How Long Does a Thermo Coolant Fan Switch Last?

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There are many hard-working parts in your vehicle but perhaps the hardest working part of all is your engine. With that said it's easy to understand why your engine heats up. Allowing it to overheat means you risk damaging it, which leads to costly repairs. That's exactly why the thermo cooling fan switch is such an important part.

This switch is found right on your actual engine and it is able to read the engine's temperature so it knows when it gets hot enough that it needs to be cooled down. The switch not only works to turn on the fan, but then once the ideal engine temperature is reached it knows to turn the fan off. From time to time this part fails since it is an electrical component. When this happens it's important to have it replaced right away as you don't want to allow your engine to get too cold or too hot.

The thermo coolant fan switch is not included in regular maintenance of your vehicle since ideally it is meant to last the lifetime of your vehicle. Instead it’s important to know what signs to watch for in case it needs replacing:

  • Should your “Engine Hot” warning light come on, it is something that you don’t want to ignore. It could be that your thermo coolant fan switch is faulty so the fan isn't coming on.

  • If the fan doesn't turn on at all, this can point to the thermo coolant fan switch. Keep in mind it may be something else, so it's best to have a mechanic do a full diagnostic.

  • Should your Check Engine Light come on, you'll need to get your vehicle looked at immediately. The thermo coolant fan switch failing is just one of many reasons this light may come on. The professionals will need to take a look at the computer codes to determine the full issue.

The thermo coolant fan switch is able to monitor and read the temperature of your engine. With that said it knows when to turn the fan on to cool off the engine, as well as when to turn the engine off once the engine reaches the desired temperature. Once this part fails you risk overheating your engine. Have a certified mechanic replace the failing thermo coolant fan switch to eliminate any further problems with your vehicle.


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Pardeep

20 years of experience
652 reviews
Pardeep
20 years of experience
Ford Fusion - Brake Pads Replacement (Rear) - Fremont, California
Again 5 star service. And already scheduling him for my next appointment. Highly recommend Pardeep for your car needs.
Chevrolet Camaro - Brake Pads Replacement (Front) - San Jose, California
Great knowledgeable mechanic and fast great work. I will use Pardeep and your services again. Thank you

Theodore

15 years of experience
1137 reviews
Theodore
15 years of experience
Toyota Camry - Brake Pads Replacement (Front) - Everett, Washington
Theodore arrived on time, he did a great job replacing my brakes on my Camry, I will definitely work with him again.
Subaru Outback - Brake Pads Replacement (Front, Rear) - Renton, Washington
We have had previous work done by Theodore. Really appreciate his thoroughness and professionalism!

Matthew

32 years of experience
734 reviews
Matthew
32 years of experience
Jeep Wrangler - Brake Pads Replacement (Front) - Yorktown, Virginia
We've been using Your Mechanic services for a few years, for a few reasons. The convenience of having an expert mechanic "on-call," the great pricing and transparency for services (saving 10% - 25% at times), most of all Matt is our go-to guy who is highly qualified, knowledgeable in the work and knows how to explain it to us in detail.
Ford F-150 - Brake Pads Replacement (Front) - Newport News, Virginia
Matt's technical knowledge of his profession is incredible! He is prompt, thorough, friendly, professional, engaging, and completes the job to 100% perfection! Thank you, Matt for the most outstanding auto repair service in all my many years!!!

Jason

31 years of experience
162 reviews
Jason
31 years of experience
Nissan Altima - Brake Pads Replacement (Front) - San Mateo, California
Jason was very professional and friendly. He provided extremely honest and helpful advice on issues with my Altima that would require proactive future maintenance.

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