1978 GMC Factory Light Duty Trucks (1500-3500) including Jimmy Service Manual

This is a Light Duty Truck chassis service manual containing maintenance, light duty repair information, and unit replacement for all 1978 truck series 1500 thru 3500 including Jimmy, “G” and “P” models.

Information Sections Include:

• General Information

• Lubrication

• Heater

• Manual Air Conditioning

• Frame

• Bumpers

• Sheet Metal

• Body

• Front Alignment

• Steering

• Front Suspension

• Rear Suspension

• Wheels and Tires

• Propshaft

• Drive Axle

• Four Wheel Drive

• Brakes

• Engine Mechanical

• Engine Cooling

• Fuel System

• Engine Electrical

• Engine Emission

• Engine Exhaust

• Automatic Transmission

• Manual Transmissin

• Clutch

• Transfer Cases

• Chassis Electrical

• Accessories