GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 CTS - RHD 🢒 Engine 🢒 Engine Mechanical - 2.6L and 3.2L 🢒 Camshaft Cover Replacement - Left Side

Removal Procedure
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .
  2. Remove the left ignition coil. Refer to Ignition Coil Replacement - Bank 2 in Engine Controls-2.6L and 3.2L.

    3. Object Number: 785856 Size: SH
  3. Disconnect the following from the front of the throttle body heater inlet hose/pipe bracket.
    4. • The camshaft position (CMP) sensor connector
    • The left knock sensor connector (1)
    • The vacuum pipe retainer

    Object Number: 785786 Size: SH
  4. Disconnect the heated oxygen sensor connector (2) from the rear of the throttle body heater inlet hose/pipe (3).
  5. Remove the bolt securing the throttle body heater inlet hose/pipe to the engine rear lift bracket and position aside.

    6. Object Number: 769009 Size: SH
  6. Remove the left camshaft cover bolts (1).
  7. Remove the left camshaft cover (2) from the cylinder head.

    8. Important: Ensure all 8 sealing O-ring seals (4) are accounted for. The O-ring seals (4) may stick to the camshaft bearing caps or they may fall into the oil return journals in the cylinder head.

  8. Remove the left camshaft cover seals (3).
  9. Clean and inspect the cylinder head sealing surface.
  10. Clean and inspect the left camshaft cover. Refer to Camshaft Cover Cleaning and Inspection .

Installation Procedure

    Object Number: 345851 Size: SH
  1. Lightly coat the new O-ring seals with clean engine oil prior to installation to assist in holding the O-ring seals to the camshaft cover.
  2. Install the camshaft cover seals to the camshaft cover.

    3. Object Number: 345856 Size: SH
  3. Apply a thin coat of silicone sealer GM P/N 12346286 (Canadian P/N 10953472), to the corners of the front and back of the seals.

    4. Object Number: 803449 Size: SH
  4. Apply a 3 mm (0.12 in) bead of silicone sealer GM P/N 12346286 (Canadian P/N 10953472), at the front and rear of the camshaft cover between the seals.

    5. Object Number: 769009 Size: SH
  5. Position the camshaft cover (2) to the cylinder head, aligning the datum with the hole in the cylinder head.

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

  6. Install the camshaft cover bolts (1).

    7. Tighten
    Tighten the camshaft cover bolts to 8 N·m (71 lb in).

  7. Install the bolt securing the throttle body heater inlet hose/pipe to the engine rear lift bracket.

    8. Tighten
    Tighten the throttle body heater inlet hose/pipe bolts to 9 N·m (80 lb in).


    Object Number: 785786 Size: SH
  8. Connect the heated oxygen sensor connector (2) to the rear of the throttle body heater inlet hose/pipe (3).

    9. Object Number: 785856 Size: SH
  9. Connect the following to the front of the throttle body heater inlet hose/pipe bracket.
    10. • The CMP sensor connector
    • The left knock sensor connector (1)
    • The vacuum pipe retainer
  10. Install the left ignition coil. Refer to Ignition Coil Replacement - Bank 2 in Engine Controls-2.6L and 3.2L.
  11. Install the intake manifold. Refer to Intake Manifold Replacement .