[s-cars] bashful boost leak

[Varon H. Fugman]

Recirculate won't stay on unless the A/C compressor (snowflake) is on, and
the compressor won't stay on if it is cold outside (below 40F or
thereabouts).  So unless it was warm outside, your HVAC is probably behaving
normaly (i.e. not acting up due to the vacuum leak.)

Doesn't the vacuum line to the ECU have a T fitting and also go to something
behind the right hand kick pannel?  Been a while since I've been in there,
so I may be totaly off.

Varon
'95 urS6

-----Original Message-----
From: s-car-list-admin at audifans.com
[mailto:s-car-list-admin at audifans.com]On Behalf Of Chad Hall
Sent: Tuesday, February 04, 2003 1:32 PM
To: s-car-list at audifans.com
Subject: [s-cars] bashful boost leak


This is a multi-part message in MIME format.
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For the past week I have been trying to locate a MAJOR boost leak in my S6.
I replaced a few questionable rubber lines (mostly around the ECU) but still
have a huge leak somewhere above the front passenger footwell.  I removed
the rain tray in the engine bay and inspected the vacuum lines underneath
but have been unable to locate the source of the leak.  The sound is nearly
as loud as rolling the window down compared to a closed cabin (and sounds
similar).  I just returned from a road test with a friend driving while I
was underneath the glove box, looking up.  I noticed the flap for the HVAC
opening wide just when the boost fell flat & the Nor'easter appeared in the
footwell.  I have to admit that I know little about the heating/cooling
system in terms of vacuum lines, solenoids, etc. I did check the
recirculating button on the control panel and it wouldn't stay on.  I then
checked the A/C button--same thing:  would light up when pushed but wouldn't
stay on.  The heater and defroster both work fine.  Could my boost leak be
electrical in nature, bad switch or solenoid?  I was looking for what
sounded like a 8" boost line ripped apart when I think I could use help
dissecting my HVAC system.  Any experts out there?

Thanks,

Chad Hall
95 S6
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