GM Service Manual Online
For 1990-2009 cars only

    Object Number: 894733  Size: SH
  1. On the front side of the engine, install the new cylinder head gasket with the part number imprint toward the front of the engine.

  2. Object Number: 894734  Size: SH
  3. On the rear side of the engine, install the new cylinder head gasket with the part number imprint toward the rear of the engine.
  4. Install the cylinder head to the engine block ensuring adequate clearance from all wires, components, etc.
  5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 894848  Size: SH

    Important: Use the new cylinder head bolts. The required tightening method stretches the bolts, therefore, the cylinder head bolts are not reusable.

  6. Install the new cylinder head bolts. Tighten the cylinder head bolts in the proper tightening sequence and in stages.
  7. Tighten

    1. First Pass
    2. Tighten the cylinder head bolt to 25 N·m (18 lb ft).

    3. Second Pass
    4. Plus 90 degrees

    5. Third Pass
    6. Plus 90 degrees

    7. Fourth Pass
    8. Plus 90 degrees

    9. Final Pass
    10. Plus 15 degrees