HHR L4-2.4L (2010)
Knock Sensor: Service and Repair
Knock Sensor Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Disconnect the knock sensor (KS) electrical connector (6).
3. Remove the KS bolt.
4. Remove the KS.
Installation Procedure
Note: Rotate the pigtail 90 degrees from vertical before securing the fastener.