Current and Past Models

Technical Service Bulletins and Manuals are available for current and past model GM vehicles.

ORDER TOLL FREE:

1-800-551-4123 Monday – Friday 8:00 AM – 6:00 PM Eastern Time

For Credit Card Orders Only (VISA-MasterCard-Discover), visit Helm, Inc. at: www.helminc.com.
Or write to:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207

Prices are subject to change without notice and without incurring obligation. Allow ample time for delivery.

All listed prices are quoted in U.S.

funds. Make checks payable in U.S.

funds.

    See also:

    Hitches
    It’s important to have the correct hitch equipment. Crosswinds, large trucks going by and rough roads are a few reasons why you’ll need the right hitch. ...

    Recommended Fluids and Lubricants
    Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer/retailer. ...

    Using the Dial Command
    1. Press and hold for two seconds. The system responds with “Ready” followed by a tone. 2. Say “Dial”. The system responds with “Dial using <phone name>”. “Number please” ...