Sensor, Knock: Removal: 6.2L

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

1. Disconnect and isolate the negative battery cable.
2. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
3. Remove the front skid plate. Refer to PLATE, SKID, FRONT .

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4. Remove the heat shield (1) from knock sensor (shield snaps onto sensor).

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5. Disconnect the knock sensor wire harness connector (5).
   NOTE:

   Note the foam strip on the knock sensor retaining bolt threads. This foam is only used to retain the bolts to the knock 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 bolt (2) and the knock sensor from the cylinder block.