GM Service Manual Online
For 1990-2009 cars only
  1. Set No. 1 cylinder to TDC/compression.
  2. Remove the crankshaft pulley.

  3. Object Number: 2017037  Size: SH

    Note: Do not turn the crankshaft without the chain tensioner installed.

  4. Remove the 2 nuts (1,2), bracket, tensioner and gasket, chain tensioner assembly.

  5. Object Number: 2017038  Size: SH
  6. Remove the bolt (1) and the crankshaft position sensor.

  7. Object Number: 2017040  Size: SH
  8. Using a 24 mm deep socket wrench, remove the engine oil pressure switch assembly (1).

  9. Object Number: 2017041  Size: SH
  10. If necessary, remove the No. 1 taper screw plug (1).

  11. Object Number: 2017047  Size: SH
  12. Remove the bolt and knock control sensor (1).

  13. Object Number: 2017050  Size: SH
  14. Using a 19 mm deep socket wrench, remove the engine coolant temperature sensor.
  15. Remove the gasket from the engine coolant temperature sensor.
  16. Remove the oil filter cap assembly.