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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls And Fuel - 3.5L - Repair Instructions) >> Repair Instructions >> Knock Sensor Replacement - Bank 1 >> Removal Procedure

Removal Procedure

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    Fig 1: Identifying Electrical Connector
    GM1612884Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the left knock sensor electrical connector (1).
    3. Fig 2: Identifying Knock Sensor
    GM1800585Courtesy of GENERAL MOTORS CORP.
  3. Loosen and remove the knock sensor.
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