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Home >> Mazda >> 2005 >> 3 SP23, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Coolant Temperature (ECT) Sensor Removal/Installation
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Engine Coolant Temperature (ECT) Sensor Removal/Installation

  1. Remove the battery cover.
  2. Disconnect the negative battery cable.
  3. Remove the plug hole cover.
  4. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  5. Disconnect the ECT sensor connector.
  6. Remove the ECT sensor using the SST  .
  7. Install in the reverse order of removal.

    Tightening torque 

    1. 10-14 N.m {102-142 kgf.cm, 89-123 in.lbf} 
    Fig 1: ECT Sensor Removal/Installtion & Torque Specifications
    G03636112Courtesy of MAZDA MOTORS CORP.