Written for GMC dealership mechanics, this factory-published original manual shows you how to work on your vehicle. 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 book is a supplement to the 1980 shop manual. It shows repairs that are new to the 1981 models. For repairs that the 1981 shares with the 1980 trucks, this book refers you to the 1980 medium or heavy duty manual. Buy now to own the best manual for your vehicle.
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