GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 HHR 🢒 Engine 🢒 Engine Electrical 🢒 Camshaft Cover Replacement

Removal Procedure

    Object Number: 1631138 Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  2. Reposition the positive crankcase ventilation (PCV) hose clamp.
  3. Remove the PCV hose from the cover.

    4. Object Number: 1628020 Size: SH
  4. Disconnect the intake (2) and exhaust (1) camshaft position actuator solenoid valve electrical connectors.

    5. Object Number: 1631141 Size: SH
  5. Remove the ignition coils. Refer to Ignition Coil Replacement .
  6. Remove the engine harness clips (1, 2) from the cover.

    7. Object Number: 1578306 Size: SH
  7. Remove the camshaft cover bolts.
  8. Remove the camshaft cover.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1578306 Size: SH
  1. Install the camshaft cover and bolts.

    2. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 1631141 Size: SH
  2. Install the ignition coils. Refer to Ignition Coil Replacement .
  3. Install the engine harness clips (1,2 ) to the cover.

    4. Object Number: 1628020 Size: SH
  4. Connect the intake (2) and exhaust (1) camshaft position actuator solenoid valve electrical connectors.

    5. Object Number: 1631138 Size: SH
  5. Install the PCV hose to the cover.
  6. Position the PCV hose clamp.
  7. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .