GM Service Manual Online
For 1990-2009 cars only

    Object Number: 261773  Size: SH
  1. Remove the five rear main seal housing bolts.
  2. Remove the rear main seal housing.

  3. Object Number: 261715  Size: SH
  4. Using a hammer and a drift, carefully remove the rear main seal from the rear main seal housing.
  5. Carefully install the new rear main seal (1) into the rear main seal housing (2) with a hammer. Tap the rear main oil seal into place so that the end face is flush with the housing seal end face.