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Home >> Hummer >> 2009 >> H3 Alpha >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 5.3L - Introduction >> Repair Instructions >> Knock Sensor 2 Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Right Side Knock Sensor & Bolt
    GM1402140Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  1. Position the knock sensor (718) to the engine block and install the bolt (739).

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

    2. Fig 2: Engine Wiring Harness Electrical Connector At Knock Sensor
    GM1899202Courtesy of GENERAL MOTORS CORP.
  2. Connect the engine wiring harness electrical connector (3) to the knock sensor.
  3. Lower the vehicle.
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