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Home >> Mazda >> 2014 >> 3 SV, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Coolant Temperature (ECT) Sensor Removal/Installation >> ECT Sensor No. 1
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ECT Sensor No. 1

  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  2. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  3. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  4. Pull out the evaporative hose No. 1 from the catch tank and set it aside.
    Fig 1: Pulling Out Evaporative Hose No. 1 From Catch Tank
    G09796905Courtesy of MAZDA MOTORS CORP.
  5. Remove the clip from the bracket and loosen the wiring harness.
    Fig 2: Identifying Evaporative Hose No. 1 Clip And Bracket
    G09796906Courtesy of MAZDA MOTORS CORP.
  6. Set the wiring harness aside.
  7. Disconnect the ECT sensor No. 1 connector.
    Fig 3: Disconnecting ECT Sensor No. 1 Connector
    G09796907Courtesy of MAZDA MOTORS CORP.
  8. Remove the ECT sensor No. 1 using the SST  .
  9. Install in the reverse order of removal.
  10. Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
    Fig 4: Removing ECT Sensor No. 1 Using SST With Torque Specifications
    G09796908Courtesy of MAZDA MOTORS CORP.
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