GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 22102 Seal Installer

  1. Open the hood.
  2. Caution: Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

  3. Disconnect the battery negative cable from the battery. Refer to Battery Cable Replacement in Engine Electrical.

  4. Object Number: 160869  Size: SH
  5. Remove the upper fan shroud from the radiator.
  6. Raise the vehicle and support with safety stands. Refer to Vehicle Lifting and Jacking in General Information.
  7. Remove the drive belt from the vehicle. Refer to Drive Belt Replacement .

  8. Object Number: 160873  Size: SH
  9. Remove the lower fan shroud from the radiator.

  10. Object Number: 60256  Size: SH
  11. Remove the crankshaft balancer from the crankshaft. Refer to Crankshaft Balancer Replacement .
  12. Important: Use care as not to damage the engine front cover or the crankshaft sealing area when removing the crankshaft front cover oil seal.

  13. Remove the crankshaft front cover oil seal from the engine front cover.

Installation Procedure

Tools Required

J 22102 Seal Installer

  1. Coat the crankshaft front cover oil seal with clean engine oil.

  2. Object Number: 67878  Size: SH
  3. Use the J 22102 to install the crankshaft front cover oil seal.
  4. Remove the J 22102 from the crankshaft front cover oil seal.

  5. Object Number: 66720  Size: SH
  6. Install the crankshaft balancer to the crankshaft. Refer to Crankshaft Balancer Replacement .

  7. Object Number: 160873  Size: SH
  8. Install the lower fan shroud to the radiator.
  9. Remove the support stands and lower the vehicle. Refer to Vehicle Lifting and Jacking in General Information.
  10. Install the drive belt on the vehicle. Refer to Drive Belt Replacement .

  11. Object Number: 160869  Size: SH
  12. Install the upper fan shroud on the radiator.
  13. Connect the battery negative cable to the battery. Refer to Battery Cable Replacement .
  14. Close the hood.