GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Terraza - 4WD 🢒 Engine 🢒 Engine Mechanical - 3.9L 🢒 Engine Oil Level Sensor and/or Switch Replacement

Removal Procedure

    Object Number: 1556785 Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the oil pan drain plug.
  3. Drain the crankcase.
  4. Reinstall the oil pan drain plug.

    5. Object Number: 1677214 Size: SH
  5. Disconnect the engine oil level sensor electrical connector.

    6. Object Number: 1609235 Size: SH
  6. Remove the engine oil level sensor bolt and sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1609235 Size: SH
  1. Install the engine oil level sensor and bolt .

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


    Object Number: 1677214 Size: SH
  2. Connect the engine oil level sensor electrical connector.
  3. Lower the vehicle.
  4. Refill the crankcase with new engine oil.