Park Avenue V6-3.8L SC VIN 1 (2005)
Knock Sensor: Service and Repair
Knock Sensor (KS) 2 Replacement
KNOCK SENSOR (KS) 2 REPLACEMENT
REMOVAL PROCEDURE
CAUTION: Hot engine coolant may cause severe burns. Although the cooling system has been drained, coolant still remains in the engine
water jacket. This coolant will drain with the removal of the knock sensor.
1. Turn OFF the ignition switch.
2. Raise the vehicle. Refer to Vehicle Lifting.
3. Remove the bolts from the splash shield.
4. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
5. Remove the bolts (2) from the knock sensor heat shield (1) located under the freeze plug (or block heater if equipped).
6. Disconnect the knock sensor wiring harness connector (3) from the knock sensor (4).
7. Remove the knock sensor (2) from the engine block (1).
INSTALLATION PROCEDURE
IMPORTANT: DO NOT apply thread sealant to sensor threads. The sensor is coated at factory and applying additional sealant will affect the
sensor's ability to detect detonation.
1. Install the knock sensor (2) into the engine block (1).
NOTE: Refer to Fastener Notice in Service Precautions.
