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Home >> Chevrolet >> 2012 >> Chevy Express G1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 4.3L - Repair Instructions) >> Repair Instructions >> Knock Sensor 1 Replacement >> Installation Procedure

Installation Procedure

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    Fig 1: View Of Knock Sensor & Bolt
    GM1877015Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  1. Position the knock sensor to the engine block and install the bolt. Tighten to 25 N.m (18 lb ft)
    2. Fig 2: Identifying Knock Sensor Wiring Harness Electrical Connector
    GM1950124Courtesy of GENERAL MOTORS COMPANY
  2. Connect the engine wiring harness electrical connector (1) to the knock sensor.
  3. Position the knock sensor sleeve up and over the knock sensor, if equipped.
  4. Lower the vehicle.
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