GM Service Manual Online
For 1990-2009 cars only

    Object Number: 177970  Size: SH
  1. In the correct sequence, remove the eight cylinder-head bolts.
  2. Remove the cylinder head from the cylinder block.

  3. Object Number: 177969  Size: SH
  4. Remove the cylinder head gasket (1) from the cylinder block.

  5. Object Number: 483644  Size: SH
  6. Remove the oil check valve (3) from the cylinder block (2).

  7. Object Number: 177971  Size: SH
  8. Remove the cylinder head rubber seal (2) from the cylinder block.