Engine Coolant Temperature (ECT) Sensor Removal/Installation

2011 Mazda CX-7 i Sport, 2.5 5SECTION Engine Coolant Temperature (ECT) Sensor Removal/Installation
WARNING:
  • When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor.
  1. Disconnect the negative battery cable.
  2. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  3. Disconnect the ECT sensor connector.
  4. Remove the ECT sensor using the Special Service Tool.
  5. Install in the reverse order of removal.
  6. Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
    Fig 1: Locating ECT Sensor With Torque Specifications
    G06724904Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.