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Home >> Mazda >> 2007 >> CX-7 Touring, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (L3 With TC) >> Engine Coolant Temperature (ECT) Sensor Removal/Installation
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Engine Coolant Temperature (ECT) Sensor Removal/Installation

WARNING:
  • A hot engine can cause severe burns. Turn off the engine and wait until it is cool before removing the ECT sensor.
  1. Disconnect the negative battery cable.
  2. Remove the charge air cooler duct. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION ).
  3. Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION[L3 WITH TC] ).
  4. Remove the air cleaner and air hose. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION ).
  5. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS ).
  6. Disconnect the wiring harness.
  7. Remove the ECT sensor.
  8. Install in the reverse order of removal.

    Tightening torque 

    10-14 N.m {102-142 kgf.cm, 89-123 in.lbf} 

  9. Refill the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS ).
    Fig 1: Identifying ECT Sensor
    G04859796Courtesy of MAZDA MOTORS CORP.