GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 SLS 🢒 Transmission 🢒 Automatic Transmission - 5L40-E/5L50-E 🢒 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

    Note: 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. Caution: Refer to Fastener Caution 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.