GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 Engine 🢒 Engine Mechanical - 3.1L 🢒 Engine Oil Pressure Sensor and/or Switch Replacement

Removal Procedure

    Object Number: 82225 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Disconnect the engine oil pressure sensor electrical connector.
  4. Remove the engine oil pressure sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 82225 Size: SH
  1. Install the engine oil pressure indicator switch.

    2. Tighten
    Tighten the switch to 16 N·m (12 lb ft).

  2. Connect the engine oil pressure sensor electrical connector.
  3. Lower the vehicle.
  4. Check and fill the crankcase as necessary. Refer to Engine Oil and Oil Filter Replacement .
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.