
This factory information shows you how to repair 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. Since 1989 trucks were similar to 1988 models, GMC did not print a new book for 1989, and continued to use this manual for repair. If you have a 1990 model, you'll need this book plus the 1990 supplement. Buy now to own the best manual for your vehicle.
Why buy a factory manual?
Fix it right the first time with the factory repair manual and save money by doing the job yourself. Factory experts prepare these manuals for their dealership service departments, so they're the most complete and specific source of repair techniques. Repair manuals are also called shop manuals, maintenance manuals, service manuals, or technical information manuals.
