ant Posted August 18, 2007 Report Share Posted August 18, 2007 yes mate the exact same hole,with my head in the footwell i watched the water pouring in ,very well hidden under that crap factory sealant....i also copied your nut, washer, bolt and sealant approach which seems to have done the trick!!.. again many thanks Link to comment Share on other sites More sharing options...
Abs Posted November 27, 2007 Report Share Posted November 27, 2007 [ QUOTE ] Has your car been parked up for a few days? How long ago did you clear the aircon blockage m8? Because from my experience I've found a large amount of water moves into the air vent ducting between the front seats when the aircon evap drains are blocked; and the water pours out of the rear central vents every time you move off or accelerate: tell tale signs of this is if the carpet is wet in the footwells and down the sides or even the top of the propshaft tunnel portion of the carpet, whilst the sides of the carpet near the door sill seals remain dry [/ QUOTE ] Sorry to bring this thread back up again, but I seem to be having VERY similar issue to this. It was mentioned that the "aircon evap drains are blocked", where are these located? And how do you unblock them? Cheers Link to comment Share on other sites More sharing options...
LostKiwi Posted November 27, 2007 Report Share Posted November 27, 2007 All detailed nicely here..... http://www.audipages.com/Tech_Articles/heatac/exaporatordrains.html Link to comment Share on other sites More sharing options...
Abs Posted November 27, 2007 Report Share Posted November 27, 2007 Thank you very much! Is there any way of clearing it out without an air hose? Link to comment Share on other sites More sharing options...
LostKiwi Posted November 27, 2007 Report Share Posted November 27, 2007 I guess a straightened wire coathanger could be carefully used from below (but since I've never tried it don't take it as gospel). Link to comment Share on other sites More sharing options...
Botang Posted November 27, 2007 Author Report Share Posted November 27, 2007 The aircon evap being blocked normally results in cold water going over your or your passengers feet whilst cornering. The water getting to the rear footwells tends to be a more major leak Link to comment Share on other sites More sharing options...
Abs Posted November 27, 2007 Report Share Posted November 27, 2007 The water is only on the front passenger side and drivers side footwells. Only on the floor too, not on the side (near the door), so I'm pretty sure that it's the cause. Any other suggestions of unblocking the pipe, apart from metal coat hanger. I will give it a go, but think it'll be too stiff to go around the bendy pipe. Link to comment Share on other sites More sharing options...
LostKiwi Posted November 27, 2007 Report Share Posted November 27, 2007 From what I remember reading somewhere the drain blocks at the exit (by the cruciform valve thingy you an see in the pics in Audi pages - the bit by the suspension). If you clear that with the coathanger it may well be enough.... Link to comment Share on other sites More sharing options...
Abs Posted November 27, 2007 Report Share Posted November 27, 2007 Cheers Kiwi, are you referring to the exit point in the wheel arch? This one... Link to comment Share on other sites More sharing options...
Botang Posted November 27, 2007 Author Report Share Posted November 27, 2007 The drains that block causing water into the car are the bright orange tubes that run up the centre console by the gearbox. The outlets in the arch only affect the scuttle panel area (near the ECU). Link to comment Share on other sites More sharing options...
LostKiwi Posted November 27, 2007 Report Share Posted November 27, 2007 Yeah that was my mistake... sorry... Link to comment Share on other sites More sharing options...
IT_S8 Posted November 27, 2007 Report Share Posted November 27, 2007 I can put some stats on the commonality for this problem - we've had only 1 pre facelift car in so far with a dry carpet, and I was suspicious that it had been fixed by the previous owner. Every other car was at least wet, some soaking. The worst one was so wet that I didnt even have to wring it out - The water was just pouring out of the foam onto the floor unaided ! It does seem to be mainly the passenger sides that are wet, which backs up Botangs work identifying the hole in that side of the bulkhead... Link to comment Share on other sites More sharing options...
