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    Thread: Can your A/C leak water into your car?

    1. Member
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      10-09-2012 07:23 PM #1
      Sorry I hate to make the millionth post on water leaking into your car, but here it goes. The passengers side is all filled up with 2-3 inches of water and I have almost all of the interior ripped out. It's definitely NOT the sunroof or any of the hoses from the sunroof. It hasn't rained this week where I live. I run the A/C all the time but haven't noticed water in the car until I leave and return to the car after driving.

      Does this sound like an evaporator from the A/C? I'm not really familiar with the A/C but that sounds like a component that would get rid of condensation.

      Everything I searched comes up with either sunroof or rain tray debris... ...but if it's not raining....


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      10-09-2012 07:35 PM #2
      the evaporator takes moisture out of the air and in turns into water I haven't been in the dash of my car but there is probably something that is supposed to take it out of the cabin as a drain witch is clogged

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      10-09-2012 09:09 PM #3
      Quote Originally Posted by bluewolfy View Post
      the evaporator takes moisture out of the air and in turns into water I haven't been in the dash of my car but there is probably something that is supposed to take it out of the cabin as a drain witch is clogged
      Yeah that's what I was thinking...

      Anybody got some thoughts? I don't want to rip out my dash to get to my A/C if I don't need to.

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      10-09-2012 09:24 PM #4
      did you cut the tips of the sunroof hose? I know you said you checked them out, but cut them if you havent.

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      10-09-2012 09:41 PM #5
      Quote Originally Posted by petreeman1000 View Post
      did you cut the tips of the sunroof hose? I know you said you checked them out, but cut them if you havent.

      YES! I did that to all 4

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      10-10-2012 05:02 AM #6
      Also, I'm not sure if it matters, but my A/C smells like it's blowing mold.

    7. Member Zach!'s Avatar
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      10-10-2012 05:07 AM #7
      There is a tube that extends from the bottom of the HVAC box, it is part of the actual plastic structure, and it routes water out of the box and through a hole out of the cabin. It is probably clogged up
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      10-10-2012 07:26 AM #8
      Wow, thats alot of water to dump all at once!

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      10-10-2012 03:56 PM #9
      Quote Originally Posted by Zach! View Post
      There is a tube that extends from the bottom of the HVAC box, it is part of the actual plastic structure, and it routes water out of the box and through a hole out of the cabin. It is probably clogged up
      Do you happen to have a picture of where this is? Or wait, this is behind the dash, right? Also, will the tube be easily visible and obvious if it is clogged?

    10. Member 24Vjrod1.8T's Avatar
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      10-10-2012 04:05 PM #10
      Quote Originally Posted by kesh808 View Post
      Do you happen to have a picture of where this is? Or wait, this is behind the dash, right? Also, will the tube be easily visible and obvious if it is clogged?
      on the firewall, off center towards the passenger side of the car. Not hard to find. Poke a small screwdriver, or a bit of wire in the drain to clear it.
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      10-10-2012 09:27 PM #11
      Quote Originally Posted by 24Vjrod1.8T View Post
      on the firewall, off center towards the passenger side of the car. Not hard to find. Poke a small screwdriver, or a bit of wire in the drain to clear it.
      ..... Where in relation to this picture is it?


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      10-11-2012 05:25 PM #12
      Somebody?

    13. Member mike4-vr6's Avatar
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      10-11-2012 08:05 PM #13
      Quote Originally Posted by Zach! View Post
      There is a tube that extends from the bottom of the HVAC box, it is part of the actual plastic structure, and it routes water out of the box and through a hole out of the cabin. It is probably clogged up
      This.

    14. Member mike4-vr6's Avatar
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      10-11-2012 08:06 PM #14
      Quote Originally Posted by kesh808 View Post
      ..... Where in relation to this picture is it?

      cant see it from that angle. search google for a schematic or something. it is actually on the bottom of the unit.

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      10-11-2012 10:36 PM #15
      Quote Originally Posted by mike4-vr6 View Post
      cant see it from that angle. search google for a schematic or something. it is actually on the bottom of the unit.
      Ok so it's underneath the car then? I'll do the google search right now.

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      10-11-2012 10:41 PM #16
      http://forums.vwvortex.com/showthread.php?3238949

      Found it, thanks! I'm going to give this a try.

    17. Member
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      10-11-2012 11:42 PM #17
      Ok so there's no drain on mine, just a bolt.




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      10-12-2012 01:25 AM #18
      I'm an idiot, there's another one below it!

    19. Member
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      10-14-2012 07:27 PM #19
      Hey so I could really use your help guys.

      I stuck a stick about a foot and half long into that drain in the firewall. It did not at all seem clogged. No water came out. I turned the car on and let it run and water slowly dripped from that same drain. I looked inside my car and this time I actually saw water trickling down from the passengers side under the dash. I'm pretty sure this has to be from some component in the A/C.

      My question is do you guys know what part of the A/C I may need to replace or what I'd need to inspect for leaks? Thanks.

    20. Member
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      10-15-2012 08:49 PM #20
      Anybody?

    21. Member Zach!'s Avatar
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      10-15-2012 08:57 PM #21
      Heatercore is leaking
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    22. Member
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      10-16-2012 05:18 PM #22
      Quote Originally Posted by Zach! View Post
      Heatercore is leaking
      Thank you. I'm still looking through google trying to find some answers and I've seen that come up a couple of times.

      I live in Hawaii and NEVER use the heater. Would that make a difference in your diagnosis? Or is the heater core something that the A/C runs through/with? Does condensation flow through this?

    23. Member
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      10-16-2012 05:24 PM #23
      Actually now that you mention that, I did try using the heater recently to see what would happen and it didn't really blow hot air. It was warm at the most and felt kind of moist. Sometimes the A/C feels like this too so I didn't think much of it....

    24. Member
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      10-16-2012 06:57 PM #24
      Ok from what I've read, the heater core brings in hot coolant to warm the cabin. There is definitely no coolant in my car. So now I'm once again thinking it's the evaporator...

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      11-18-2012 04:58 PM #25
      Just thought it'd be nice to give this thread a conclusion. I brought it to the dealership and they said that my firewall is rusted through. Anybody know how this could've happened or if it's worth fixing?

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