GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 LaCrosse 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Engine Oil Level Sensor and/or Switch Replacement

Removal Procedure

    Object Number: 1551872 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Drain the oil from the oil pan.
  3. Disconnect the oil level sensor electrical connector.

    4. Object Number: 1411954 Size: SH
  4. Remove the oil level sensor bolt (751).
  5. Remove the oil level sensor (727) and O-ring (728) from the oil pan.

Installation Procedure

    Object Number: 1411954 Size: SH
  1. Install the oil level sensor (727) and O-ring (728) to the oil pan.

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

  2. Install the oil level sensor bolt (751).

    3. Tighten
    Tighten the bolt to 20 N·m (15 lb ft).


    Object Number: 1551872 Size: SH
  3. Connect the oil level sensor electrical connector.
  4. Lower the vehicle.
  5. Refill the engine oil to the proper level.