1986 1987 GMC W4 W7 Tilt Cab Truck Factory Shop Service Manual Original

1986-1987 GMC Medium Duty Trucks Forward Models Service Manual

Covering the 1986-1987 GMC W4 (W4S042), 1986-1987 GMC W7 (W7R042) & 1986-1987 GMC W7 HV (W7R042)

Published by the General Motors Corporation

Covering Specifications * Maintenance * Diagnostics & Testing * In Vehicle Repairs * Component Removal * Disassembly * Reassembly * Installation * Electrical

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 2". Approx. 1,100 pages.

Condition

Good usable condition. Covers show wear. All pages are in place and straight. Page edges are lightly soiled. 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
• Isuzu Engine
• Cooling System
• Fuel System
• Diesel Fuel Injection
• Engine Electrical
• Exhaust
• Automatic Transmission
• Manual Transmission
• Clutch
• Body, Cab and Chassis Electrical
• Instruments and Gauges
• Wiring Diagrams
• Steel Tilt Cab