Each Haynes manual is written for the do-it-yourselfer and provides step-by-step instructions based on a complete disassembly of the vehicle. This hands-on experience provides the reader with specific and detailed instructions for performing everything from basic maintenance and troubleshooting to a complete engine overhaul. The models covered in this title are: Chevrolet: Blazer, 1967-91 C10 Pickup, 1967-87 C15 Pickup, 1967-74 C15 Pickup, 1975-78 C15 Suburban, 1968-74 C15 Suburban, 1975-78 C1500 Pickup, 1967-74 C1500 Pickup, 1979-86 C1500 Suburban, 1968-74 C1500 Suburban, 1979-86 C20 Pickup, 1967-87 C20 Suburban, 1967-91 C25 Pickup, 1967-74 C25 Pickup, 1975-78 C25 Suburban, 1968-74 C25 Suburban, 1975-78 C2500 Pickup, 1967-74 C2500 Pickup, 1979-86 C2500 Suburban, 1968-74 C2500 Suburban, 1979-86 C35 Pickup, 1967-74 C35 Pickup, 1975-78 C3500 Pickup, 1967-74 C3500 Pickup, 1979-86 K10 Pickup, 1967-87 C10 Suburban, 1967-91 K10 Suburban, 1967-91 K15 Pickup, 1967-74 K15 Pickup, 1975-78 K15 Suburban, 1967-74 K15 Suburban, 1975-78 K1500 Pickup, 1967-74 K1500 Pickup, 1979-86 K1500 Suburban, 1967-74 K1500 Suburban, 1979-86 K20 Pickup, 1967-87 K20 Suburban, 1967-91 K25 Pickup, 1967-74 K25 Pickup, 1975-78 K25 Suburban, 1968-74 K25 Suburban, 1975-78 K2500 Pickup, 1967-74 K2500 Pickup, 1979-86 K2500 Suburban, 1968-74 K2500 Suburban, 1979-86 K35 Pickup, 1967-74 K35 Pickup, 1977-78 K3500 Pickup, 1967-74 K3500 Pickup, 1979-86 Suburban, 1967-74 V1500 Pickup, 1987 V1500 Suburban, 1987-91 V2500 Suburban, 1987-91 GMC: C10 Pickup, 1967-87 C10 Suburban, 1967-91 C15 Pickup, 1975-78 C15 Suburban, 1968-74 C15 Suburban, 1975-78 C1500 Pickup, 1967-74 C1500 Pickup, 1979-86 C1500 Suburban, 1968-74 C1500 Suburban, 1979-86 C20 Pickup, 1967-87 C20 Suburban, 1967-91 C25 Pickup, 1967-74 C25 Pickup, 1975-78 C25 Suburban, 1968-74 C25 Suburban, 1975-78 C2500 Pickup, 1967-74 C2500 Pickup, 1979-86 C2500 Suburban, 1968-74 C2500 Suburban, 1979-86 C35 Pickup, 1967-74 C35 Pickup, 1975-78 C3500 Pickup, 1967-74 C3500 Pickup, 1979-86 Jimmy, 1967-91 K10 Pickup, 1967-87 K10 Suburban, 1967-91 K15 Pickup, 1967-74 K15 Pickup, 1975-78 K15 Suburban, 1967-74 K15 Suburban, 1975-78 K1500 Pickup, 1967-74 K1500 Pickup, 1979-86 K1500 Suburban, 1967-74 K1500 Suburban, 1979-86 K20 Pickup, 1967-87 K20 Suburban, 1967-91 K25 Pickup, 1967-74 K25 Pickup, 1975-78 K25 Suburban, 1968-74 K25 Suburban, 1975-78 K2500 Pickup, 1967-74 K2500 Pickup, 1979-86 K2500 Suburban, 1968-74 K2500 Suburban, 1979-86 K35 Pickup, 1967-74 K35 Pickup, 1977-78 K3500 Pickup, 1967-74 K3500 Pickup, 1979-86 Suburban, 1967 V1500 Suburban, 1987-91 V2500 Suburban, 1987-91 Does not include diesel engine or 305 cu. in. V6 gasoline engine information