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Hi folks, well the EOS never fails to surprise. Opened the driver door (Right hand drive) and on the floor mat was a damp patch, under neath damp as well. I have added a picture. I checked outside and even dust/grit (some building works going on) on the outside, no water seen at all in the door seals, checked the windscreen bone dry, just the nearly wet damp patch. Raised the hood and checked in case something from there, but again dry as a bone.

Any clues ? I am baffled.
20200910_144521.jpg
 

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Builders dust & grit around? The damp patch looks to be immediately below the 'A' Pillar and top roof section. Check around your sunroof seals for friction contact with a 10-20 thou feeler gauge. Then check the front and rear drain channels are clear and you haven't got the broken 'A' pillar front drain hose. Search this forum for the fix. Also check the window glasses are staying hard up against the top seal and there are no gaps. Rain in U.K tends to come across on a South Westerly wind. Check which direction you park and which side could face towards the prevailing wind and rain.

If you get this on the rear carpets, it's often because you can't see the window was left open.
 

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Discussion Starter #3
Many thanks for the info. Yes I have checked all as you say, but will check again and the wind suggestion is a good idea perhaps I reverse park my car. Thanks again.
 

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If you have a choice, for long period driveway parking I would park facing forwards down a slope. The rear of the roof and its channel drain under the heated rear window can't take a lot of water. IMHO the front windshield does a better job. Try the hosepipe checks on each side of the car. The sealing weakness around the sunroof is usually in the corners.
 

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Thanks VOX will check, but about 3 months ago I had a full clean and service from a specialist garage that clean and lubricated everything. I was a bit worried that it might have come from inside the car firewall side.
 

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If it's coolant from the heater matrix or its couplings through the firewall (which has happened to somebody) it should taste sweet. But don't drink it because glycol is poisonous in large amounts!

The plenum chamber can take lots of water off the front roof and windshield. But you can run some water into it and see if it leaks inside?
 

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Discussion Starter #7
Oh dear. Just checked and front is damp/wet but the back seat footwell is wet/sodden. I have checked the sides and top, sundroof etc. and no sign of water at all. Any clues ? Thanks folks.
 

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If you get this on the rear carpets, it's often because you can't see the window was left open.
If one side footwells are wet, that suggests hard rain getting in from one side. If you say your roof seals passed my 10 thou feeler gauge grip test, I suggest you look at the window seals including the vertical seal between the front and rear glasses. Smear some Krytox on the seal and check it makes contact to both glasses. Have you done any hosepipe tests yet?
 

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I suggest you look at the window seals including the vertical seal between the front and rear glasses. Smear some Krytox on the seal and check it makes contact to both glasses.
= Thanks will order some as I dont have any. My dealer used that when he serviced the roof.
Have you done any hosepipe tests yet?
= Have checked the coolant and there is not loss so thats okay.

Thanks VOX. Have also turned the car around as perhaps with the heavy winds and big rains we had a few days ago it was fluke and found a weak spot.

Thanks again.
 

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I think that's the best strategy as it could be a fluke combination of wind and rain? Dig deeper if the wetness comes back again. Something to watch for with the roof seals after Krytoxing is the lube can wear off during Summer. Then after opening the roof the seals can pucker up when it's closed, but not every time. I keep a small eye dropper bottle of Krytox in my glove box and eyeball the seals after closing the roof. If they start to pucker up I selectively run some Krytox in those places. We suggest roof seal lube twice a year once in Spring, then again just before Winter it's easy DIY and you know it has been done.
 

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Discussion Starter #11
Just ordering some Krytox, so many that dont seem real, do you have a recommendation ? Using Ebay and Amazon to order mate.
 

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I bought a bulk bottle years ago from GBR Technology U.K. Since then the price for the amount I bought has gone up more than the price of gold! Ebay and Amazon sellers are often selling smaller volumes decanted from large bottles like mine but there could be an opportunity to sell fake stuff? Check feedback and reviews from other buyers. You want 100% clear PFPE oil, not some cycle chain stuff diluted with filler.

