GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J-36850 Assembly Lubricant (or equivalent)
    • J-44538 TORX® 30+

For equivalent regional tools, refer to Special Tools.


    Object Number: 1833141  Size: SH

    Note: Do not use any type of adhesive or sealer when assembling the gaskets. You may use J-36850 lubricant or equivalent as an aid.

  1. Install the case cover upper gasket (430) and the case cover lower gasket (429) on the case.

  2. Object Number: 1818448  Size: SH

    Note: Be careful to not move the gaskets.

  3. Use J-36850 lubricant or equivalent in order to retain the fourth clutch shaft thrust washer (432) and the drive sprocket/case cover thrust washer (514) to the case cover (400).
  4. Note: Rotate the internal mode switch (IMS) (802) all the way to the left as seen in the illustration. The tab on the IMS (802) has to be under the case cover or the manual shift detent assembly will not install properly.

  5. Make sure that the manual valve (404) is held in place and assemble the case cover (400) onto the pins in the case.
  6. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 48203  Size: SH

    Note: Do not use an impact wrench.

  7. Finger start all transaxle case cover bolts (433-436) into the locations noted.
  8. • Tighten the M 6 size bolts (434, 436) to 12 N·m (106 lb in).
    • Tighten the M 8 size bolts (435) to 25 N·m (18 lb ft).
    • Tighten the M 6 size bolts (433) to 12 N·m (106 lb in) using J-44538 TORX® 30+ .