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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L (Introduction) >> Repair Instructions >> Knock Sensor (KS) 2 Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Knock Sensor 2 Electrical Connector
    GM1236370Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system/engine block. Refer to Draining and Filling Cooling System in Engine Cooling.
  2. Disconnect the knock sensor electrical connector (3).
  3. Fig 2: View Of Knock Sensor 2
    GM858222Courtesy of GENERAL MOTORS CORP.
  4. Remove the knock sensor.