Abs Posted November 27, 2007 Report Share Posted November 27, 2007 Those are some shocking statistics IT_S8! Only 1 car with dry carpets?! lol that is a serious design fault on Audi's behalf. I'm going to try unclogging the big orange A/C pipe first. The hole in the engine compartment seems a bit too much effort Link to comment Share on other sites More sharing options...
ant Posted November 27, 2007 Report Share Posted November 27, 2007 [ QUOTE ] I can put some stats on the commonality for this problem - we've had only 1 pre facelift car in so far with a dry carpet, and I was suspicious that it had been fixed by the previous owner. Every other car was at least wet, some soaking. The worst one was so wet that I didnt even have to wring it out - The water was just pouring out of the foam onto the floor unaided ! It does seem to be mainly the passenger sides that are wet, which backs up Botangs work identifying the hole in that side of the bulkhead... [/ QUOTE ] although i had fixed that leak copying botangs method.My car is still stripped down on the passenger footwell area including the glovebox and has been for 3 months. After hours of trying to fix the problem i've determined that its something to do with sunroof but for the life of me i can't suss it.I thought that it might be the n/s sunroof drain so blocked it to see if that made any difference,which it did, making my car leak from the headlining ... so i've come to the conclusion that the water is getting in through the sunroof and running down between the roof and the headling and then actually down inside of the A pillar and then on to the footwell. I also noticed that mine only leaks when parked nose down hill. i hate having my car so stripped down Link to comment Share on other sites More sharing options...
Ska Posted November 27, 2007 Report Share Posted November 27, 2007 S8_Abs you have a PM You can use water in hose pipe (carefully to completely unblock them) @ Botang the water you get in the back foot well in my car a while ago was the direct result of the footwell drains being block; since clearing them I've never had wet carpets after that. Simply put because the car was stationary for a few weeks my brother kept starting her up now and then but not moving it so the water accumilated and poured into the central vent, hence when I came back off holiday and reveresed out of my drive I got a bit of a shock sloshing through the centre console and on to the rear carpets Link to comment Share on other sites More sharing options...
NickGUK Posted November 27, 2007 Report Share Posted November 27, 2007 [ QUOTE ] [ QUOTE ] I can put some stats on the commonality for this problem - we've had only 1 pre facelift car in so far with a dry carpet, and I was suspicious that it had been fixed by the previous owner. Every other car was at least wet, some soaking. The worst one was so wet that I didnt even have to wring it out - The water was just pouring out of the foam onto the floor unaided ! It does seem to be mainly the passenger sides that are wet, which backs up Botangs work identifying the hole in that side of the bulkhead... [/ QUOTE ] although i had fixed that leak copying botangs method.My car is still stripped down on the passenger footwell area including the glovebox and has been for 3 months. After hours of trying to fix the problem i've determined that its something to do with sunroof but for the life of me i can't suss it.I thought that it might be the n/s sunroof drain so blocked it to see if that made any difference,which it did, making my car leak from the headlining ... so i've come to the conclusion that the water is getting in through the sunroof and running down between the roof and the headling and then actually down inside of the A pillar and then on to the footwell. I also noticed that mine only leaks when parked nose down hill. i hate having my car so stripped down [/ QUOTE ] This must be a problem with your sunroof drains somewhere. The roof tray is bigger by quite a considerable amount than the sunroof hole, so any water passing thru the actual hole in the roof would land in the tray, then the only way it can get out is via the drains in each corner, or if the drains are blocked, it builds up enough till it flows over the top and thats probably when it hits the roof lining and flows forward towards the A pillar. This also conincides with the fact its worse when the car is parked nose down, if the drian is blocked (even a little) the tray will fill up a lot quicker. You should be able to test it easily, by simply pouring a small jug of water into the sunroof tray corners, and in no time water "should" exit under the car if the drains are clear. If it doesn't then the drain is either disconnected somewhere or blocked. Link to comment Share on other sites More sharing options...
