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Home >> Chevrolet >> 2009 >> Malibu LS, 3.5 K >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.5L - Introduction >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Installation Procedure
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Installation Procedure

CAUTION: 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: View Of ECT Sensor
    GM1586322Courtesy of GENERAL MOTORS CORP.
  1. Coat the threads of the ECT sensor with sealer GM P/N 13246004 (Canadian P/N 10953480) or equivalent.
    2. CAUTION: Refer to Fastener Caution .
  2. Install the ECT sensor.

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

    3. Fig 2: Fuel Injector Wiring Harness Electrical Connector To ECT Sensor
    GM1775159Courtesy of GENERAL MOTORS CORP.
  3. Connect the fuel injector wiring harness electrical connector to the ECT sensor.
  4. Install the intake manifold cover, if necessary. Refer to Intake Manifold Cover Replacement .
  5. Fill the cooling system. Refer toCooling System Draining and Filling (Static Fill-LY7, LZE, LZ4) or Cooling System Draining and Filling (GE 47716) .
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