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Home >> Chevrolet >> 2005 >> Optra5 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - Introduction And Mechanical Repairs >> Repair Instructions >> Knock Sensor (KS) Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Knock Sensor And Electrical Connector
    GM1256162Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  1. Disconnect the negative battery cable.
  2. Raise and suitably support the vehicle.
  3. Disconnect electrical connector at the knock sensor (KS).
    4. Fig 2: View Of Knock Sensor And Mounting Bolt
    GM1256163Courtesy of GENERAL MOTORS CORP.
  4. Remove the bolt and the KS.
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