Sensor, Knock: Removal: 5.7L

Two knock sensors are used. Each knock sensor is bolted to the outside of the cylinder block below the exhaust manifold.

1. Raise and support the vehicle.

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2. Disconnect the knock sensor (1) wire harness connector (5).
3. Remove the knock sensor retaining bolt (2).
   NOTE:

   Note the foam strip on bolt threads. This foam strip 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.

4. Remove the knock sensor (1) from the cylinder block.