Oil Pressure Sensor: Service and Repair
Engine Oil Pressure Sensor and/or Switch Replacement (L99/LS3)
Special Tools
J 41712 Oil Pressure Sensor Socket
Removal Procedure
1. Remove the engine cover. Refer to Engine Cover Replacement (Service and Repair)
2. Clean area around the oil sensor/switch before removing it.
3. Remove the positive crankcase ventilation hose/pipe/tube. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Service and Repair)
4. Disconnect the electrical connector for the oil pressure sensor/switch (2).
5. Using the J 41712 (1) , remove the oil pressure sensor/switch.
Installation Procedure
1. If installing the old sensor, apply threadlocker sealant. Refer to Adhesives, Fluids, Lubricants, and Sealers (Adhesives, Fluids, Lubricants, and Sealers) for the correct part number.
Caution: Refer to Fastener Caution (Fastener Caution).
2. Using the J 41712 (1), install the oil pressure sensor/switch. Tighten the engine oil pressure sensor to 20 Nm (15 lb ft).
3. Reconnect the oil pressure sensor/switch electrical connector (2).
4. Install the vacuum hose for the power brake booster.
5. Install the left engine sight cover.