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Home >> Buick >> 2009 >> Lucerne Super >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L - Introduction >> Repair Instructions >> Knock Sensor Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Knock Sensor
    GM1672563Courtesy of GENERAL MOTORS CORP.
    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 CORP.
  2. Connect the electrical connector (2) to the left knock sensor, if required.
    3. Fig 3: Identifying Electrical Connectors
    GM1672557Courtesy of GENERAL MOTORS CORP.
  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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