Impala V8-5.3L (2008)
Knock Sensor: Service and Repair
Knock Sensor Replacement
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (9C1, 9C3 Static Fill) Cooling System Draining and Filling (LZE, LZ4,
LZG, 9C1, 9C3, GE47716 Fill) Cooling System Draining and Filling (LZE, LZ4, LZG, Static Fill).
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.