SENSOR, Knock: Removal: 5.7L
Two knock sensors (1) are used. Each sensor is bolted to the outside of cylinder block below the exhaust manifold (3).
- Disconnect and isolate the negative battery cable.
- Raise vehicle.
- Disconnect knock sensor electrical connector (5).
- Remove sensor mounting bolt (2). Note foam strip on bolt threads. This foam is used only to retain the bolts to sensors for plant assembly. It is not used as a sealant. Do not apply any adhesive, sealant or thread locking compound to these bolts.
- Remove sensor from engine.