GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 44218 Seal Installer

Removal Procedure

    Important: Do not damage the engine front cover or the crankshaft.

  1. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .

  2. Object Number: 637775  Size: SH
  3. Pry out the crankshaft front oil seal using a suitable tool. Use the provided slots for prying out the seal.

Installation Procedure


    Object Number: 637775  Size: SH
  1. Apply the engine oil to the outside diameter of the crankshaft front oil seal.

  2. Object Number: 748330  Size: SH
  3. Use the J 44218 to install the front oil seal.
  4. Remove the J 44218 .
  5. Install the crank balancer shaft. Refer to Crankshaft Balancer Replacement .