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:

    Tire Rotation
    Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule . Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Any time unusu ...

    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 ...

    Radiator Pressure Cap
    Notice: If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured. ...