Original 1980 Chevrolet Truck Dealer Service Manual.  This Manual covers Medium Duty Trucks.  This is what the Dealerships used to repair your Truck. It has information, illustrations, diagrams and procedures for the servicing of these Trucks. Very informative and useful tool for the Chevy Owner. Models Covered:

P4T042                C6D062

C5D42                 C7D064

C6D42                 W6N042

C7D42                 W7N042

B6P042

Good condition with normal wear and soiling from use in a Dealership [see photos].