[200q20v] Re: [200q20v]another defrost problem

Tresturbos at aol.com Tresturbos at aol.com
Wed Dec 5 13:22:20 EST 2001

<< The misting of the windows with the defroster on sounds like you may
have a problem with the broken fresh air flap or a bad heater core. Does it
smell like antifreeze when the defrost is on?

If it does not clear, it is also possible that your A/C compressor is
not working properly, as that should clear any condensation before it
happens. >>

Interesting that this should come up, as I was going to ask about this kind
of problem as well.  Only in my case, the defrost works fine for long periods
of time, only to completely fog the windows after driving through a curvy
section of road just a 1/2 mile from home.  It fogs up quickly, and so
extensively that if I didn't roll down all the windows, I wouldn't be able to
see my way home! One time, when I left the windows closed, I parked on the
side of the road and waited about 10 minutes for it to even partially clear

I'm thinking that in the curves, water must be sloshing into an opening
somewhere in the ventilation path. Not knowing how the system works, I
haven't a clue what to look for.  BTW, every time this has happened, the
outside temperature has been sub 37-40 degrees(f).

Any recommendations or advice would be appreciated.

Mitch Frey
Portland, Oregon
'91 200tq IA Stage 3
'00 A6 2.7T

More information about the 200q20v mailing list