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Home >> Chevrolet >> 2004 >> Optra Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - Repair Instructions >> Repair Instructions >> Knock Sensor Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Knock Sensor And Mounting Bolt
    GM1256163Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  1. Install the KS with the bolt.

    Tighten:  Tighten the KS bolt to 20 N.m (15 lb ft)  .

  2. Fig 2: View Of Knock Sensor And Electrical Connector
    GM1256162Courtesy of GENERAL MOTORS CORP.
  3. Connect the electrical connector at the KS.
  4. Lower the vehicle.
  5. Connect the negative battery cable.