GM Service Manual Online
For 1990-2009 cars only

    Object Number: 521828  Size: SH
  1. Remove the engine coolant temperature gage sensor.

  2. Object Number: 317307  Size: SH
  3. Remove and discard the spark plugs.

  4. Object Number: 317217  Size: SH
  5. Remove the cylinder head bolts.

  6. Object Number: 317227  Size: SH

    Notice: After removal, place the cylinder head on 2 wood blocks in order to prevent damage to the sealing surfaces.

  7. Remove the cylinder head.

  8. Object Number: 317233  Size: SH
  9. Remove and discard the cylinder head gasket.

  10. Object Number: 182846  Size: SH
  11. Remove the cylinder head locator dowel pin, if required.

    Object Number: 521828  Size: SH
  1. Remove engine coolant temperature gage sensor.

  2. Object Number: 317307  Size: SH
  3. Remove and discard the spark plugs.

  4. Object Number: 317217  Size: SH
  5. Remove the cylinder head bolts.

  6. Object Number: 317227  Size: SH

    Notice: After removal, place the cylinder head on 2 wood blocks in order to prevent damage to the sealing surfaces.

  7. Remove the cylinder head.

  8. Object Number: 317233  Size: SH
  9. Remove and discard the cylinder head gasket.

  10. Object Number: 182846  Size: SH
  11. Remove the dowel pin (cylinder head locator) (if required).