TrailBlazer 4WD L6-4.2L VIN S (2002)
Oil Level Sensor: Service and Repair
Engine Oil Level Sensor and/or Switch Replacement
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the engine oil pan drain plug and drain the engine oil.
3. Remove the engine protection shield mounting bolts.
4. Remove the engine protection shield.
5. Disconnect the electrical connector from the engine oil level sensor.
6. Remove the engine oil level sensor mounting bolt.
7. Remove the engine oil level sensor.