Oil Pressure Sensor: Service and Repair

Engine Oil Pressure Sensor and/or Switch Replacement

- Tools Required
- J 41712 Oil Pressure Switch Socket

Removal Procedure





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

1. Disconnect the fuel pump/oil pressure sensor electrical connector (3).





2. Using J41712, remove the fuel pump/oil pressure sensor.





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

3. Remove the fuel pump/oil pressure sensor fitting, if necessary.

Installation Procedure





1. Apply sealant GM U.S. P/N 12346004, Canada P/N 10953480, or equivalent to the threads of the sensor fitting, if installing the old fitting.
2. Install the fuel pump/oil pressure sensor fitting until snug, if necessary.





Notice: Refer to Fastener Notice in Service Precautions.

3. Tighten the fuel pump/oil pressure sensor fitting.
3.1. Tighten the fuel pump/oil pressure sensor fitting to 5 Nm (11 ft. lbs.).
3.2. Increase torque until the centerline of the fitting (1) is 50 degrees from the centerline of the crankshaft (2).





4. Apply sealant GM U.S. P/N12346004, Canada P/N 10953480, or equivalent to the threads of the fuel pump/oil pressure sensor, if installing the old sensor.
5. Using J41712, install the fuel pump/oil pressure sensor.
- Tighten the fuel pump oil pressure sensor to 30 Nm (22 ft. lbs.).





6. Connect the fuel pump/oil pressure sensor electrical connector (3).
7. Check and adjust the engine oil level, if necessary.