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Hello,
I am a new member to this forum and own a 2001 a6 avant 1.9 tdi.
I have recently noticed that the carpet in the passenger footwell is very wet and wondered if anyone can shed any light on the problem, or has had a similar experience.
I am interested to hear any comments
Cheers
G
 

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Sounds like your heater matrix is leaking mate or if its not that the membrane in the door has probably come off and the water is coming down through the door and into the car rather than out of the drain holes. Put a hose on the window then feel the inside of the door at the bottom. If its wet it's your birthday and a much cheaper and easier repair.

Hope this helps Rob
 

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Hi,
If the exit for condensed water from the system air conditioning is stopped, water runs on the carpet in the passenger footwell .
 

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Just had the same thing happen to me in my '98 A6. We've had several days of heavy rain and when I went up a seep incline today---a stream of water came pouring in under the dash through the vent onto the passenger side floor. Looked under the hood and under the cover where the battery, etc. are stored, and the whole compartment apparently had filled with water. Of course, it isn't full now because so much of it had POURED INTO MY CAR! Anway, I'm assuming there's a drain in there somewhere that may be blocked. In the process of trying to find it now... Will let you know if I find something. In the meantime, anyone else have this problem? Or better yet, anyone else SOLVE this problem??
 

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I seem to have the same problem of a water leak in my Audi A6 Avant.
Have you been able to resolve it. Your input it greately appreciated.

Many thanks,

vule68
 

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I have had exactly the same problem - and fixed it.
There are a couple of things to check first though. Make sure that your drainage holes are clear - under the battery and at the sides below the wind screen. If these are OK check that the trim which fits on at the bottom of the wind screen is flush / tight fitting with the windscreen. Mine wasn't and water was rolling under into the pollen filter and down into the passenger foot well. I replaced the housing for the pollen filter and the trim that fits at the bottom of the window and all is well. Apparently it's a common fault that the trims need replacing.

I now have a squeak from the around steering colum - like something is rubbing - when I turn right. So if anyone can help me out with this I'd be pleased......
 

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Had the same problem and managed to fix it. After a heavy rain I had the whole right part of the interior sunk by 10-15 cm of water!!! The carpets on the left were also wet.

The water gets into the car via the air ducts under the driver's and passenger's seats. That's the lowest point in the ventilation system. Of course, water shouldn't get into the ventilation at first :D . Anyway, in my case, the problem was the trim that fits on the bottom of the windscreen. It should be well fitted. When I replaced my battery, I had to remove the trim and I wasn't too careful when putting it back. Minor mistake, major consequences! The pollen filter case was also cracked at the bottom. I only had to fit the trim properly and to glue the crack in the case, and the problem was gone. You should check these 2, the problem is most likely there.

Also, fix this problem ASAP, cause under the windscreen, opposite to the pollen filter box, lies the computer box. Its position is similar, and it might be prone to the same problem. And you don't want water in that!!!

You should also check this link:
http://forums.audiworld.com/a6/msgs/463444.phtml

It seems this is a common problem...
 

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Thanks you for the info..I had the same problem with my 02 allroad..2 rainstorms in a row..the 1st time my passenger side floor was drenched and warning lights for the suspension and brakes were somehow tripped..definitely scary..
as usual, this kind of stuff happens on the Friday before a holiday weekend..so no chance of dealer service,,using a shop vac and a hair drier, I got it dried out and everything seemed to work fine again..1 week later, another rainstorm..this time, of all things, the windshield wipers stopped while on the NY thruway,..scary..I opened the hood and notice the battery compartment looked like a lake..
got to my destination and started feeling around for a clogged drain outlet..
found it between then battery and brake fluid res..using my finger, I was able to unclog(pine needles) and the water gushed out under the car,,the wiper motor was submerged and this must have been the problem..after it dried, seems to be working fine...BUT>>Why don't the dealer service advisors know of this..shouldn't Audi send out a service bulletin telling them to check this badly designd drain for debris when in for maintenance..I still love the car, but don't those high tech Audi engineers know about gravity, water, and pine needles???
 

