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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 229 (Engine Control System & Fuel - Hybrid (Hp2) 6.0L (LFA) - Introduction (2 Of 2)) >> Repair Instructions >> Knock Sensor 1 Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
    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 knock sensor bolt (739).

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

    2. Fig 2: Locating Knock Sensor Electrical Connector & 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 .
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