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Home › Mazda › 2011 › 3 Mazdaspeed, 2.3 3 › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System [L3 With TC] › Engine Coolant Temperature (ECT) Sensor Removal/Installation › ECT Sensor No. 1

ECT Sensor No. 1

  1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [L3 WITH TC] ).
  2. Disconnect the negative battery cable.
  3. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS ).
  4. Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [L3 WITH TC] ).
  5. Remove the air cleaner. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION ).
  6. Remove the air duct. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION ).
  7. Disconnect the ECT sensor No. 1 connector.
  8. Remove the ECT sensor No. 1.
  9. Install in the reverse order of removal.
  10. Refill the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS ).
    Fig 1: ECT Sensor No. 1 And Water Bypass Tube With Torque Specifications
    G07868463Courtesy of MAZDA MOTORS CORP.
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