GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 45059 Angle Meter


    Object Number: 1403908  Size: SH

    Important: Do not use any sealing material.

  1. Install the cylinder head gasket to the block.
  2. Install the cylinder head.
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 412510  Size: SH

    Important: Always use new cylinder head bolts.

  4. Install and tighten the cylinder head bolts in sequence.
  5. Tighten

        • Tighten the bolts to 30 N·m (22 lb ft).
        • Tighten the bolts an additional 155 degrees in sequence. Use the J 45059 .

    Object Number: 412425  Size: SH
  6. Install the front cylinder head bolts.
  7. Tighten
    Tighten the cylinder head bolts to 35 N·m (26 lb ft).

Special Tools

J 45059 Angle Meter

For equivalent regional tools, refer to Special Tools.


    Object Number: 2148512  Size: SH

    Note: Do not use any sealing material.

  1. Install the cylinder head gasket (2) to the block.
  2. Install the cylinder head (1).
  3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 412510  Size: SH

    Note: Always use new cylinder head bolts.

  4. Install and tighten the cylinder head bolts in sequence.
  5. • Tighten the bolts to 30 N·m (22 lb ft).
    • Using the J 45059 meter , tighten the bolts an additional 155 degrees in sequence.

    Object Number: 2146376  Size: SH
  6. Install the front cylinder head bolts (1) and tighten to 35 N·m  (26 lb ft).