GM Service Manual Online
For 1990-2009 cars only

    Object Number: 309844  Size: SH
  1. Remove the oil filter.

  2. Object Number: 1424505  Size: SH
  3. Remove the oil pan cover (434), nuts (452), and gasket (433).
  4. Discard the gasket.

  5. Object Number: 1272831  Size: SH
  6. Remove the oil filter fitting (438) and bypass valve (436), if required.