GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 3453 Holding Bar
    • J 22834-A Extension Housing Seal Installer

Removal Procedure


    Object Number: 790997  Size: SH
  1. Remove the propeller shaft. Refer to Two-Piece Rear Propeller Shaft Replacement , One-Piece Rear Propeller Shaft Replacement or Three-Piece Rear Propeller Shaft Replacement .
  2. Disconnect the vehicle speed sensor (VSS) electrical connector (3), as required.
  3. Remove park brake drum, if equipped. Refer to Propeller Shaft Parking Brake Drum Replacement .

  4. Object Number: 199874  Size: SH
  5. Using the J 3453 , if necessary (1) to hold the propeller shaft yoke, remove the yoke nut.
  6. Remove the propeller shaft yoke, as required.

  7. Object Number: 199857  Size: SH
  8. Remove the rear bearing cover nuts (1) or bolts (4), if equipped, and washers (5).
  9. Remove the rear bearing cover.
  10. Remove the rear oil seal.
  11. Clean the rear bearing cover with clean solvent.
  12. Inspect the bearing retainer for damage.

Installation Procedure


    Object Number: 199852  Size: SH

    Important: 

       • The seal lip must face toward the transmission.
       • The seal must not be cocked or distorted.

  1. Install a new seal into the housing (1), using J 22834-A . Coat the seal lip with transmission oil.

  2. Object Number: 199857  Size: SH
  3. Install the bearing cover (2). Align the oil passages in the bearing cover and the transmission case.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the rear bearing cover nuts (1) or bolts (4), if equipped, and washers (5).
  6. Tighten
    Tighten the rear bearing cover bolts/nuts to 33 N·m (24 lb ft).

  7. Install the propeller shaft yoke.

  8. Object Number: 199874  Size: SH
  9. Install the propeller shaft yoke nut until snug.
  10. Using the J 3453  (1) to hold the propeller shaft yoke, tighten the yoke nut, if necessary.
  11. Tighten
    Tighten the propeller shaft yoke nut to 508-542 N·m (375-400 lb ft).

  12. Install the park brake drum, if equipped. Refer to Propeller Shaft Parking Brake Drum Replacement .

  13. Object Number: 790997  Size: SH
  14. Install the propeller shaft. Refer to Two-Piece Rear Propeller Shaft Replacement , One-Piece Rear Propeller Shaft Replacement or Three-Piece Rear Propeller Shaft Replacement .
  15. Connect the VSS electrical connector (3), as required.