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Home >> Hummer >> 2008 >> H3 Alpha >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 5.3L - Introduction (2 Of 2) >> Repair Instructions >> Knock Sensor 1 Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Left Side Knock Sensor & Bolt
    GM1402136Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  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 & Knock Sensor
    GM1899640Courtesy of GENERAL MOTORS CORP.
  2. Connect the engine wiring harness electrical connector (2) to the knock sensor (1).
  3. Lower the vehicle.
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