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
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170

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:

    How to Check Lubricant
    To get an accurate reading, the vehicle should be on a level surface. A. Drain Plug B. Fill Plug If the level is below the bottom of the fill plug hole, located on the transfer case, some lubri ...

    Specification
    Use and ask for licensed engine oils with the dexos1™ approved certification mark. Engine oils meeting the requirements for the vehicle should have the dexos1 approved certification mark. T ...

    Driving Impressions
    Cadillac's Seville was known for years as a potent road car. The STS builds solidly upon that reputation, adding a stylish exterior and ample technology. Smooth-riding and well-controlled on good ...