GM Service Manual Online
For 1990-2009 cars only

    Object Number: 188048  Size: SH
  1. Remove the oil pan drain plug and allow the engine oil to drain into a suitable container.

  2. Object Number: 188050  Size: SH
  3. Remove the oil filter.
  4. Discard the oil filter.

  5. Object Number: 188052  Size: SH
  6. Remove both the engine block coolant drain hole plugs and allow the coolant to drain into a suitable container.