GM Service Manual Online
For 1990-2009 cars only

    Object Number: 201633  Size: SH
  1. Install the cylinder head gasket.
  2. Install the new cylinder head gasket (2) with the TOP mark facing up (toward the cylinder head) and on the crankshaft timing pulley side.


    Object Number: 262005  Size: SH
  3. Install the cylinder head assembly onto the cylinder block.
  4. Apply engine oil to each of the ten cylinder head bolts.
  5. Secure the cylinder head with 10 bolts.
  6. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  7. Tighten the cylinder head bolts (1) in 3 separate steps, following the illustrated sequence.
  8. Tighten

    1. Tighten the ten cylinder head bolts on the first pass to 35 N·m (26 lb ft).
    2. Tighten the ten cylinder head bolts on the second pass to 55 N·m (41 lb ft).
    3. Tighten the ten cylinder head bolts on the final (third) pass to 70 N·m (52 lb ft).
  9. After attaining the proper cylinder head torque, the cylinder head bolts will need to be loosened in the reverse order that they were tightened. After loosening the cylinder head bolts, retorque the cylinder head to specifications.

  10. Object Number: 166390  Size: SH
  11. Tighten the cylinder head bolts (1) in three separate steps, following the illustrated sequence.
  12. Tighten

    1. Tighten the 10 cylinder head bolts on the first pass to 35 N·m (26 lb ft).
    2. Tighten the 10 cylinder head bolts on the second pass to 55 N·m (41 lb ft).
    3. Tighten the 10 cylinder head bolts on the final (third) pass to 70 N·m (52 lb ft).