Automatic Climate Control 1990 Audi 100
Michael McLaughlin
mcloffs at mac.com
Thu Jul 10 12:04:25 PDT 2014
I bought the 100 in 1996 and kept it for a little more than two years. Nothing was wrong with it, except that it wasn't a Miata — I fell in love with the sports car and was at a place in my life where it was a sufficient daily driver. I sold the 100 to a friend of mine and he drove it for many years before it was totaled in an accident. In retrospect, it was in many ways the best of the three Audis I've owned. It was practically trouble-free, which I can't say for the 90 Quattro and B5 A4 I later had and that drove me away from German car ownership.
If anyone else is in need of a programmer, let me know. One of these days I'll be rid of my collection of extraneous Audi parts. :-)
-Mike
On Jul 10, 2014, at 6:37 AM, mboucher70 hotmail.com <mboucher70 at hotmail.com> wrote:
> Hi Mike,
> the offer sounds great, but just a few hours earlier I'd placed an order from Force 5 for a large number of items, most notably an A/C compressor to try and get that working again, and I included the AC programmer in the order.
>
> But what do you mean your 'long-since departed 1990 100'? I was under the impression that 1990 100's lived forever <wlEmoticon-smile[1].png>
>
> Seriously, what did her in, in the end? Always wondering what the issue is that pushes owners from “repair” to “get rid of”. Is it one big thing, lots of little things, rust, or just a desire for newer technology.
>
> Thanks again,
> MC
>
> -----Original Message-----
> From: Michael McLaughlin
> Sent: Wednesday, July 09, 2014 3:22 PM
> To: quattro at audifans.com
> Subject: Re: Automatic Climate Control 1990 Audi 100
>
> If you're in need of a whole AC progammer I have one I bought new in the late '90s for my long-since-departed 1990 100 and never ended up using. It's been taking up garage space for 15 years so I'm not looking to get a king's ransom for it. :-)
>
> -Mike McLaughlin in Spokane, Wash.
>
> On Jul 9, 2014, at 12:00 PM, quattro-request at audifans.com wrote:
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> > 1. RE: Automatic Climate Control 1990 Audi 100 (Bob Kunz)
> > 2. Re: Automatic Climate Control 1990 Audi 100 (Snoopy)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 8 Jul 2014 12:07:21 -0600
> > From: "Bob Kunz" <bob at house-notes.net>
> > To: "'mboucher70 hotmail.com'" <mboucher70 at hotmail.com>,
> > <quattro at audifans.com>
> > Subject: RE: Automatic Climate Control 1990 Audi 100
> > Message-ID: <016901cf9ad7$776e09a0$664a1ce0$@house-notes.net>
> > Content-Type: text/plain; charset="UTF-8"
> >
> > There was a TSB for "oil in the programmer" on these vintage cars that use the Delco designed A/C controller. Essentially, the vacuum line feeding the vacuum solenoids can collect some oil that migrates down to the box. This is turn jams the solenoids. The fix is to insert an offset gas filter in the line so that the any oil will collect in the low point of the filter.
> >
> > That may or may not be your problem though but worth a look see to understand if any oil has migrated down to the vacuum solenoids. Your symptom is precisely what happens when the vacuum motors that control the flaps get old. They have difficulty actuating against the air flow when the fan speed is high. You can confirm by using low fan speed or as you find raising the temp and then lowering (which decreases fan speed for a moment). If it's a manual you can increase engine vacuum momentarily with a deceleration. In a 15 year old car you will likely also find cracks in the vacuum lines so your actuators may not be getting good vacuum. That's easy stuff to replace. The actuators are way harder. You may just have to live with it.
> >
> > --bob
> > '86 5Ks Avant
> >
> > -----Original Message-----
> >
> > Recently started getting some unusual behavior from the climate control. On A/C, with the climate control set to “Auto”, air is normally directed through the front and side vents.
> >
> > Now, at random intervals, it will redirect all the cooling to the footwell vents. At other times it might redirect all the air to the windshield vents. Sometimes it corrects itself, but more likely I need to reset it by raising the temperature then lowering it back.
> >
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> >
> > ------------------------------
> >
> > Message: 2
> > Date: Wed, 9 Jul 2014 21:15:05 +0300
> > From: Snoopy <snoopy at noway.lt>
> > To: quattro at audifans.com
> > Subject: Re: Automatic Climate Control 1990 Audi 100
> > Message-ID: <1721212952.20140709211505 at noway.lt>
> > Content-Type: text/plain; charset=utf-8
> >
> >> Recently started getting some unusual behavior from the climate
> >> control. On A/C, with the climate control set to “Auto”, air is
> >> normally directed through the front and side vents.
> >
> >> Now, at random intervals, it will redirect all the cooling to the
> >> footwell vents. At other times it might redirect all the air to the
> >> windshield vents. Sometimes it corrects itself, but more likely I
> >> need to reset it by raising the temperature then lowering it back.
> >
> > I would check the diagnostics screen before tearing apart vacuum
> > hoses...
> >
> >
> >
> > --
> > Snoopy
> > \/noway.lt/\
> >
> >
> >
> >
> > ------------------------------
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> > End of quattro Digest, Vol 129, Issue 13
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