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Home › Buick › 2006 › Lucerne CX › Repair and Diagnosis › Engine Performance › System › Engine Controls - 3.8L - Introduction (2 Of 2) › Repair Instructions › Knock Sensor 2 Replacement › Installation Procedure

Installation Procedure

    Fig 1: Identifying Knock Sensor (KS)
    GM1694036Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
    IMPORTANT: DO NOT apply thread sealant to sensor threads. The sensor is coated at factory and applying additional sealant will affect the sensors ability to detect detonation.
  1. Install the knock sensor.

    Tighten:  Tighten the sensor to 18 N.m (13 lb ft).

    2. Fig 2: Identifying Knock Sensor Wiring Harness & Electrical Connector
    GM1694057Courtesy of GENERAL MOTORS CORP.
  2. Connect the knock sensor wiring harness electrical connector to the knock sensor.
    3. Fig 3: View Of Knock Sensor 2 Heat Shield Bolts & Shield
    GM1694038Courtesy of GENERAL MOTORS CORP.
  3. Install the knock sensor heat shield and bolts.

    Tighten:  Tighten the bolts to 60 N.m (44 lb ft).

  4. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac-N-Fill) .
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