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Do both cooling fans run at same time. Do one run until the car gets hot.99chrysler LHS?

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βˆ™ 2009-06-14 03:21:33

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I can't speak for that SPECIFIC car and model but on most cars with two fans, one is driven by the engine belt and runs whenever the engine is running. The other runs electrically and can turn on (usually) if the key is in the ignition. There is a relay and a controller that tells that fun if the engine needs cooling. On some cars this fan will run even if the key is not in the ignition; i.e. parked and the driver away from the vehicle. It should stop when the sensor running it decides the engine is cool enough.

Both fans are electrically driven and have two speeds. The fans operate at a lower speed until a certain temperature is reached, at which time they both switch to high speed. The two fans are always on the same setting: Off, Low or High.

2009-06-14 03:21:33
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Q: Do both cooling fans run at same time. Do one run until the car gets hot.99chrysler LHS?
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