GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 STS 🢒 Engine 🢒 Engine Mechanical - 2.8L, 3.0L, 3.2L, or 3.6L 🢒 Cylinder Head Installation - Right Side

Cylinder Head Installation - Right Side LLT

Special Tools

J 45059 Angle Meter


    Object Number: 902817 Size: SH
  1. Ensure the cylinder head locating pins are securely mounted in the cylinder block deck face.
  2. Install a NEW right cylinder head gasket using the deck face locating pins for retention.

    3. Object Number: 1977926 Size: SH
  3. Align the right cylinder head with the deck face locating pins.
  4. Place the right cylinder head in position on the deck face.

    5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 2126651 Size: SH

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

    Important: DO NOT reuse the old cylinder head bolts.

  5. Install the NEW M11 cylinder head bolts (1).

    6. 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 150 degrees using the J 45059 .
  6. Install the NEW M8 cylinder head bolt (2).

    7. Tighten

    1. Tighten the M8 cylinder head bolt a first pass to 15 N·m (11 lb ft).
    2. Tighten the M8 cylinder head bolt a second pass an additional 75 degrees using the J 45059 .