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Home >> Hummer >> 2005 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Knock Sensor (KS) Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Identifying Knock Sensors
    GM54612Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the knock sensor.

    Tighten:  Torque the sensor to 20 N.m (15 lb ft).

  2. Fig 2: Knock Sensor Wiring Harness Assembly
    GM54608Courtesy of GENERAL MOTORS CORP.
  3. Install the knock sensor wiring harness assembly.
  4. Install the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical.