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Home >> Chevrolet >> 2008 >> HHR L4-2.4L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Sensors and Switches - Computers and Control Systems >> Knock Sensor >> Service and Repair
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Knock Sensor: Service and Repair



Knock Sensor Replacement

Removal Procedure





1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .
2. Disconnect the knock sensor (KS) electrical connector (6).




3. Remove the KS bolt.
4. Remove the KS.



Installation Procedure

Important: Rotate the pigtail 90 degrees from vertical before securing the fastener.







1. Install the KS.
Notice: Refer to Fastener Notice (Fastener Notice) .


2. Install the KS bolt.

Tighten the bolt to 25 N.m (18 lb ft).





3. Connect the KS electrical connector (6).
4. Lower the vehicle.


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