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Home >> Chevrolet >> 2006 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.4L DOHC >> Repair Instructions >> Knock Sensor (KS) Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Knock Sensor, Intake Manifold Support Bracket, And Bolt
    GM1289475Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  1. Disconnect the negative battery cable.
  2. Remove the intake manifold support bracket bolts.
  3. Remove the intake manifold support bracket.
    4. Fig 2: View Of Knock Sensor
    GM1289476Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the knock sensor (KS) electrical connector.
  5. Remove the KS bolt.
  6. Remove the KS.
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