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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 409 (Engine Controls - 4.3L (Introduction)) >> Repair Instructions >> Knock Sensor (KS) Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the knock sensor (2).
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the knock sensor bolt (1).

    Tighten:  Tighten the bolt to 25 N.m (18 lb ft).

  3. Fig 1: Locating Knock Sensor & Retaining Bolt
    GM679284Courtesy of GENERAL MOTORS CORP.
  4. Connect the knock sensor electrical connector (1).
  5. Fig 2: View Of Ground Strap And CMP & Fuel Pump/Oil Pressure Sensor Connectors
    GM782680Courtesy of GENERAL MOTORS CORP.
  6. Install the distributor. Refer to Distributor Replacement .