GM Service Manual Online
For 1990-2009 cars only

Engine Oil Pressure Sensor or Switch Replacement 2.4L (LD9)

Tools Required

J 35749 Oil Pressure Switch Socket

Removal Procedure

  1. Turn off the ignition.

  2. Object Number: 12956  Size: SH
  3. Remove the oil pressure sensor connector.
  4. Remove the engine oil pressure sensor (1) using the J 35749

Installation Procedure

  1. Coat the sensor threads with sealer.

  2. Object Number: 12956  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the oil pressure sensor (1) with the J 35749
  4. Tighten
    Tighten the sensor to 12 N·m (106 lb in).

  5. Reconnect the oil pressure sensor connector.

Engine Oil Pressure Sensor or Switch Replacement 3.4L (LA1)

Removal Procedure


    Object Number: 82225  Size: SH
  1. Turn OFF the ignition switch.
  2. Caution: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Disconnect the electrical connector from the engine oil pressure sensor.
  5. Remove the engine oil pressure sensor.

Installation Procedure


    Object Number: 82225  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the engine oil pressure sensor.
  2. Tighten
    The oil pressure sensor to 16 N·m (12 lb ft).

  3. Connect the electrical connector to the engine oil pressure sensor.
  4. Lower the vehicle.