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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 878 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L And 6.2L - Introduction (2 Of 2)) >> Repair Instructions >> Knock Sensor 1 Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Engine Harness Components
    GM1699536Courtesy of GENERAL MOTORS CORP.
  1. Remove the left front wheel and tire. Refer to Tire and Wheel Removal and Installation .
  2. Working through the wheel well opening, disconnect the engine wiring harness electrical connector (4) from knock sensor.
    3. Fig 2: Left Side Knock Sensor & Bolt
    GM1402136Courtesy of GENERAL MOTORS CORP.
  3. Remove the knock sensor bolt (739) and knock sensor (718).
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