GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 45059 Angle Meter

For equivalent regional tools, refer to Special Tools


    Object Number: 1825048  Size: SH

    Note: Do not use any sealing material.

  1. Install the cylinder head gasket to the block.
  2. Install the cylinder head. Ensure the number 1 cylinder is at top dead center (TDC). The key on the crankshaft should be on top in the 12 o'clock position.
  3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 412510  Size: SH

    Note: Always use NEW cylinder head bolts.

  4. Install the cylinder head bolts.
  5. 3.1. Tighten the bolts in sequence to 30 N·m (22 lb ft).
    3.2. Tighten the bolts an additional 155 degrees in sequence using the J 45059 meter .

    Object Number: 1825075  Size: SH
  6. Install the front cylinder head bolts and tighten to 30 N·m (22 lb ft).