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:

    Empty Directory or Folder
    If a root directory or a folder exists somewhere in the file structure that contains only folders/ subfolders and no compressed files directly beneath them, the player advances to the next folder ...

    Footnotes — Maintenance Schedule Additional Required Services — Severe
    a) Check all fuel and vapor lines and hoses for proper hook-up, routing, and condition. Check that the purge valve, if the vehicle has one, works properly. Replace as needed. b) Or every four yea ...

    Transmission Messages
    SERVICE TRANSMISSION This message displays if there is a problem with the transmission. See your dealer. SHIFT TO PARK This message displays when the transmission needs to be shifted to P (Park). ...