Removal
REMOVAL - 4.0L
Only one sensor (1) is used with the 4.0L engine. It is attached to the top of the cylinder block below the intake manifold.
1. Remove intake manifold.
2. Disconnect knock sensor pigtail harness from engine wiring harness. This connection is made near front of engine (3).
3. Remove sensor mounting bolt (2). Note foam strip on bolt threads. This foam is used only to retain the bolt to sensor for plant assembly. It is not used as a sealant. Do not apply any adhesive, sealant or thread locking compound to this bolt.
4. Remove sensor from engine.