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Did you replace the speakers or add an amp to your car? Were you too lazy to run the cords/wires thru the gromet in your firewall and just run them thru the door instead? This screws up your door seal and lets water in when it rains. My friend did this on his car, that's why I mention it.
 

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Fixing Your Audi A6 Water Leak

A few weeks ago, I noticed a water leak in my 99 Audi A6 Avant. As I drove uphill, water came rushing through a vent near the passenger side floor.

Instead of dropping $150+ to have a dealer fix the problem, I did some research and found that a drainage hole underneath the battery was clogged. I made a video tutorial showing how to fix this problem.

You can see the video tutorial here:
Fixing Your Audi A6 Water Leak | iamjwal.com - web design, history, philosophy, theology and sports
 

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Fixing Your Audi A6 Water Leak

A few weeks ago, I noticed a water leak in my 99 Audi A6 Avant. As I drove uphill, water came rushing through a vent near the passenger side floor.

Instead of dropping $150+ to have a dealer fix the problem, I did some research and found that a drainage hole underneath the battery was clogged. I made a video tutorial showing how to fix this problem.

You can see the video tutorial here:
Fixing Your Audi A6 Water Leak | iamjwal.com - web design, history, philosophy, theology and sports
 

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water leaking from AC into footwell

I had this problem, after a rain storm. I dried out the footwell and unblocked the drainholes. However I now get water leaking from the grey foam that appears to be an air filter in side the joint running from the fanbox into the heater/ac unit? Is this accumulated condensation from the AC? There is no condensation dripping under the car with the AC running, and there is a steady flow of cold clean water from this joint. Pretty conclusive to me.

However, I can not locate the AC drain tube under the car to try to unblock it?

I found some tree debris in the pollen filter where the rain water had flooded into it because of the original blockage, so is there a danger of debris clogging the heater/ac ducts? If so how to clear it?

Thanks
 

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water leaking from AC into footwell

Bubbster,

Not really sure about that. It's good that you cleared out the areas blocked by debris. I would give any other water a few days to "disappear." If it doesn't, than your other concerns may be valid. I'm not sure where the AC drain tube is located, but this is a good forum to search on.

Best of luck,

JWAL
 

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2000 audi s4

I also have a leak in my car except the water comes in from the backseat floor behind the drivers seat. Its not leaking through the doors it seems to be comming from under the car? or its stored somewhere when it rains and somehow leaks into only the backseat floor on the driverside. Its gotton so bad that its up to the top of the seat and pushed its way to the place i drive and is covering half the pedals. please help dont know what to do.
 

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I had this problem, after a rain storm. I dried out the footwell and unblocked the drainholes. However I now get water leaking from the grey foam that appears to be an air filter in side the joint running from the fanbox into the heater/ac unit? Is this accumulated condensation from the AC? There is no condensation dripping under the car with the AC running, and there is a steady flow of cold clean water from this joint. Pretty conclusive to me.

However, I can not locate the AC drain tube under the car to try to unblock it?

I found some tree debris in the pollen filter where the rain water had flooded into it because of the original blockage, so is there a danger of debris clogging the heater/ac ducts? If so how to clear it?

Thanks
I had this problem in my wife's 2000. You can fix the problem yourself with a little patience. The drain tube is not findable by looking under the car, it's on top of the exhaust behind a heat shield.

1. Remove the passenger seat. (Two bolts at the base of the front seat and three wiring harnesses)
2. Remove trim around carpet and seat belt anchor.
3. Remove glove box.
4. Peal back the carpet and drain the water out of your TCM first (black box-open it) if it still works at this point. You should take it out and dry it in a bag of rice.

The drain tube is between the center console and the glove box way up in the corner where it is almost impossible to get the carpet out of the way. There is one bolt that will allow you to pull it from the hole in the floor/firewall and clear it. Some people have a clog, some folks have had the exhaust melt the end shut. Use a vacuum to suck out the tube.

Leave the carpet up and drain the spongy material. I tied the carpet up to the "oh ****" handles up top and let it air out. Leave it up long enough to drive the car around a few days to make sure this fixed the problem. I have had every single water issue available to this model car. It sucks.

This is my last Audi.
 
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