GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • EN 46111 Crankshaft Rotation Socket
    • J 45059 Angle Meter

    Important: Ensure that the crankshaft is in the timing drive assembly position using the EN 46111 .

  1. Ensure the cylinder head locating pins are securely mounted in the cylinder block deck face.

  2. Object Number: 902817  Size: SH
  3. Install a NEW right cylinder head gasket using the deck face locating pins for retention.

  4. Object Number: 902818  Size: SH
  5. Align the right cylinder head with the deck face locating pins.
  6. Place the right cylinder head in position on the deck face.
  7. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 902819  Size: SH

    Important: DO NOT allow oil on the cylinder head bolt bosses.

    Important: DO NOT reuse the old M11 cylinder head bolts.

  8. Install new M11 cylinder head bolts.
  9. Tighten

    1. Tighten the M11 cylinder head bolts a first pass in sequence to 30 N·m (22 lb ft).
    2. Tighten the M11 cylinder head bolts a second pass in sequence an additional 120 degrees using the J 45059 .