GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Sierra - 4WD 🢒 Preface 🢒 Cautions and Notices 🢒 Camshaft Position Actuator Magnet Replacement

Removal Procedure

    Object Number: 1658168 Size: SH
  1. Remove the water pump. Refer to Water Pump Replacement .
  2. Disconnect the engine harness electrical connector from the camshaft position (CMP) actuator magnet.
  3. Remove the CMP actuator magnet bolts (751) and magnet (752).
  4. Remove and discard the CMP actuator magnet gasket (753).

Installation Procedure

Important: The gasket surface should be free of oil or other foreign material during assembly.


    Object Number: 1658168 Size: SH
  1. Install a NEW CMP actuator magnet gasket (753) onto the CMP actuator magnet.
  2. Install the CMP actuator magnet (752) to the front cover.

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

  3. Install the CMP actuator magnet bolts (751).

    4. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

  4. Connect the engine harness electrical connector to the CMP actuator magnet.
  5. Install the water pump. Refer to Water Pump Replacement .