Knock Sensor - Removal

3.6L






NOTE: The forward sensor (1) is known to the powertrain control module (PCM) as knock sensor 1. The rear sensor (3) is known to the PCM as knock sensor 2.

1. Perform the fuel pressure release procedure Service and Repair.
2. Disconnect and isolate the negative battery cable.
3. Drain the cooling system Service and Repair.
4. Remove the air cleaner housing assembly, upper and lower intake manifolds and the oil filter housing Oil Filter Housing - Removal
5. Remove the knock sensor electrical connector (4).

NOTE: There may be a foam strip on the bolt threads. This foam is used only to retain the bolts to the sensors for plant assembly. It is not used as a sealant. Do not apply any adhesive, sealant or thread locking compound to these bolts.

6. Remove the retaining bolt (2) and knock sensor 1 (1) or knock sensor 2 (3).