballero models. Because Caballero vehicles were nearly identical to the Chevrolet El Camino, this book is a GMC cover on an El Camino manual. This is the only way that GMC made a manual for the Caballero.