[urq] Heating-Ventilation
Max Hoepli
mhoepli at vif.com
Fri Dec 30 08:49:51 EST 2005
Where is the drainage hole for the evaporator box in the series 44 Audi?
Want to be sure water can exit.
Max
----- Original Message -----
From: "Kneale Brownson" <kneale at coslink.net>
To: "Max Hoepli" <mhoepli at vif.com>; "Fred Munro" <munrof at sympatico.ca>;
"Thomas Pollock" <tompollock2002 at yahoo.com>
Cc: "Urq List" <urq at audifans.com>; "Quattro at AudiFans"
<quattro at audifans.com>; <w-t_audifans at yahoogroups.com>
Sent: 27, December 2005 17:41
Subject: Re: [urq] Heating-Ventilation
> You're correct that a common spring anchor failure is that the spring cuts
> through the plastic bar. But it also was common that the part of the
> spring that attached to the bar would break off the spring, leaving a
> shortened spring hanging from the flap door.
>
>
> At 02:55 PM 12/27/2005 -0500, Max Hoepli wrote:
> >
> >When I took recirc flap off, stuck spongy molding 9mm wide around
perimeter
> >of evap box facing inside. Was not able to find spring. Took car to
mechanic
> >who had a spring for this application, he installed spring between
plastic
> >arm, which was unusual since it was still intact which is between the 2
> >plastic arches and the hole on that plastic center of the recirc flap.
The
> >vacuum servo was broken off from between the 2 plastic arches which are
> >attached to evap housing. He said I can go through the winter with this
> >arrangement since windows won't fog up, but in the spring will have to
have
> >vacuum servo attached to arms or else fresh hot air will be cooled by
evap
> >coil and take longer to cool interior of car. The vacumm hose, which is
the
> >common vacuum suction with heater core vacuum servo was off from the
> >recirc/fresh air vac servo, that will have to be reattached. He fixed
> >problem with spring for $C20.00.
> >
> >
> >Max
> >
> >
> >----- Original Message -----
> >From: "Fred Munro" <munrof at sympatico.ca>
> >To: "Max Hoepli" <mhoepli at vif.com>; "Thomas Pollock"
> ><tompollock2002 at yahoo.com>
> >Cc: "Urq List" <urq at audifans.com>; "Quattro at AudiFans"
> ><quattro at audifans.com>; <w-t_audifans at yahoogroups.com>
> >Sent: 24, December 2005 17:32
> >Subject: RE: [urq] Heating-Ventilation
> >
> >
> >> Hi Max;
> >>
> >> Well, you've found where the spring should be attached. Now you need to
> >get
> >> a spring and hook it up so the door will stay closed. I'd say you've
also
> >> found the cause of your fogging problem. The original spring should be
in
> >> there somewhere - it can't go very far.
> >>
> >> Merry Christmas!
> >>
> >> Fred Munro
> >> '94 S4
> >>
> >>
> >> -----Original Message-----
> >> From: quattro-bounces at audifans.com
> >> [mailto:quattro-bounces at audifans.com]On Behalf Of Max Hoepli
> >> Sent: December 24, 2005 4:40 PM
> >> To: Thomas Pollock
> >> Cc: Urq List; Quattro at AudiFans; w-t_audifans at yahoogroups.com
> >> Subject: Re: [urq] Heating-Ventilation
> >>
> >>
> >>
> >> Disassembly:
> >>
> >> I have taken away the glove box, had to use a flashlight to find the 2
> >> Philip Screws which were on top of the glove box, then I removed a
plastic
> >> cover with insulation on the top, this plastic cover is held on by a
nut
> >on
> >> the right to same frame bracket which supports right side of glove box
+ a
> >> Philips Screw on the left screwed upwards, easy to remove. I then saw
what
> >I
> >> assume is the recirculation flap. The evap coil visible behind recirc
> >flap.
> >> Vacuumed out leaf and dirt debris around evap coil.
> >> What is this black tube like thing hanging on the left in front of evap
> >> coil?