ant Posted November 27, 2007 Report Share Posted November 27, 2007 [ QUOTE ] [ QUOTE ] [ QUOTE ] I can put some stats on the commonality for this problem - we've had only 1 pre facelift car in so far with a dry carpet, and I was suspicious that it had been fixed by the previous owner. Every other car was at least wet, some soaking. The worst one was so wet that I didnt even have to wring it out - The water was just pouring out of the foam onto the floor unaided ! It does seem to be mainly the passenger sides that are wet, which backs up Botangs work identifying the hole in that side of the bulkhead... [/ QUOTE ] although i had fixed that leak copying botangs method.My car is still stripped down on the passenger footwell area including the glovebox and has been for 3 months. After hours of trying to fix the problem i've determined that its something to do with sunroof but for the life of me i can't suss it.I thought that it might be the n/s sunroof drain so blocked it to see if that made any difference,which it did, making my car leak from the headlining ... so i've come to the conclusion that the water is getting in through the sunroof and running down between the roof and the headling and then actually down inside of the A pillar and then on to the footwell. I also noticed that mine only leaks when parked nose down hill. i hate having my car so stripped down [/ QUOTE ] This must be a problem with your sunroof drains somewhere. The roof tray is bigger by quite a considerable amount than the sunroof hole, so any water passing thru the actual hole in the roof would land in the tray, then the only way it can get out is via the drains in each corner, or if the drains are blocked, it builds up enough till it flows over the top and thats probably when it hits the roof lining and flows forward towards the A pillar. This also conincides with the fact its worse when the car is parked nose down, if the drian is blocked (even a little) the tray will fill up a lot quicker. You should be able to test it easily, by simply pouring a small jug of water into the sunroof tray corners, and in no time water "should" exit under the car if the drains are clear. If it doesn't then the drain is either disconnected somewhere or blocked. [/ QUOTE ] its not the drains they are all clear i have a suspicion that it "may" be the seal on the headlining to the "tray"... if not that it maybe under the riveted runners,i've taken the first section of the runner off which exposes the sunroof winder mechanism and silicon the area where the mechanism comes through from the headlining to the sunroof runner but alas that hasn't cured it either. Link to comment Share on other sites More sharing options...
IT_S8 Posted November 27, 2007 Report Share Posted November 27, 2007 Hmmm. I agree with Niks test, a quick jug should confirm the sunroof prob, and it works either poring water directly into the tray, or over a closed sunroof. Its worth noting though the sunroof is a pretty snug fit. In my (rapidly becoming vast) experience of different cars, any external hole that is sufficient to let in water, will also make a pretty audiable wind noise at motorway speeds and ruin the otherwise perfect ambience of the car... I find it really hard to accept that the sunroof is a culprit.... Its just too well sealed and got two seperate drains front and rear. Not once have we taken a car apart with a backlog of water in the drain pipes, which you could reasonably expect if this were the common cause of dampness...? I agree its getting in, but sunroof just doesnt seem that viable to me.. Link to comment Share on other sites More sharing options...
ant Posted November 28, 2007 Report Share Posted November 28, 2007 when i plugged the drains i added the water carefully with a jug on to the tray(filled to about 4mm deep),it leaked through the headling in 2 different places and also in to the footwell..... when the drains are unblocked it just seems to leak in the down the interior side of the A piller. Link to comment Share on other sites More sharing options...
NickGUK Posted November 28, 2007 Report Share Posted November 28, 2007 [ QUOTE ] when i plugged the drains i added the water carefully with a jug on to the tray(filled to about 4mm deep),it leaked through the headling in 2 different places and also in to the footwell..... when the drains are unblocked it just seems to leak in the down the interior side of the A piller. [/ QUOTE ] So let me get this straight, you temp plugged the drains, and filed the tray, the water then flowed into the headlining ? yes ? so that is the exact symptoms of blocked drains. I would assume the seal between the tray and roof is not really designed to be "super" water tight thats why drains are fitted. You then un blocked the drains and water flowed down the A pillar ?, then the drains must either be kinked somewhere or disconnected somewhere. water poured down the drains should exit under the car almost immediatley. if the drains are good, then the roof tray would never get to the point of 4 mm depth of water, it flows away too quick for that. Link to comment Share on other sites More sharing options...
