GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 441296  Size: SH
  1. Disconnect the battery negative cable from the battery. Refer to Battery Cable Replacement in Engine Electrical.
  2. Remove the upper fan shroud from the radiator. Refer to Fan Shroud Replacement in Engine Cooling.
  3. Remove the drive belt from the pulleys. Refer to Drive Belt Replacement .
  4. Raise the vehicle and support with safety stands.
  5. Remove the lower fan shroud from the radiator. Refer to Fan Shroud Replacement in Engine Cooling.
  6. Remove the crankshaft balancer from the crankshaft. Refer to Crankshaft Balancer Replacement .
  7. Important: Use care as not to damage the engine front cover, or the crankshaft when removing this seal.

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

Installation Procedure

Tools Required

J 22102 Seal installer


    Object Number: 67878  Size: SH
  1. Apply a small amount of clean engine oil to the sealing surface of the crankshaft balancer.
  2. Apply a small amount of clean engine oil to the inner sealing surface of the oil seal.
  3. Use the Install New Engine Front Cover Oil Seal 6.5L to install the crankshaft front cover oil seal.
  4. Install the crankshaft balancer to the crankshaft. Refer to Crankshaft Balancer Replacement .
  5. Install the lower fan shroud to the radiator. Refer to Fan Shroud Replacement in Engine Cooling.
  6. Remove the safety stands and lower the vehicle.
  7. Install the drive belt on the pulleys. Refer to Drive Belt Replacement .
  8. Install the upper fan shroud to the radiator. Refer to Fan Shroud Replacement in Engine Cooling.
  9. Connect the battery negative cables to the batteries. Refer to Battery Cable Replacement in Engine Electrical.