Cobalt L4-2.2L (2008)
Knock Sensor: Service and Repair
Knock Sensor Replacement
Removal Procedure
1. Remove the starter.
2. Disconnect the knock sensor (KS) harness connector.
3. Remove the KS retaining bolt.
4. Remove the KS.
Installation Procedure
Notice: Refer to Fastener Notice.
Important: The KS threaded surfaces must be clean before installation.
1. Install the knock sensor.
Tighten the knock sensor retaining bolt to 25 N.m (18 lb ft).
2. Connect the knock sensor harness connector.
3. Install the starter.
