Removal Procedure
- Drain the cooling system. Refer to Cooling System Draining and Filling (9C1, 9C3 Static Fill) or Cooling System Draining and Filling (LZE, LZ4, LGD Static Fill) or Cooling System Draining and Filling (LZE, LZ4, LGD, 9C1, 9C3, GE47716 Fill) .
- Disconnect the left knock sensor electrical connector, if required.
- Remove the left knock sensor bolt, if required.
- Remove the left knock sensor, if required.
- Disconnect the right knock sensor electrical connector (2), if required.
- Remove the right knock sensor bolt, if required.
- Remove the right knock sensor, if required.