Knock Sensor: Service and Repair

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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 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.