GM Service Manual Online
For 1990-2009 cars only
  1. Mark the flywheel-to-engine position.
  2. Remove the flywheel from the crankshaft. Refer to Engine Flywheel Removal .

  3. Object Number: 517103  Size: SH

    Important: To protect the crankshaft from damage, wrap the tip of the screwdriver with tape.

  4. Carefully pry out the crankshaft rear oil seal using a screwdriver.