Knock Sensor: Service and Repair

Knock Sensor (KS) - 3.5L GTDI

NOTE: LH cylinder head removed from art for clarity.











Removal and Installation

1. Remove the coolant inlet pipe. For additional information, refer to Coolant Inlet Pipe - 3.5L Gasoline Turbocharged Direct Injection (GTDI) in Engine Cooling Service and Repair.

2. Remove the fuel rail. For additional information, refer to Fuel Rail - 3.5L GTDI in Fuel Charging and Controls - 3.5L/3.5L GTDI Fuel Rail.

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

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

5. To install, reverse the removal procedure.