ant Posted November 28, 2007 Report Share Posted November 28, 2007 So let me get this straight, ( <font color="red"> ok </font> ) you temp plugged the drains,( <font color="red"> yes </font> ) and filed the tray, ( <font color="red"> </font> ) the water then flowed into the headlining ? (<font color="red"> i wouldn't say "flowed" but yes it leaked into the through the headliner </font>) yes ? so that is the exact symptoms of blocked drains.ok, <font color="red"> the depth of water in the tray was not deep enough to do any damage and should of in theory stayed in situ ,due to the temp blocking of the drains </font> I would assume the seal between the tray and roof is not really designed to be "super" water tight thats why drains are fitted. You then un blocked the drains and water flowed down the A pillar ?( <font color="red">the interior side of the a pillar was leaking in to the footwell when the drains were temp blocked </font> ) then the drains must either be kinked somewhere or disconnected somewhere.( <font color="red"> i've also ran a small tube just inside the entrance to the drain and and let water run down the tube/drain to determine whether the drain is blocked or damaged the out come was that the water flowed freely down the drain and exited like it should on the outside of the a pillar </font> water poured down the drains should exit under the car almost immediately. if the drains are good, then the roof tray would never get to the point of 4 mm depth of water, it flows away too quick for that. <font color="red"> i agree,but like i said the drain had been manually blocked to get it to that depth </font> Link to comment Share on other sites More sharing options...
Soundwave Posted November 29, 2007 Report Share Posted November 29, 2007 S8 Abs, you've got me worried because as you have a Final Edition model, I would have thought that Audi would have rectified this issue by the end of the production run of the D2 platform. I too have a Final Edition S8 and thought that I'd surely be ok, but FFS it's unbelievable. Not only that, but I had this problem on the ruddy A6 as well, which was also a pain to sort out. Feckin Audi's.. Please tell me that D3 8's dont suffer from this! Link to comment Share on other sites More sharing options...
Abs Posted November 29, 2007 Report Share Posted November 29, 2007 Don't worry dude, it's a minor issue really. A pain, yes, but at least it's free to fix! lol Thanks to Ska for ALL his help on this problem, couldn't have done it without him. Put a hose down the tube, turned it on, and it got rid of a lot of gunk. Now... no more water leak! Fantastic! Still can't believe that there are so many design flaws with the A8/S8's. It's supposed to be Audi's flagship model! Link to comment Share on other sites More sharing options...
bloem Posted November 29, 2007 Report Share Posted November 29, 2007 I had a similar problem with the whole left hand side floor pan being soaking. In the end I ripped out the whole interior, steam cleaned it, and had my daughter soak the car with garden hose while I was upside down in the front left footwell to spot the hole. I did find it and plugged it with a screw and silicone kit. The hole was right underneath the windscreen bottom left corner under the two metal pipes for the airco. It was in the flat bit of the body work right at the back. I couldn't really get my hand in, but finally with a bit of wire I managed to get a bolt down it and nutted it up from underneath. It has been fine ever since (18 months or so). I hope this is of any help. Cheers, BB Link to comment Share on other sites More sharing options...
Botang Posted November 29, 2007 Author Report Share Posted November 29, 2007 [ QUOTE ] I had a similar problem with the whole left hand side floor pan being soaking. In the end I ripped out the whole interior, steam cleaned it, and had my daughter soak the car with garden hose while I was upside down in the front left footwell to spot the hole. I did find it and plugged it with a screw and silicone kit. The hole was right underneath the windscreen bottom left corner under the two metal pipes for the airco. It was in the flat bit of the body work right at the back. I couldn't really get my hand in, but finally with a bit of wire I managed to get a bolt down it and nutted it up from underneath. It has been fine ever since (18 months or so). I hope this is of any help. Cheers, BB [/ QUOTE ] This one by any chance Link to comment Share on other sites More sharing options...
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