Impala V8-5.3L VIN C (2006)
Knock Sensor: Service and Repair
KNOCK SENSOR (KS) REPLACEMENT
REMOVAL PROCEDURE
1. Drain the cooling system. Refer to Draining and Filling Cooling System (LS4 Static Fill) Draining and Filling Cooling System (LZE, LZ4, LZ9
Static Fill) Draining and Filling Cooling System (9C1, 9C3 Static Fill) Draining and Filling Cooling System (LS4 GE 47716 Fill) Draining and
Filling Cooling System (LZE, LZ4, LZ9, 9C1, 9C3 GE 4771 Fill). See: Engine, Cooling and Exhaust/Cooling System/Service and Repair
2. Disconnect the left knock sensor electrical connector, if required.
3. Remove the left knock sensor bolt, if required.
4. Remove the left knock sensor, if required.
