Operation CHARM: Car repair manuals for everyone.

Knock Sensor - Installation






4.7L





1. Thoroughly clean the knock sensor mounting hole.
2. Position the knock sensor (1) in place.

NOTE: Over or under tightening the sensor mounting bolts will affect knock sensor performance, possibly causing improper spark control. Always use the specified torque when installing the knock sensors.

NOTE: Note the 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.

3. Tighten the knock sensor retaining bolt to 20 Nm (15 ft. lbs.).





4. Connect the knock sensor electrical connector (1) to the engine harness located at the back of the engine.
5. Install the intake manifold Intake Manifold - Installation