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Home >> Chevrolet >> 2004 >> Malibu Maxx >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) - 3.5L (Lx9) >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Installation Procedure

Installation Procedure

NOTE: Replacement components must be the correct part number for the application. Components requiring the use of the thread locking compound, lubricants, corrosion inhibitors, or sealants are identified in the service procedure. Some replacement components may come with these coatings already applied. Do not use these coatings on components unless specified. These coatings can affect the final torque, which may affect the operation of the component. Use the correct torque specification when installing components in order to avoid damage.
    Fig 1: Installing ECT Sensor
    GM1275978Courtesy of GENERAL MOTORS CORP.
  1. Coat the threads with sealer GM P/N 13246004 (Canadian P/N 10953480) or equivalent.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the ECT sensor.

    Tighten:  Tighten the ECT sensor to 20 N.m (15 lb ft).

  3. Connect the ECT electrical connector.
  4. Fill the cooling system. Refer to Draining and Filling Cooling System (L61) or Draining and Filling Cooling System (LX9) in Engine Cooling.
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