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Chevrolet
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2011
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HHR LT, 2.2 W, Standard
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Engine Controls And Fuel - 2.2L Or 2.4L - Repair Instructions
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Repair Instructions
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Knock Sensor Replacement
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Removal Procedure
Removal Procedure
Fig 1: Engine Harness And Components
Courtesy of GENERAL MOTORS COMPANY
Raise and suitably support the vehicle. Refer to
Lifting and Jacking the Vehicle
.
Disconnect the knock sensor (KS) electrical connector (6).
Fig 2: Identifying Knock Sensor
Courtesy of GENERAL MOTORS COMPANY
Remove the KS bolt.
Remove the KS.