GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 SLS 🢒 General Information 🢒 General Information 🢒 Case Extension and Gasket Replacement

Removal Procedure

    Object Number: 822505 Size: SH
  1. Remove the drive flange (2) and seal (3). Refer to Drive Flange and Seal Replacement .
  2. Place a suitable jack under the transmission pan in order to support the transmission.
  3. Remove the transmission support. Refer to Transmission Support Replacement .
  4. Place a drain pan under the extension housing.

    5. Object Number: 801792 Size: SH
  5. Remove the extension housing bolts (35).
  6. Remove the extension housing (27) and seal (25).

Installation Procedure

    Important: The case extension gasket seal is reusable. Replace the gasket ONLY if the sealing surface is damaged.

  1. Install the extension housing (27) and seal (25).

    2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 801792 Size: SH
  2. Install the extension housing bolts.

    3. Tighten
    Tighten the bolts to 22 N·m (16 lb ft).

  3. Install the transmission support. Refer to Transmission Support Replacement .
  4. Remove the transmission jack.

    5. Object Number: 822505 Size: SH
  5. If equipped with RWD, install the drive flange (2) and seal (3). Refer to Drive Flange and Seal Replacement .