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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 357 (Engine Controls And Fuel - Hybrid (LZ1) - Repair Instructions) >> Repair Instructions >> Knock Sensor 1 Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Left Side Knock Sensor
    GM1402136Courtesy of GENERAL MOTORS CORP.
    CAUTION:

    Refer to Fastener Caution .

  1. Position the knock sensor (718) to the engine block and install the knock sensor bolt (739). Tighten the bolt to 25 N.m (18 lb ft).
    2. Fig 2: Knock Sensor Electrical Connector And Sleeve
    GM1965285Courtesy of GENERAL MOTORS CORP.
  2. Connect the engine wiring harness electrical connector (4) to knock sensor.
  3. Position the engine wiring harness sleeve (3) over the knock sensor electrical connection.
  4. Install the left front wheel and tire. Refer to Tire and Wheel Removal and Installation .
  5. If removed, install the left front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Left Side .
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