GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Allure 🢒 Body 🢒 Wiring Systems 🢒 Engine Oil Pressure Sensor and/or Switch Replacement

Removal Procedure
  1. Remove the lower air baffle and deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement.

    2. Object Number: 1394025 Size: SH
  2. Disconnect the oil pressure sensor electrical connector.

    3. Object Number: 1401653 Size: SH
  3. Remove the oil pressure sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1401653 Size: SH
  1. Install the oil pressure sensor.

    2. Tighten
    Tighten the oil pressure sensor to 20 N·m (15 lb ft).


    Object Number: 1394025 Size: SH
  2. Connect the oil pressure sensor electrical connector.
  3. Install the lower air baffle and deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement.