A8 D3 | AC - Air Conditioning

Clean Clogged AC Drain Hose Causing Water Under The Carpet

April 3, 2017 / 2,358 views

While removing the passenger side carpet to disable the MMI Screen motor, I noticed the carpet foam was soaking wet.  Thanks to Audipages post, I removed and cleaned out the AC drain hose. I couldn’t believe there were so much stuff stuck in that little hose. After cleaning it, drove with AC on for about 1/2 an hour, came back, check under the carpet, the condensation existed on top of the AC distributor duct, so it may not just the leaks from the AC drain hose.

Water condensation on top of rear AC Duct

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  1. Hi,

    I have a wet spot on the carpet of the driver’s side of my 2007 Audi S8 (D3). Could you quickly explain how to pull the carpet back? It seems quite stuck and I don’t want to break anything. It seems to be coming from the same spot as on yours. Thanks.

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