GM Service Manual Online
For 1990-2009 cars only

    Caution: Refer to Vehicle Lifting Caution in the Preface section.

    Caution: Refer to Safety Glasses Caution in the Preface section.

    Important: This transmission is classified as being a "Fill for Life" transmission and checking the lubricant level is not recommended. The only time that fluid level checking would be appropriate, would be after correction of a fluid leak that did not require the transmission to be fully drained and/or removed from the vehicle.

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.

  2. Object Number: 1955703  Size: SH
  3. Clean any dirt from around the transmission fill plug (1).
  4. Remove the transmission fill plug (1).
  5. Allow excess fluid to drain until flow stops. If required, top up fluid level until it does flow out of the transmission fill plug.
  6. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1955703  Size: SH
  7. Install the transmission fill plug (1).
  8. Tighten
    Tighten the plug to 28 N·m (20 lb ft).

  9. Lower the vehicle.