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Home >> GMC >> 2002 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L >> Repair Instructions >> Knock Sensor (KS) 1 Replacement >> Removal Procedure
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Removal Procedure

  1. Raise the vehicle.
  2. Remove the wiring harness connector (1) from the knock sensor (KS) (2).
  3. Remove the KS (2) from the engine block.
    Fig 1: Knock Sensor & Harness Connector
    G01599014Courtesy of GENERAL MOTORS CORP.
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