Oil Pressure Sensor: Service and Repair

Removal Procedure

- Tools Required
- J 41712 Oil Pressure Switch Socket





1. Disconnect the electrical connector at the engine oil pressure gauge sensor.
2. Hold the engine oil pressure sensor fitting with a wrench.

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

3. Remove the engine oil pressure gauge sensor using J 41712.





4. Remove the engine oil pressure gauge sensor fitting, if necessary.


Installation Procedure





1. Apply sealant GM P/N 12346004 or equivalent to the threads of the engine oil pressure sensor fitting.

Important: Do not lessen the oil pressure sensor fitting after the initial torque has been obtained.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the engine oil pressure sensor fitting.
- Tighten the engine oil pressure sensor fitting to 15 Nm (11 inch lbs.).

Important: Do not rotate the engine oil pressure sensor fitting more than 359° after the initial torque has been obtained.

3. Rotate the engine oil pressure sensor fitting clockwise to the proper position (1), 50° from the centerline (2).





4. Install the oil pressure gauge sensor.
5. Hold the oil pressure gauge sensor fitting with a wrench to prevent from turning.
- Using J 41712 tighten the oil pressure sensor to 30 Nm (22 ft. lbs.).
6. Install the electrical connector.