Knock Sensor: Service and Repair

REMOVAL




1. Record preset radio stations.
2. Ignition Off.
3. Disconnect negative battery cable.
4. Remove knock sensor harness connector.
5. Remove knock sensor connector from retaining clip by inserting a flat-bladed screwdriver between connector and clip while sliding the connector upward.
6. Remove knock sensor.

INSTALLATION

NOTE: If a new knock sensor pigtail connector retaining clip is going to be used, the old one must be removed from the intake manifold. Use a push pin removal tool to remove the clip from the intake manifold.




1. Insert knock sensor pigtail connector with retaining clip into intake manifold hole or slide knock sensor pigtail connector over retaining clip from the top.
2. Connect knock sensor harness connector. Push in connector until a click is heard, then pull back to confirm a positive engagement.

IMPORTANT: The larger metal contact area of the knock sensor MUST be toward the engine block. DTC P0325 may result if the sensor is installed backwards.

3. Install knock sensor at the 9 o'clock position and attachment bolt.

Torque:
Knock Sensor-to-Engine Block Bolt: 25 N.m (18 ft-lbs)

4. Connect negative battery cable.

Torque:
Battery Terminal Bolts: 17 N.m (13 ft-lbs)

5. Reset clock and preset radio stations.