Removal

Fig. 5 Crankshaft sensor installation. 1988 Quad IV engine:

REMOVE OR DISCONNECT
1. Sensor harness connector at sensor.
2. Sensor to block bolt (1).
3. Sensor from engine.

Inspect
- Sensor O-ring for;
- Wear.
- Cracks.
- Leakage.
Replace the O-ring if necessary.

NOTE:
- Lubricate new O-ring with clean engine oil prior to installation.