Case Cover and Gaskets Assemble

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 36850 Assembly Lubricant (or equivalent)
J 44538 TORX® 30+. See Special Tools .

Fig 1: View Of Upper & Lower Case Cover Gaskets

Courtesy of GENERAL MOTORS CORP.

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

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

Fig 2: Identifying Transaxle Case Cover

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Be careful to not move the gaskets.

Use J 36850 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).

IMPORTANT: 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.

Make sure that the manual valve (404) is held in place and assemble the case cover (400) onto the pins in the case.

Fig 3: Identifying Transaxle Case Cover Bolts Locations

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE .

IMPORTANT: Do not use an impact wrench.

Finger start all transaxle case cover bolts (433-436) into the locations noted.
Tighten:
- 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 . See Special Tools .