Knock Sensor: Service and Repair

Knock Sensor (KS) - 3.7L





NOTE: LH cylinder head removed from art for clarity.











Removal and Installation

1. Remove the thermostat housing. For additional information, refer to Cooling System &/or Engine Block Heater.

2. Remove the lower intake manifold. For additional information, refer to Engine.

3. Remove the coolant tube.
- Discard the O-ring seal.

4. Disconnect the Knock Sensor (KS) electrical connector.

5. Remove the 2 bolts and the KS.
- To install, tighten to 20 Nm (177 lb-in).

6. To install, reverse the removal procedure.
- Lubricate the new O-ring seal with clean engine coolant.