GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H3 🢒 Engine 🢒 Engine Mechanical - 3.7L 🢒 Camshaft Position Sensor Replacement - Exhaust

Removal Procedure

    Object Number: 1350714 Size: SH
  1. Disconnect the engine wiring harness electrical connector (4) from the exhaust camshaft position (CMP) sensor (5).

    2. Object Number: 858172 Size: SH
  2. Remove the exhaust CMP sensor retaining bolt.
  3. Remove the exhaust CMP sensor from the cylinder head.

    4. Discard the O-ring seal.

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

    3. Object Number: 858172 Size: SH
  3. Install the exhaust CMP sensor into the cylinder head.

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

  4. Install the exhaust CMP sensor bolt.

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


    Object Number: 1350714 Size: SH
  5. Connect the engine wiring harness electrical connector (4) to the exhaust CMP sensor (5).