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AC Drain Tubes

Rngrs3910

Active Member
Joined
April 14, 2008
Messages
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City, State
Boston, MA
Year, Model & Trim Level
06' Explorer V8EB Edition
I posted on here a while back about mositure buildup inside my 06 EX. Still havent found the issue, but I expanded my internet investigation to any car with moisture issues, instead of just Explorers.

A common issue seems to be plugging of the evaporator drain hoses. It's been suggested on some websites that these can clog over time, causing moisture from the AC to get into the car, namely under the floor carpeting. The issues people are having with other models seem similar to fine (fog on the inside of the windows, wet floor carpeting, moisture on the underside of rubber floor mats), so I want to try checking these lines and cleaning them if possible.

Problem, of course, is I can't find them. Any ideas? Or better: Photos? The searches I've done online say you should be able to see them under the dashboard either neither the gas pedal or near the passengers feet, but I don't see any hoses. Anyone know where I can find the front and/or rear AC drain lines?

Thanks!
 






I'm betting it's leaking from the Auxiliary Heater Core, or connection to it. You think you might want to tackle that? It's located behind the left rear wheel well. Might want to check your coolant level.

You've already exhausted that possibility? Auxiliary A/C "drain" would be in the same box.
 






You've already exhausted that possibility? Auxiliary A/C "drain" would be in the same box.

I haven't, kept doing research online and this seemed to fit my problem more closely, and seemed like an easier fix to try before i tackled something bigger.

Whats involved with the Auxilary Heater Core? Coolant level looked fine last time i checked.
 






Auxiliary Heater Core: REMOVAL AND INSTALLATION

You're not really pulling this unit out, just looking for source of the leak. Keep an eye out for stained areas that might point to a loose fitting, cracked hose, or leaking core, etc... Maybe even a plugged drain!

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