GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 G8 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Cylinder Head Installation - Right Side

Special Tools

    • EN 46111 Crankshaft Rotation Socket
    • J 45059 Angle Meter
        For equivalent regional tools, refer to Special Tools.

    Note: Make sure that the crankshaft is in the timing drive assembly position using the EN 46111 socket .

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

    2. Object Number: 1958865 Size: SH
  2. Install a NEW right cylinder head gasket (1) using the deck face locating pins for retention.

    3. Object Number: 1958862 Size: SH
  3. Align the right cylinder head (2) with the deck face locating pins.
  4. Place the right cylinder head (2) in position on the deck face.

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

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

  5. Loosely install the NEW M11 and M8 cylinder head to cylinder block retaining bolts (1).

    6. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1961663 Size: SH
  6. Tighten the cylinder head to cylinder block retaining bolts in the sequence shown.
  7. Tighten the M11 cylinder head to cylinder block retaining bolts a first pass in sequence to 45 N·m (33 lb ft).
    8. 7.1. Back off the M11 cylinder head to cylinder block retaining bolts 120 degrees using the J 45059 meter .
    7.2. Tighten the M11 cylinder head to cylinder block retaining bolts a second pass in sequence to 30 N·m (22 lb ft).
    7.3. Tighten the M11 cylinder head to cylinder block retaining bolts a third pass in sequence an additional 150 degrees using the J 45059 meter .
  8. Install the 2 front M8 left cylinder head to cylinder block retaining bolts (9, 10).

    9. Tighten the M8 cylinder head to cylinder block retaining bolts (9, 10) a first pass to 15 N·m (11 lb ft).

    Tighten the M8 cylinder head to cylinder block retaining bolts (9, 10) a second pass in sequence an additional 60 degrees using the J 45059 meter .