GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2004 🢒 Alero 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T40-E/4T45-E 🢒 Control Valve Body Cover Gasket Replacement

Removal Procedure
  1. Remove the transmission side cover. Refer to Control Valve Body Cover Replacement .

    2. Object Number: 20822 Size: SH
  2. Remove the side cover gaskets (5 and 6) and the thrust washer (7) from the side cover (1).
  3. Inspect the side cover for cracks or damage to the seal grooves and mounting bosses.
  4. Inspect the side cover seals for damage. The side cover seals are reusable if not damaged.
  5. Thoroughly clean the side cover and the side cover seals. Clean and dry the seal grooves and the axle seal bore.

Installation Procedure

    Object Number: 20822 Size: SH
  1. Install the side cover gaskets (5 and 6) into the grooves on the side cover (1).
  2. Retain the seals with J 36850 or equivalent .
  3. Install the side cover to drive sprocket thrust washer (7) onto the side cover.
  4. Retain the thrust washer with J 36850 or equivalent.
  5. Install the transmission side cover. Refer to Control Valve Body Cover Replacement .