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Tridon Thermo Fan Switch - TFS191

SKU: A8792959


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  • Spanner: 17mm
  • Thread: M16 X 1.5
  • Terminals: 1
  • Circuit: Normally Closed Ground
  • Operating Temp: 90 degreesc - 85 degreesc

Tridon Thermo Fan Switch - Actuates your engine's cooling fan to maintain correct operating temperatures

A thermo fan switch will send a signal to your electric engine fans when the coolant reaches a certain temperature. Once the fans are triggered, they will begin to cool the radiator until the motor has dropped back in temperature, allowing the fan will switch off. These switches are also referred to as acoolant temperature switch.

Tridon switches and sensors, just like the rest of the Tridon range, are built to be accepted by all motor vehicle OEMs. Being built within OEM classification means that your replacement sensor from Tridon will fit just like the original one fitted in the factory and either match or exceed its performance so you can drive with confidence. Manufactured in the industrial heart of Sydney, Tridon products are produced using modern manufacturing equipment, machine tools and assembly procedures to ensure the best possible quality for your car. Just some of the switches and sensors which Tridon offer includes:

  • Knock sensors
  • Cam sensors
  • Thermo Fan Switches

Gone are the days of carburettors and points ignition, when it comes to running modern cars pretty much everything is electronically calculated, adjusted, transmitted and actuated by your ECU (Engine Control Unit) or ECM (Engine Control Module). Whilst the ECU is able to do all the clever calculations and literally operate your car, it relies on a myriad of switches and sensors to transmit all of the necessary information it requires in order to allow the ECU to do its job including oil pressure, fuel pressure, coolant temperature, A/C pressure, power steering pressure and even fuel temperature. Behaving as your car's nervous system, faults in automotive switches or sensors can cause issues such as a lack of power, poor efficiency, overheating, internal engine damage or a car that won't run, start or idle at all. Whilst your switches and sensors will take care of engine vitals such as oil pressure indication, coolant temperature and oil temperature, various switches and sensors also allow the operation of some of the extra features you wouldn't want to be without including air conditioning systems, electric windows and even interior lights.

Subjected to harsh under-bonnet conditions and tough road use, just like other components of your car, old switches and sensors can fail over time and give incorrect data or no data at all to the ECU. Often these issues will flag up a check engine light on the car which is useful if you have a code reader, however sometimes the issue will remain a mystery. We recommend testing your suspect sensors with a multi-meter to track down the issue. By testing for continuity, voltage and resistance, you can confirm the issue and get stuck into fitting a replacement switch. By fitting quality replacement switches and sensors to your car, you can drive with the confidence that your car will run to its maximum potential in terms of power, efficiency and longevity and that all of your car's features will continue to operate correctly for time to come. If you're replacing a switch or sensor, shop our whole range on the Repco website or visit your nearest Repco store and speak with one of our team.

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