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Home >> Cadillac >> 2009 >> STS Base, 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L - Introduction >> Repair Instructions >> Knock Sensor 1 Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Intake Manifold & Bolts
    GM928175Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .
    2. Fig 2: View Of Knock Sensors & Electrical Connectors
    GM1284306Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the knock sensor (KS) electrical connector (2).
  3. Remove the KS bolt.
  4. Remove the KS (1).
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