Is it normal for the low speed aux fans to remain on for a while after the car is turned off when ac was running? I've heard that it happens on some cars where the fan will remain on for a bit to cool down the engine, but I wasn't sure if it applied to the w201. I replaced the ac refrigerant temperature switch at the receiver dryer and same thing. Let me know if this is normal. Thanks guys.

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1990 190E 3.0L