Your Chrysler PT Cruiser‘s radiator fan has one that the most crucial jobs on the vehicle. That is the last heat of defense in between you and an overheating engine. If the radiator pan is not working, it’s a major problem.

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Just because the radiator pan is no on go not typical that that is not working. They room designed to just run once needed. If her PT Cruiser is to run hot, and the pan is not running we’ve laid the end the most common reasons of this worry below.


Chrysler PT Cruiser Radiator pan Not working Causes

There room a couple of simple factors that the fan would not be cycling on. Although the pan itself have the right to go bad, that’s certainly not the ar to start a diagnosis.

Here room the most usual reasons that your radiator pan does not turn on:

Before poking your hands around your fan, make certain to treat itlike the still can come on, and also and save your hands out of the path.


The very first thing that you would want to execute is locate the fuse for your PT Cruiser’s radiator fan and also make sure that the hasn’t blown. If that is blown, instead of the fuse will just solve the problem for a very minimal period of time. Uneven the wiring worry is fixed, the fuse will blow again.

The wiring exploit itself have the right to go bad. Your author has personally had actually a shredded tire totally pull the fan wiring out of his vehicle. It have the right to happen. The pan wiring is several of the more vulnerable wiring in her PT Cruiser.

You can test the voltage going indigenous the pan relay come the pan itself. If the is acquiring 12+ volts, the fan need to be comes on. But if it’s not, which method the fan has actually gone bad.

This video from Ratchets and also Wrenches is a phenomenal resource on exactly how to appropriately diagnose a wiring problem.

Engine Temp Sensor

Your engine temperature sensor is responsible because that relaying your engine temp to the ECU. Once the temp it s okay so hot, the ECU regulates the radiator fan to come on. If your PT Cruiser has actually a bad engine temp sensor the radiator pan won’t understand to come on, due to the fact that the ECU won’t understand how hot the engine is.

You’ll should locate and test the engine temp sensor. Depending on the design year and also engine, the location varies. If that does come to be this sensor, lock are very affordable.

Low Coolant


If the engine coolant level isn’t high sufficient to keep push in the engine it will certainly run hot. But, there won’t be enough coolant to reach the temperature sensor. There is no the coolant hitting the sensor, the temp reading will be considerably lower 보다 the really engine temp. Her PT Cruiser’s radiator fan will certainly not kick on.

If you do have actually low coolant, don’t fill it up until the engine has cooled off. Adding coolant to a radiator dry sufficient not to cause the engine temp sensor can reason problems indigenous drastic temperature change. Let that cool down first.

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Fan Clutch

Like any kind of other clutch, a fan clutch will wear out over time. If everything else seems on the up and up, the springs in the pan clutch have worn previous the point of proper function and can no longer do their job.


There are many reasons why her Chrysler PT Cruiser’s radiator fan is no working. Of every the ones listed above, begin with the coolant level, then examine the fuse. ~ that, the stimulate isn’t for this reason important. But, girlfriend don’t want to miss out on the straightforward fixes prior to you start testing wiring.

If there is anything that you would like to add, please leave a comment below. Good luck!!