GM Service Manual Online
For 1990-2009 cars only

    Important: Inspect the fluid level only when the engine is off. Ensure the vehicle is level. The transaxle must be cold.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the level check plug.
  3. Verify that the fluid is up to the opening.
  4. Perform the following porcedure if no fluid is visible:
  5. 4.1. Lower the vehicle.
    4.2. Add GM Dexron III Transmission Fluid, or equivalent, to the level check opening until the level check opening begins to leak fluid.
    4.3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    Object Number: 626455  Size: SH
  6. Install the fluid level check plug.
  7. Lower the vehicle.