GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Omega VE 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 5L40-E/5L50-E 🢒 Case Extension and Gasket Replacement

Removal Procedure

    Object Number: 1955684 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 suitable drain pan under the extension housing.

    5. Object Number: 1955682 Size: SH
  5. Remove the extension housing retaining bolts (1).
  6. The output shaft retainer will slide off the output shaft while removing the case extension housing.
  7. Remove the extension housing (2) and the seal (4).

Installation Procedure

    Object Number: 1956862 Size: SH
  1. Install the output shaft thrust washer to the inner side of the case extension housing prior to installing of the case extension housing. Align the thrust washer tabs with the locating slots on the case extension housing.

    2. Object Number: 1955682 Size: SH

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

  2. Install the extension housing (2) and the seal (4).

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

  3. Install the extension housing bolts (1).

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

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

    6. Object Number: 1955684 Size: SH
  6. Install the drive flange (2) and seal (3). Refer to Drive Flange and Seal Replacement .