GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H3 🢒 Engine 🢒 Engine Controls and Fuel - 3.7L 🢒 Camshaft Position Sensor Replacement - Intake

Removal Procedure

    Object Number: 1350719 Size: SH
  1. Disconnect the engine wiring harness electrical connector from the intake camshaft position (CMP) sensor.

    2. Object Number: 858173 Size: SH
  2. Remove the intake CMP sensor retaining bolt.
  3. Remove the intake CMP sensor from the cylinder head.

    4. Discard the O-ring seal.

Installation Procedure
  1. Install a new O-ring seal to the intake CMP sensor.
  2. Lightly lubricate the O-ring seal with clean engine oil.

    3. Object Number: 858173 Size: SH
  3. Install the intake CMP sensor into the cylinder head.
  4. Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the CMP sensor bolt threads.

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

  5. Install the intake CMP sensor bolt.

    6. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 1350719 Size: SH
  6. Connect the engine wiring harness electrical connector to the intake CMP sensor.