Service Bulletins

Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.

Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.

    See also:

    Root Directory
    The root directory is treated as a folder. If the root directory has compressed audio files, the directory displays as F1 ROOT. All files contained directly under the root directory are accessed p ...

    Weatherstrips
    Apply silicone grease on weatherstrips to make them last longer, seal better, and not stick or squeak. See Recommended Fluids and Lubricants . ...

    Maintenance I
    • Change engine oil and filter. See Engine Oil. An Emission Control Service. • Engine coolant level check. See Engine Coolant (4.6L Engine) or Engine Coolant (3.9L Engine). • Windshield wa ...