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Coolant leak from under front of car behind rads

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Took short drive this evening.  Got red warnin to check coolant level.  When I got home, noticed coolant leak coming from under front side of my 997-1 4s.  Checked villa to level in reservoir; took cap off allowing air in system and all coolant drained out of the front of the car.  Any ideas on cause, e.g., hose leak?  Car has 30,000 miles; I drive about 4000 to 5000 miles per year.

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Thanks for the source ideas.  Since the leak was in the front I kind of ruled out water pump and rear coolant hose issues. It’s wishful thinking that it’s only a fromt hose problem because that’s the cheaper fix, but I can’t rule out one of the radiators. I’ve owned the car for a little over a year and a half.  Although it’s 11 yrs old, it wasn’t driven a lot and is in excellent condition.  I saw all of the coolant coming out.  There was no corrosion or cloudiness I’m it, so I hope there wasn’t a radiator failure.  Gotta flat bed it to the dealer as I have no facilities to work on it!  I appreciate your input.

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