A6 / S6 (C6 Platform) Discussion Discussion forum for the C6 Audi A6 produced from 2004-present and Audi S6 produced from 2007 - 2011

Hopefully a simple answer for water in trunk

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Old Sep 29, 2019 | 03:59 AM
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Default Hopefully a simple answer for water in trunk

I do wash my car often as I purchased an unlimited car wash option at the local wash facility. Twice now I have had to pull the spare tire and vacuum out standing water. I do know where the weep hole is. Can someone direct please? 2008 A6 Quattro.
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Old Sep 29, 2019 | 05:23 AM
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Originally Posted by roxsr
I do wash my car often as I purchased an unlimited car wash option at the local wash facility. Twice now I have had to pull the spare tire and vacuum out standing water. I do know where the weep hole is. Can someone direct please? 2008 A6 Quattro.
Stop using under carriage wash. Those are high pressure sprayers and will blow water through any crevice, and around those rubber drain plugs.
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Old Sep 30, 2019 | 04:32 AM
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Thanks for the response.
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Old Jun 1, 2026 | 07:39 AM
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That is not the correct solution, but my guess is that there's another issue like a clogged drain. If a round sealing gasket is missing in the spare tire well it should really help evaporate out any water that gets in there from another issue.
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Old Yesterday | 06:24 PM
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The rear sunroof drain runs down the "C" pillar and into the rear wheel well on the forward side under the liner. Your leak sounds different, but IDK. It is hard for me to visualize the undercarriage wash as your issue, the jets are just not in anyone spot that long.

Sorry, I can't be more help.
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