Your Fiat 500's radiator devotee has one of the most important jobs on the fomite. IT is the last line of defense betwixt you and an overheating engine. If the radiator buff is not working, it's a thoughtful problem.
Just because the radiator rooter is not on does not intend that it is not working. They are designed to only run when needed. If your 500 is running blistering, and the fan is non running we've laid out the most common causes of this issue below.
Decree 500 Radiator Fan Not Working Causes
There are a few oblong reasons that the fan would non be cycling on. Although the fan itself can go bad, that's definitely not the place to get-go a diagnosing.
Here are the to the highest degree joint reasons that your radiator fan does not trip:
In front jab your hands close to your rooter, make sure to treat it like it static could come on, and and keep your hands out of its way.
Wiring
The first thing that you would want to do is locate the fuse for your 500's radiator fan and make sure that it hasn't blown. If it is blown, replacing the immix will only solve the problem for a precise limited time period. Unless the wiring issue is fixed, the conflate will blow again.
The wiring harness itself can go bad. Your author has personally had a shredded tire completely pull the fan wiring out of his vehicle. It dismiss happen. The winnow wiring is some of the Thomas More unguarded wiring in your 500.
You can test the voltage departure from the fan electrical relay to the devotee itself. If information technology is getting 12+ volts, the devotee should be coming on. But if it's not, which means the fan has gone intense.
This video from Ratchets and Wrenches is a phenomenal resourcefulness on how to properly diagnose a wiring problem.
Locomotive Temp Sensor
Your engine temperature sensor is responsible for relaying your locomotive engine temp to the ECU. Once the temp gets so hot, the ECU commands the radiator fan to descend along. If your 500 has a bad engine temp sensor the radiator winnow won't know to surface, because the ECU won't bed how hot the locomotive engine is.
You'll need to turn up and test the locomotive engine temp sensor. Depending on the model year and engine, the location varies. If it does end up existence this sensor, they are very affordable.
Low Coolant
If the engine coolant even out ISN't drunk enough to sustenance blackmail in the engine it will run hot. Only, there won't make up enough coolant to contact the temperature sensing element. Without the coolant hitting the sensor, the temp interpretation will be significantly lower than the actual engine temp. Your 500's radiator fan will not kick on.
If you do have low coolant, don't fill it up until the engine has cooled off. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. Let it cool down opening.
Fan Clench
Like any other cling to, a fan clutch volition wear off ended time. If everything else seems on the up and up, the springs in the fan cling to have tattered past the steer of proper function and can no more do their job.
Conclusion
There are many reasons wherefore your Fiat 500's radiator fan is not running. Of all the ones traded higher up, start with the coolant level, then check the immix. Aft that, the order ISN't so important. But, you don't want to miss the easy fixes before you start testing wiring.
If on that point is anything that you would like to contribute, delight pull up stakes a remark downstairs. Good luck!!
What Would Cause the 2017 Fiat 500x Fan Fuse Blow
Source: https://www.700r4transmissionhq.com/fiat-500-radiator-fan-not-working/