GM Service Manual Online
For 1990-2009 cars only

Body Systems

    •  Symptoms - Fixed and Moveable Windows
    •  Symptoms - Horns
    •  Symptoms - Lighting
    •  Symptoms - Mirrors
    •  Symptoms - Stationary Windows
    •  Symptoms - Vehicle Access
    •  Symptoms - Wiper/Washer Systems

Brakes

    •  Symptoms - Antilock Brake System
    •  Symptoms - Hydraulic Brakes
    •  Symptoms - Park Brake

Driveline/Axle

    •  Symptoms - Propeller Shaft
    •  Symptoms - Rear Drive Axle
    •  Symptoms - Wheel Drive Shafts

Driver Information and Entertainment

    •  Symptoms - Cellular Communication
    •  Symptoms - Entertainment
    •  Symptoms - Displays and Gages
    •  Symptoms - Secondary and Configurable Customer Controls
    •  Symptoms - Telematics

Engine

    •  Symptoms - Cruise Control
    •  Symptoms - Engine Controls for the 2.8L, 3.0L, 3.2L, or 3.6L engine
    •  Symptoms - Engine Controls for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine
    •  Symptoms - Engine Cooling
    •  Symptoms - Engine Electrical
    •  Symptoms - Engine Exhaust
    •  Symptoms - Engine Mechanical for the 2.8L, 3.0L, 3.2L, or 3.6L engine
    •  Symptoms - Engine Mechanical for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine

HVAC

    •  Symptoms - Heating, Ventilation, and Air Conditioning
    •  Symptoms - HVAC Systems - Automatic
    •  Symptoms - HVAC Systems - Manual

Power and Signal Distribution

    •  Symptoms - Data Communications
    •  Symptoms - Power Outlets
    •  Symptoms - Wiring Systems

Roof

Symptoms - Roof

Safety and Security

    •  Symptoms - Keyless Entry
    •  Symptoms - Object Detection
    •  Symptoms - Seat Belts
    •  Symptoms - SIR
    •  Symptoms - Theft Deterrent

Seats

Symptoms - Seats

Steering

    •  Symptoms - Power Steering System
    •  Symptoms - Steering Wheel and Column

Suspension

Symptoms - Suspension General Diagnosis

Transmission

    •  Symptoms - Automatic Transmission for the 4L60-E/4L65-E/4L70-E transmission
    •  Symptoms - Automatic Transmission for the 5L40-E/5L50-E transmission
    •  Symptoms - Automatic Transmission for the 6L50/6L80/6L90 transmission
    •  Symptoms - Automatic Transmission Shift Lock Control
    •  Symptoms - Clutch
    •  Symptoms - Manual Transmission for the Aisin AY6 transmission
    •  Symptoms - Manual Transmission for the Temec 6-Speed transmission