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Car Coolant fan switch Top quality for a top price
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Replace a Spare part Radiator fan switch – a defective one or if the limit of use has been already reached. Find out useful information about Radiator fan switch

Engine cooling fan sensor is an element of the engine cooling system which gives a signal for switching on and off the fan according to the cooling liquid temperature.

4 tips on engine cooling fan sensor operation

  1. Perform the sensor check every 25 000 operational kilometers. Replace the component in case of its breakdown. Don’t use the car with the sensor broken down – it can lead to the engine overheating.
  2. When buying a new spare part pay attention to the marking applied to edges. It should be the same as at the component which is to be replaced. This marking points at the temperature of the sensor actuation.
  3. Apply the thread of a new sensor with a sealing paste or a teflon tape to prevent antifreeze from leaking.
  4. Avoid too intense tightening of the sensor in case of self-maintained component replacement.

Engine cooling fan sensor faults, their causes and signs

  1. Oxidation of the sensitive sensor element. It appears as a result of prolonged contact to the aggressive liquid (antifreeze). It causes failure of the fan to switch on or it works irregular.
  2. Corrosion of socket contacts. They get destroyed under the influence of moisture and abrasive agents. This fault also leads to unstable fan work.
  3. Short circuit. It usually happens as a result of overvoltage. In this case troubles in the fan work appear, it switches on earlier than it should be or works constantly.
  4. Cracking and deformation of the body. Causes are mechanical or thermal impact. Signs of the body damage are the same as for the other faults.

You can buy the engine cooling fan sensor for any car model in our online-shop. Support service of Buycarparts.co.uk will always help you to quickly find the necessary car spare part and also will give you detailed information on its exploitation.

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