$19.00Add to Cart


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.


Be the first to submit a review on this product!
Review and Rate this Item


Page Count: 26
Exact Title: "Twin Hydra-Matic Supplement GMC Trucks"
Wiring Diagrams?: Sold Separately
Authenticity: This item is original.
Dimensions: 11.00 x 8.50 x 0.06
OEM Part Number: X5608

Model-Years Application

1956 GMC 100
1956 GMC F370
1956 GMC PM250
1956 GMC 150
1956 GMC FM340
1956 GMC PM251
1956 GMC 250
1956 GMC FM350
1956 GMC S300
1956 GMC 300
1956 GMC M300
1956 GMC S370
1956 GMC 350-8
1956 GMC M340
1956 GMC Series 300-500
1956 GMC 370
1956 GMC PM150
1956 GMC Truck
1956 GMC F350
1956 GMC PM151


Pin It

Email A Friend

Send your friend a link to this product.