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For 1990-2009 cars only

Transmission Housing Oil Seal Replacement Front Seal

Tools Required

    • J 42371 Clutch Release Tool.
    • J 38801 Imput Seal Installer.

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement .
  3. Remove the transmission. Refer to Transmission Replacement .

  4. Object Number: 395628  Size: SH
  5. Remove the 2 clutch actuator bolts.
  6. Remove the clutch actuator from the input shaft.

  7. Object Number: 761058  Size: SH
  8. Remove the 6 bolts from the front bearing retainer.
  9. Carefully remove the front bearing retainer.


    Object Number: 761130  Size: SH
  10. Remove the seal from the front bearing retainer. Using a hammer and a punch.
  11. Remove the old gasket material from the front bearing retainer.

Installation Procedure

Important: Inspect the bearing retainer for any nicks or cracks that may result in a leak. Replace as nessary.


    Object Number: 761084  Size: SH
  1. Place the seal in the front bearing retainer.
  2. Using theJ 38801 install the seal.

  3. Object Number: 4770  Size: SH
  4. Apply RTV gasket material to the inboard side of the bearing retainer.

  5. Object Number: 761058  Size: SH
  6. Install the front bearing retainer and the 6 bolts to the transmission.
  7. Tighten
    Tighten the 6 bolts to 14 N·m(10 lb ft).


    Object Number: 395628  Size: SH
  8. Install the clutch actuator and the bolts.
  9. Tighten
    Tighten the clutch actuator bolts to 8 N·m(71 lb in)

  10. Install the transmission. Refer to Transmission Replacement .
  11. Install the rear propeller. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement .
  12. Inspect the fluid level. Refer to Fluid Replacement .
  13. Lower the vehicle.

Transmission Housing Oil Seal Replacement Rear Seal 4wd

Tools Required

    • J 36825 Output Shaft Oil Seal Remover
    • J 23907 Slide Hammer
    • J 36502-2A Output Shaft Seal Protector/Installer
    • J 36502 Extension Housing Seal Installer

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove transfer case. Refer to Transfer Case Assembly Replacement .

  3. Object Number: 4781  Size: SH
  4. UsingJ 36825 andJ 23907 remove the seal from the extension housing.

Installation Procedure


    Object Number: 4757  Size: SH
  1. Position J 36502-2A over the output shaft.

  2. Object Number: 4758  Size: SH
  3. Using J 36502 , install the rear output shaft seal.

  4. Object Number: 4757  Size: SH
  5. Remove J 36502-2A from the output shaft.

  6. Object Number: 7909  Size: SH
  7. Fill the space between the seal lips with grease GM P/N 1052497 or equivalent.
  8. Install the transfer case. Refer to Transfer Case Assembly Replacement .
  9. Install the rear propeller shaft. Refer to Two-Piece Propeller Shaft Replacement in Propeller Shaft.
  10. Check the transmission oil level. Refer to Fluid Replacement .
  11. Lower the vehicle.

Transmission Housing Oil Seal Replacement Rear Seal 2wd

Tools Required

    • J 23129 Universal Seal Remover.
    • J 6125-1B Slide hammer.
    • J 36503 Seal Installer.

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the rear propeller shaft. Refer to Two-Piece Propeller Shaft Replacement in Propeller Shaft.

  3. Object Number: 696799  Size: SH
  4. Remove the rear oil seal from the rear case using the J 6125-1B (1) and the J 23129 (2).
  5. Remove the rear oil seal from the extension housing.

Installation Procedure


    Object Number: 548114  Size: SH
  1. Using the J 36503 install the new rear oil seal.
  2. Install the rear propeller shaft. Refer to Two-Piece Propeller Shaft Replacement in Propeller Shaft.
  3. Check the transmission oil level. Refer to Fluid Replacement .
  4. Lower the vehicle.