If the fans are frozen & won't move then you will need to replace them. However, if they are still capable of moving by you using your hand to just turn them, then you probably have a temperature sensor/fan relay issue. May I suggest that you first identify what is causing the problem before investing in any parts. Then, once you know if it is the fans or the sensor, you'll want to just pressure test the radiator & cooling system to see if there is any leakage. If you only replace the fans & the radiator without fixing another problem, you'll just have to start all over again. To check just the cooling system (from cold engine), fill up the radiator to where it should be, along with the overflow tank to the low line & put the cap back on & start the car long enough to see if there is a leak anywhere. If not, you only need to focus on fixing the problem with the fans. Generally this is the "cooling fan sensor" that mounts near the bottom of the radiator. Some models have the sensor near the thermostat housing, some on the top of the radiator, & some on the bottom of the radiator. A good Haynes manual for that specific car will save you time & trouble with just a simple 5.99 voltage tester.
Good Luck!
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