You don't use a lot for each roof seal service. Cab. owners are always trying to find the lowest prices and sometimes for the small quantity you need, it's worth checking the Audi and V.W dealer prices first. You don't really need their 'kits' which include a few alcohol wipes for cleaning off bad crud first. With all this Covid hand gel about, that might be a good first time seal cleaner?
 

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I bought a bulk bottle years ago from GBR Technology U.K. Since then the price for the amount I bought has gone up more than the price of gold! Ebay and Amazon sellers are often selling smaller volumes decanted from large bottles like mine but there could be an opportunity to sell fake stuff? Check feedback and reviews from other buyers. You want 100% clear PFPE oil, not some cycle chain stuff diluted with filler.

You don't use a lot for each roof seal service. Cab. owners are always trying to find the lowest prices and sometimes for the small quantity you need, it's worth checking the Audi and V.W dealer prices first. You don't really need their 'kits' which include a few alcohol wipes for cleaning off bad crud first. With all this Covid hand gel about, that might be a good first time seal cleaner?
The Covid hand sanitiser is nothing more than 70% Isopropyl Alcohol and 30% other additives to act as a skin rehydrator/softener - for this reason I would not use it on the seals as these additives most likely will reduce the effectiveness of the alcohol in cleaning the seals and/or the effectiveness of the subsequent Krytox application.

Pure Isopropyl Alcohol is usually available in the Paint section of hardware stores as it is a widely used degreasing agent before painting. A 500ml bottle here in Australia costs AUD27 [GBP15. USD20] - like Krytox; a little goes a long way if you move fast when applying as it evaporates very quickly.
 
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Ha ha, love it. In fact checking the stuff out you might as well be using virgin olive oil, but as the EOS is some kind of idol worship symbol created by VW I had better not. Found a few offers for very small bottles around the 40 Quid mark. Seems that digging around other mythical organizations use such fluids and I think its total bollocks that some magical oil that will fix all like the spirit of alixia that is upon us. I have had a few convertible cars in my time US, Brit etc but this spoilt brat of a VW really takes the cake. If I had of researched before I bought I would never ever have bought it.
 

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Ha ha, love it. In fact checking the stuff out you might as well be using virgin olive oil, but as the EOS is some kind of idol worship symbol created by VW I had better not. Found a few offers for very small bottles around the 40 Quid mark. Seems that digging around other mythical organizations use such fluids and I think its total bollocks that some magical oil that will fix all like the spirit of alixia that is upon us. I have had a few convertible cars in my time US, Brit etc but this spoilt brat of a VW really takes the cake. If I had of researched before I bought I would never ever have bought it.
Wrong - Krytox GPL105 is recommended by many vehicle manufacturers for maintaining door and window seals especially for convertibles and cars with frameless windows.

Whilst the initial cost my seem excessive, a little goes a long way when properly applied - this is when you realise the cost is a minor irritant as a small container will last for several years with twice yearly applications.
 
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If I had of researched before I bought I would never ever have bought it.
You don't have to do anything to an EOS roof yourself. Just check your car in to a V.W Dealer for an 'EOS roof service' which is a standard procedure and pay the bill? Would you put Mazola corn oil in your engine because fully synthetic engine oil is too expensive? Tin top cabriolet roofs are high maintenance, but other brands are similar prices and use the same stuff, ask the Audi and Merc. dealers for their prices.

Happiness is a well oiled non-sqeak and leak free EOS roof. :) An unhappy EOS owner is one with water leaking inside the cabin who does nothing about it 😢: Condensation on the inside of windows, no rear view as the screen is always misted over damaging the defroster, front door vinyl cappings and door cards peeling from water an condensation, sunroof dripping with water inside and motor jamming, expensive sunshade rotting, unpredictable electronic parts and connector failures caused by condensation and high cabin humidity, wet carpets & leather seats, water in the trunk leading to pump failure, water on the roof controller causing roof faults, water dripping on your knees from above and door control switch faults.
 
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