Express 1500 RWD V6-4.3L VIN X (2005)
Knock Sensor: Service and Repair
KNOCK SENSOR (KS) REPLACEMENT
REMOVAL PROCEDURE
The knock sensor (KS) is located at the top rear of the engine.
1. Disconnect the negative battery cable.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
2. Remove the engine cover.
3. Disconnect the KS harness connector (3).
4. Remove the KS bolt (1).
5. Remove the KS (2).
INSTALLATION PROCEDURE
1. Install the knock sensor (2) and bolt (1).
NOTE: Refer to Component Fastener Tightening Notice in Service Precautions.
Tighten the knock sensor bolt to 25 N.m (18 lb ft).
2. Connect the KS harness connector (3).
3. Install the engine cover.
