Written for GMC dealership mechanics, this factory-published original manual shows you how to work on your vehicle's transmission. Inside this manual, you will find repair and maintenance information on lubrication, throttle valve linkage adjustment, manual control adjustment, front band adjustmentm, rear band release spring, control valve assembly, front servo assembly, front clutch plates, rear pump intake pipe seal, governor weights indentification, shift control lever, oil filter installation and transmission shift points. With step-by-step instructions, clear pictures, exploded view illustrations, schematics, and specifications, you will have the information you need to get your project on the road and keep it there. This supplement contains only updated or new information for the Twin Hydra-Matic transmission. For repair of components that did not change, you will need the 1955 GMC Twin Hydra-Matic maintenance manual. This book covers all 1956 GMC Truck models equipped with the Twin Hydra-Matic Transmissions (models 380T, 425T, 600T). This book has 26 pages, measures 8.5" x 11" and is less than.25" thick. Buy now to own the best manual for your transmission.
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