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Home >> Buick >> 2008 >> Allure Super >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 5.3L - Introduction (2 Of 2) >> Repair Instructions >> Knock Sensor Replacement >> Removal Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal Procedure

    Fig 1: Identifying Left Knock Sensor Electrical Connector
    GM1554554Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (LS4 GE47716 Fill) or Cooling System Draining and Filling (LS4 Static Fill) .
  2. Disconnect the left knock sensor electrical connector, if required.
    3. Fig 2: Identifying 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: Identifying 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: Identifying 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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