GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 60256  Size: SH
  1. Remove the fan shroud from the radiator. Refer to Fan Shroud Replacement
  2. Remove the drive belt from the pulley. Refer to Drive Belt Replacement .
  3. Raise the vehicle and support with safety stands.
  4. Remove the crankshaft balancer from the crankshaft. Refer to Crankshaft Balancer Replacement .
  5. Important: Use care as not to damage the engine front cover, or the crankshaft when removing this seal.

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

Installation Procedure

Tools Required

J 22102 Seal installer

  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. Object Number: 67878  Size: SH
  4. Use the Install New Engine Front Cover Oil Seal 6.5L to install 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. Remove the safety stands and lower the vehicle. Refer to Vehicle Lifting and Jacking in General Information.
  8. Install the drive belt on the pulleys. Refer to Drive Belt Replacement .
  9. Install the fan shroud to the radiator. Refer to Fan Shroud Replacement in Engine Cooling.