GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Intrigue 🢒 Engine 🢒 Engine Mechanical - 3.5L 🢒 Cylinder Head Removal

Cylinder Head Removal Left


    Object Number: 233205 Size: SH
  1. Remove the heater outlet pipe rear bolt.

    2. Object Number: 326337 Size: SH
  2. Remove the heater outlet pipe front bolt.
  3. Remove the heater outlet pipe.

    4. Object Number: 326359 Size: SH
  4. Remove the rear torque strut mounting bracket from the left cylinder head.

    5. Object Number: 233787 Size: SH
  5. Remove the M6 external drive bolts (1, 3) from the front portion of the left cylinder head. Note the location of the longer M6 bolt (1).

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

  6. Remove and discard the M11 internal drive cylinder head bolts (2).
  7. Remove the left cylinder head. Ensure that no dowel guide pins are stuck in the left cylinder head.

    8. Object Number: 233785 Size: SH
  8. Remove the left cylinder head gasket. Ensure that all of the gasket material is removed.
  9. Place the left cylinder head on a flat, clean surface with the combustion chambers face-up in order to prevent damage to the deck face.

Cylinder Head Removal Right


    Object Number: 576528 Size: SH
  1. Remove the M6 external drive bolts (1, 3) from the front portion of the right cylinder head. Note the location of the longer M6 bolt (1).

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

  2. Remove and discard the M11 internal drive cylinder head bolts (2).
  3. Remove the right cylinder head. Ensure that no dowel guide pins are stuck in the right cylinder head.

    4. Object Number: 576533 Size: SH
  4. Remove the right cylinder head gasket. Ensure that all of the gasket material is removed.
  5. Place the right cylinder head on a flat, clean surface with the combustion chambers face-up in order to prevent damage to the deck face.