GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1481329  Size: SH
  1. Remove the oil pan assembly as oulined in the appropriate Service Information Manual.
  2. Remove the crankshaft rear oil seal housing bolts.
  3. Important: Notice the direction of the rear oil seal. The new design seal is a reverse style as opposed to what has been used in the past.

  4. Remove the crankshaft rear oil seal housing and gasket.

  5. Object Number: 1437945  Size: SH
  6. Place the crankshaft rear oil seal housing face down on a clean surface and support with blocks of wood.
  7. Use a suitable driving tool and hammer and lightly tap around the outer edge of the seal to remove it.