Water Leak

I have a 1992 2 door Ford Explorer.
I have a water leak that also contains anti-freeze mixed with the water which is leaking from which looks like a hose that is comes out of the back
firewall into the engine compartment under the evaporator case. There is also some type of moist fumes coming out of the passenger vents.
The AC was completely replaced about one week ago.
Mike
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MSteve opined in

you need to look close and see if that leak is AT that point or the hose simply carrying the leak outside the heater.
sorry but it MAY be your core is busted and it PROBABLY is due to being jostled when the A/C is worked on.
And -if so- it's a separate, incidental problem that COULD have occurred no matter how careful the guy was.
Maybe the shop will take pity on you and give you a discount.
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Backyard Mechanic opined in

OOOPS ! On reading it again - That is your a/c condensate drain.Definitely need heater core replaced.
If they disconnected the heater hoses during the previous service, make sure there's still a restrictor in the hose that connects to the intake manifold.
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Heater core is leaking and needs to be replaced. Ten years is about the normal lifespan of a heater core. Breathing those fumes isn't good, since they are noxious and bad for the lungs. Replacing the core isn't a difficult job and the replacement cores aren't expensive.
Dave S(Texas)
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