GM Service Manual Online
For 1990-2009 cars only

    Object Number: 2135430  Size: SH
  1. Remove the oil filter adapter bolts (1).

  2. Object Number: 2135431  Size: SH
  3. Remove the oil filter adapter (1) and the oil filter adapter gasket (2).
  4. Discard the oil filter adapter gasket.

  5. Object Number: 2135432  Size: SH
  6. Remove and discard the oil filter adapter seal, O-ring, (1).