GM Service Manual Online
For 1990-2009 cars only

    Object Number: 182850  Size: SH
  1. Remove the oil pan drain plug and allow the engine oil to drain into a suitable container.

  2. Object Number: 316766  Size: SH
  3. Remove the oil filter and discard.

  4. Object Number: 316798  Size: SH
  5. Remove the engine block coolant drain hole plug and allow the coolant to drain into a suitable container.

  6. Object Number: 182837  Size: SH
  7. Remove the knock sensor and allow the coolant to drain into a suitable container.