TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

Rattling behind HVAC/Radio Controls

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Old Jul 4, 2006 | 07:32 PM
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Default Rattling behind HVAC/Radio Controls

When I turn on my car (engine start), I hear a consistent rattling/ticking coming from behind the HVAC or Radio controls. The sound is less when the A/C is off, but not by very much.

Nothing seems to be loose, and the rattling doesn't vary by speed.

Anyone else have this issue?

Thanks...
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Old Jul 4, 2006 | 08:06 PM
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temp sensor fan, warranty issue
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Old Jul 4, 2006 | 09:34 PM
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Default Care tp elaborate?

Mine does this too...

If I took it to audi they would just fix it?

I have a 2001 and my warranty is already up. Was it some sort of recall?
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Old Jul 5, 2006 | 06:12 AM
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Default Not positive the TT uses this

<img src="http://img.eautopartscatalog.com/live/R300561630OES.JPG">

From an A4 guy...

"I believe it pulls air into the climate control head so it can determine whether it needs to blow hotter or colder air. I've heard that you can rip the fan out completely and it'll still work, but it'll be slower to react."
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Old Jul 5, 2006 | 07:16 AM
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I had the same problem, it is the temp sensor fan. It was fixed under warranty.
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Old Jul 5, 2006 | 09:34 AM
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Default mine had a fan rattle sound as described, and

the whole climate control module was swapped under warranty. Dealer trip #14 I think. If you are not under warranty, they will charge you.
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Old Jul 5, 2006 | 11:29 AM
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Default Is it just an annoyance or is it something I should fix...

I know that sounds dumb, but the sound doesn't bother me...

I'm guessing the new HVAC stuff is 10 thousand dollars.

hah
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Old Jul 5, 2006 | 12:31 PM
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dunno, sorry
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Old Jul 5, 2006 | 01:36 PM
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It would still work, but the "Auto" controls part would not respond as quickly.
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