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Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System 3.4L (Introduction)) >> Repair Instructions >> Knock Sensor (KS) Replacement >> Removal Procedure
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Removal Procedure

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  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the knock sensor wiring harness electrical connector.
  3. Remove the knock sensor.
  4. Fig 1: Removing Knock Sensor
    GM12755Courtesy of GENERAL MOTORS CORP.