SENSOR, Knock: Removal: 4.7L
- Remove the intake manifold. Refer to Engine/Manifolds/MANIFOLD, Intake - Removal
- Remove the knock sensor bolt.
- Remove the knock sensor (1).
- Disconnect the knock sensor wiring harness to the engine harness (1) at the rear of the intake manifold by pressing on lock tab (2).
- Thoroughly clean the knock sensor mounting hole.