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Hyundai Motor Co.

Under the Hood: Car's temperature control system slows to a stop on long drives

Q: I have a 2005 Chrysler 300 with about 95,000 miles on its odometer. It has an automatic temperature control system. I have had the system's blower motor resistor replaced twice and believe it's failing again. On hot days, when taking trips of 30 minutes or more, I notice the fan speed gradually slows down, eventually reaching a point where the fan pretty much ceases to move any air at all. Before taking the car in again, I'm wondering if something besides the resistor could be causing the problem or if this component is usually this short-lived in Chryslers. I also have a Lexus RX. It has nearly double the mileage of the Chrysler but has never had such a problem. ...

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