SilveradoSierra • Detail parts diagram web site Chevy Truck Forum | Silverado Sierra GMC Truck Forums. Detail parts diagram web site. Sep 03 2012, 12:47am. Just found this web site while searching for part numbers. It has detail parts diagrams with part numbers Looks like they have diagrams for newer model years tho. Chevrolet Silverado Service Manuals Free Download The Chevrolet Silverado was equipped with a V6 engine of 4.3 (195-200 hp), as well as eight-cylinder engines of 4.8 and 5.3 liters capacity ranging from 270 to 295 forces. Transmission – a five-step “mechanics” or a four-stage “automatic”. The drive could be rear or full.