Sometimes it will shut off and sometimes it want . is it suppose to continue running after car has been shut off. it or something is running the battery down.
SOURCE: electric fans runs after car is shut off, drains battery
Having the fan run on for a bit after the engine has stopped is not abnormal in itself, but 20 minutes sounds excessive.
If the fan does eventually shut off, I'd consider changing the thermoswitch (this is a sensor screwed into the radiator somewhere near the bottom, with a pair of wires connected to it - to change it, you'll need to drain the cooling system).
If the fan stays on continuously until the battery is completely flat, see what happens when you unplug the wires from the thermoswitch. If this stops the fan, you need to replace the thermoswitch. If it doesn't, then you need to examine the wiring associated with the switch and the fan, looking for damaged insulation.
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SOURCE: I have a question, is
Yes. I have a 2006 Jetta and the cooling fan (the one on the radiator) runs after I shut my car off. It's to continue to disperse the heat and cool things off. No worries. I would watch it and make sure it does not become a problem tho.
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