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Home >> Buick >> 2011 >> Lucerne Super >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 4.6L - Repair Instructions >> Repair Instructions >> Knock Sensor Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Identifying Knock Sensor
    GM1672563Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  1. Install the appropriate knock sensor.

    Tighten 

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

    2. Fig 2: Identifying CKP Sensor Wiring Harness Electrical Connector
    GM1672558Courtesy of GENERAL MOTORS COMPANY
  2. Connect the electrical connector (2) to the left knock sensor, if required.
    3. Fig 3: Identifying Electrical Connector
    GM1672557Courtesy of GENERAL MOTORS COMPANY
  3. Connect the electrical connector (3) to the right knock sensor, if required.
  4. Install the intake manifold. Refer to Intake Manifold Replacement .
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