1981 GMC Medium & Heavy Duty Truck Service Manual Supplement

*NOTE: This is a supplemental manual for the 1981 model year and MUST be used alongside the appropriate 1980 Service Manual for full coverage

Covering the following: Astro 95, Brigadier, GMC C5000 (C5D042), C6000 (C6D042, CD062), C7000 (C7D042, C7D044, C7D064), B6000 School Bus Chassis (B6P042), General, P4500 (P4T042) Forward Control Chassis

Published by the General Motors Corporation

Covering Specifications * Maintenance * Diagnostics and Testing * In Vehicle Repairs * Component Removal * Disassembly * Reassembly * Installation * Schematics

This is the Official Service Manual that the dealers and shops use, written by GM specifically for the vehicle(s) listed. This ensures you get the job done right the first time. It is incredibly comprehensive with detailed diagrams and exploded views. This is the best money can buy and a must for anyone who insists on Genuine OEM quality parts.
11" x 8.5" x .35". Approx. 226 pages.

Condition

Good condition. Covers show some wear. All pages are in place and straight. Page surfaces are mostly clean.

Table of Contents

• General Information
• Maintenance and Lubrication
• Heating and Air Conditioning
• Frame and Cab
• Steering/Suspension/Wheels and Tires
• Rear Axle and Propeller Shaft
• Brakes
• Engine Mechanical
• Cooling
• Fuel System
• Engine Electrical
• Emission Controls
• Exhaust
• Automatic Transmission
• Manual Transmission
• Clutch
• Cab Electrical
• Chassis Electrical
• Lighting Systems
• Metric Information