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Home >> Mazda >> 2011 >> 3 i SV, 2.0 G >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [LF, L5] >> Engine Coolant Temperature (ECT) Sensor Removal/Installation >> ECT Sensor No. 1
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ECT Sensor No. 1

  1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [LF, L5] ).
  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 [LF, L5] ).
  5. Disconnect the ECT sensor No. 1 connector.
  6. Remove the ECT sensor No. 1 using the SST.
  7. Install in the reverse order of removal.
  8. Refill the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS ).
    Fig 1: Removing ECT Sensor No. 1 Using SST With Torque Specifications
    G07868517Courtesy of MAZDA MOTORS CORP.
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