GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 Engine 🢒 Engine Controls and Fuel - 3.8L 🢒 Camshaft Position Sensor Replacement

Removal Procedure

    Object Number: 1686625 Size: SH
  1. Disconnect the engine harness electrical connector (3) from the camshaft position (CMP) sensor.

    2. Object Number: 153587 Size: SH
  2. Remove the CMP sensor bolt and sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 153587 Size: SH
  1. Install the camshaft position sensor and bolt.

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


    Object Number: 1686625 Size: SH
  2. Connect the engine harness electrical connector (3) to the CMP sensor.