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

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.