1. Disconnect and isolate the negative battery cable.
2. Remove the accessory drive belt. Refer to BELT, SERPENTINE, REMOVAL .
3. Remove the upper generator mounting bolt.
4. Raise and support the vehicle.
5. Remove the belly pan retainers (1) and remove the belly pan.
6. Remove the lower generator retaining bolts (1).
7. Lower the vehicle.
8. Position the generator aside to gain access to the oil pressure sensor.
9. Disconnect the oil pressure sensor electrical connector (1).
10. Remove the oil pressure sensor (1).