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Home >> Saturn >> 2007 >> Vue Green Line >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.4L (Lat) - Introduction (2 Of 2) >> Repair Instructions >> Engine Coolant Temperature 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.
NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
    Fig 1: Locating ECT Sensor
    GM1812215Courtesy of GENERAL MOTORS CORP.
  1. If reinstalling the original sensor, or if installing a NEW sensor without a sealer, coat the threads with sealant. Refer to Sealers, Adhesives, and Lubricants .
    2. NOTE: Refer to Fastener Notice .
  2. Install the ECT sensor.

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

    3. Fig 2: Auxiliary Heater Water Pump Bolt And Pump
    GM1814527Courtesy of GENERAL MOTORS CORP.
  3. Position the auxiliary heater water pump to the transaxle and install the bolt.

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

    4. Fig 3: Identifying Engine Wiring Harness Electrical Connector
    GM1812206Courtesy of GENERAL MOTORS CORP.
  4. Connect the engine wiring harness electrical connector (1) to the ECT sensor.
  5. Connect the engine wiring harness electrical connector (2) to the auxiliary heater water pump.
  6. Lower the vehicle.
  7. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (GE 47716 Fill) .
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