GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 41712 Oil Pressure Switch Socket

Removal Procedure

Note: Clean the area around the oil pressure sensor. Do not allow debris to enter the engine.


    Object Number: 1937915  Size: SH
  1. Disconnect the oil pressure sensor electrical connector (1).

  2. Object Number: 1956099  Size: SH
  3. Using J 41712 , remove the fuel pump/oil pressure sensor.

  4. Object Number: 1948558  Size: SH

    Note: Note the alignment of the engine oil pressure sensor fitting prior to removal.

  5. Remove the oil pressure sensor fitting (1), if necessary.

Installation Procedure


    Object Number: 1948558  Size: SH
  1. If installing the old oil pressure sensor fitting (1), apply sealant to the threads of the fitting. Refer to Adhesives, Fluids, Lubricants, and Sealers for the correct part number.
  2. Install the old oil pressure sensor fitting until snug, if necessary.
  3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1956099  Size: SH
  4. Tighten the oil pressure sensor fitting.
  5. 3.1. Tighten the fitting to 15 N·m (11 lb ft).
    3.2. Increase torque until the centerline of the fitting (1) is 50 degrees from the centerline of the crankshaft (2).

    Object Number: 348085  Size: SH
  6. If installing the old sensor, apply sealant to the threads of the sensor. Refer to Adhesives, Fluids, Lubricants, and Sealers for the correct part number.
  7. Using J 41712 , install the sensor and tighten to 30 N·m (22 lb ft).

  8. Object Number: 1937915  Size: SH
  9. Connect the oil pressure sensor electrical connector (1).
  10. Check and adjust the engine oil level, if necessary.