Audi A6 - musty smell in a/c

[dgraber460 at aol.com]

I've used the Frigi-Fresh with only short term improvement. The drains may well be the cause. Where are they located on these cars?


Dennis Graber 
720-838-0558



-----Original Message-----
From: DeWitt Harrison <six-rs at comcast.net>
To: Quattro List <quattro at audifans.com>
Sent: Thu, May 19, 2011 3:29 pm
Subject: Re: Audi A6 - musty smell in a/c


On Thu, 19 May 2011 13:07:36 -0400, Dennis Graber wrote:
> We have had an 05 for 3 years now, and love the car. It is beautiful, runs
reat, and the interior is a benchmark of the industry. (IMO)
 The drawbacks so far have been;
> AC mildew smell that the dealer says can not be cured
 [clip]
Mold/mildew/bacteria in the A/C evaporator condensation tray can be cured
ith some patience and a BG product called Frigi-Fresh, an aerosol spray.
irst make sure your condensation tray drains properly. You should find a
mall water puddle under the car after parking it on a warm, humid day. It
ight be wise to run a wire up the tray's drain hose to make sure the tray
rain port is not clogged.
Proper drainage being established, use the Frigi-Fresh per directions. It is
ey to get good direct access to the A/C air intake. It may require more
han one treatment. Although my old Audi has never developed the musty odor
roblem, my Infiniti is definitely prone to it and I need to treat it
nnually. I like to remove the glove box and under-dash panel to get perfect
ccess in the Infiniti. My $10 spray can of this stuff is still more than
alf full after about 3 seasons of treatments.
DeWitt Harrison
88 5000CS
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