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Home › Chevrolet › 2008 › Impala SS › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 5.3L - Introduction (2 Of 2) › Repair Instructions › Knock Sensor Replacement › Removal Procedure

Removal Procedure

    Fig 1: Left Knock Sensor Electrical Connector
    GM1554554Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (9C1, 9C3 Static Fill) .
  2. Disconnect the left knock sensor electrical connector, if required.
    3. Fig 2: Left Knock Sensor
    GM1551881Courtesy of GENERAL MOTORS CORP.
  3. Remove the left knock sensor bolt, if required.
  4. Remove the left knock sensor, if required.
    5. Fig 3: Crankshaft Position (CKP) Sensor Electrical Connector
    GM1554552Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the right knock sensor electrical connector (2), if required.
    6. Fig 4: Right Knock Sensor
    GM1551882Courtesy of GENERAL MOTORS CORP.
  6. Remove the right knock sensor bolt, if required.
  7. Remove the right knock sensor, if required.
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