> >> I removed the recirculation flap unscrewing 2 long Philip Screws left
and
> >> right. the insulation in front was intact but there is a spongy molding
> >> around the back edge which seems to have shifted. In the middle of this
> >> recirc flap there is a round plastic piece 4 cm in diameter with a
rising
> >in
> >> the middle with a hole in it. I think there is the spring that should
be
> >> attaching this part to the air recirc servo Cannot find this spring. I
> >> removed recir flap and cleaned it. Will put on similar molding.
> >>
> >> When I feel in behind recirc flap in front of evap coil I feel this
round
> >> gadget which is moving but not removable, making a hollow rubbery
noise. I
> >> think this is the air recirculation servo. What do I do next?
> >>
> >> Max
> >> ----- Original Message -----
> >> From: Thomas Pollock
> >> To: Max Hoepli
> >> Sent: 23, December 2005 21:02
> >> Subject: Re: [urq] Heating-Ventilation
> >>
> >>
> >> Max,
> >>
> >> thanks for the followup. Now to find some time... 8-(
> >>
> >> happy holidays,
> >>
> >> tom.
> >>
> >> Max Hoepli <mhoepli at vif.com> wrote:
> >> I received this as a good answer:
> >>
> >> Your recirc flap actuator is probably broken. This is a very well
> >> known problem with type 44 audi's, and is pretty easy to fix. To
> >> check, remove the glove compartment, and, with the car running, and
> >> the heat on, look up at the recirc flap. It should be pulled up,
> >> sealing up the opening into the interior of the car. What happens
> >> though is that the mount for the actuator brea! ks, and the door
stays
> >> in the recirc position all the time. I think the dealers have a kit
> >> to fix this, but I did my own fix. It happened so long ago now that
I
> >> don't remember how I did it. Also, I hear sometimes the spring
breaks.
> >>
> >> Also, if you use the audifans.com web site, you'll probably find a
> >> more detailed write up on this issue. Many people have had this
> >> problems. I'd say almost all type 44 audis experience this problem
at
> >> some point.
> >>
> >> ----- Original Message -----
> >> From: Thomas Pollock
> >> To: Max Hoepli
> >> Sent: 18, December 2005 17:17
> >> Subject: Re: [urq] Heating-Ventilation
> >>
> >>
> >> Max,
> >>
> >> can't wait to see what you get for responses... I just bought a
> >1990
> >> 100 (very similar system) for a new driver in the house and have the
same
> >> issue. From past experience, it's always been either sucking moisture,
as
> >in
> >> a pile of leaves/crud stuck in the intake, or no fresh air intake.
> >>
> >> I did clean a pile of crap out of mine, which seemed to help a
> >little
> >> but I'm pretty sure the real problem is I have a flap inop somewhere. I
> >> haven't had a chance to get a good look but I don't have an obvious
"fresh
> >> air" or "recirc" bottom so I question how you get fresh air when temps
get
> >> below freezing if they rely on the a/c system to get the moisture out.
No
> >> surprise my a/c is also inop..! .. hmmm coincidence ? 8-)
> >>
> >> tom.
> >>
> >> Max Hoepli <mhoepli at vif.com> wrote:
> >> Hello All!
> >>
> >> I have a 1986 Audi 5000 Quattro 4 door, the heating works, it
> >> becomes hot inside car, though the windows can fog, especially in the
> >back,
> >> and fogs faster when there are more people inside the car. The rear
> >defogger
> >> functions, when degogger is turned off, the back light will fog,
turning
> >the
> >> defogger on again, the back light will unfog. The windows have been
> >tinted.
> >> When turned on to "Auto" the vents on the left and right edges of the
dash
> >> will unfog side windows in the front, better that center vents be
turned
> >off
> >> to have more air exiting from the edge vents. At times I am driving
with a
> >> very warm front cabin with temperature showing "HI" with outside
> >temperature
> >> of -4C but with foggy windows.
> >> I wonder if the vent like slots behind the! rear speakers below
> >the
> >> back light have any role in this issue of windows fogging. On the
outside
> >at
> >> the bottom of C-pillar, just behind rear quarter window, there is a
> >plastic
> >> covered section, painted the same as! the body, I can peek in behind
this
> >> vent like cover. I wonder if this has any role in the fogging of
windows?
> >>
> >> Any suggestions to the solution of this fogging?
> >>
> >>
> >> Max
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> >>
> >>
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>
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