Knock Sensor - Removal

2.7L










WARNING: Do not remove pressure cap with the system hot and under pressure because serious burns from coolant can occur.

1. Drain cooling system Service and Repair.
2. Disconnect and isolate the negative battery cable.
3. Remove lower intake manifold Intake Manifold - Removal.
4. Remove radiator upper hose (3) at water housing outlet tube (4).
5. Remove heater hose (5) from water housing outlet tube (4) at rear of engine.
6. Disconnect water housing outlet tube (4) from retaining clip (6) at rear of engine.
7. Disconnect electrical connector (2) from coolant temperature sensor.
8. Remove 4 bolts (1) attaching water housing outlet tube (4) to cylinder heads.





9. Disconnect electrical connector from knock sensor.










10. Reposition the water housing outlet tube and remove nut (2) from knock sensor mounting stud (1).
11. Remove knock sensor (3) from engine block.