Silverado 3500 2WD V8-8.1L VIN G (2005)
Knock Sensor: Service and Repair
Knock Sensor (KS) 2 Replacement
KNOCK SENSOR (KS) 2 REPLACEMENT
REMOVAL PROCEDURE
1. Drain the cooling system/engine block. Refer to Draining and Filling Cooling System (w/RPO HP2) Draining and Filling Cooling System (w/o
RPO HP2) in Cooling System.
2. Disconnect the knock sensor electrical connector (3).
3. Remove the knock sensor.
INSTALLATION PROCEDURE
1. Install the knock sensor.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the sensor to 20 N.m (15 lb ft).
2. Connect the knock sensor electrical connector (3).
3. Fill the cooling system/engine block. Refer to Draining and Filling Cooling System (w/RPO HP2) Draining and Filling Cooling System (w/o RPO
HP2) in Cooling System.
