Steps to remove and replace:
1. Disconnect battery.
2. Remove timing belt if necessary.
3. Remove two bolts from timing mechanism cover and pull cover off.
4. Locate sensor on underside of cover and remove bolt holding sensor in.
5. Disconnect wire harness from sensor and pull sensor straight out.
6. Check o-ring on sensor and replace if necessary.
7. Insert new sensor and push in until it bottoms out.
8. Replace bolt and reconnect wiring.
9. Reinstall timing mechanism cover and timing belt if necessary.
10. Reconnect battery.
