Engine Cooling problem
2002 Ford Mustang 6 cyl Front Wheel Drive Automatic 70,000 miles
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Found water on the driveway. When running engine with fan only on, (not air con.) water runs out of a round hole near bottom of firewall on passinger side of car. This is when I have temp setting in blue (cool)area. Air cond. is not on. Will stop if I change setting to red (heat) area. Where is this water coming from ? Do I need immediate repair?

This is definitly water and not antifreeze correct?

Will this do this after you drive to your destination and the car has been warmed?

Do you parking in an area where there may be debris such as leaves falling onto the car?

Definately water- no smell or color to it. Car was driven until engine was warmed up approx. 40 minutes. It was a warm day 75 degrees, and kind of humid. I did not have the AC on, just the fan set on cool to circulate the air. About an hour after I parked in my driveway, i noticed a puddle under the front end. With the hood up I restarted the car and my husband saw water at first gush and quickly turn to a dribble from a round opening in the firewall. He thinks its the AC drain opening. As soon as I switched to heat it stopped. Today I drove the car after rechecking the above with no repeat of the problem, the temp guage stayed in the normal range and no water leakage. No debris whatsoever around car.

That all sound like normal operation. Having it set to cool is pulling moisture out of the air and condensating. You turn it to heat, the vent door shuts.

I wouldn't give this a second thought.

Thank -you Paul! You reassured me. Sorry if I seem like a dumb woman but this is the first time this has happened in the 3 years I've had my car! And of course Something" leaking" puts me into panic mode since my car is 6+ years old! Thanks again!