Strange behaviour from climate control

[brian hoeft]

If you had'nt mentioned replacing HVAC related components in the near past,
id bet 20 debt notes that its your battery, but you *did* replace those
items so im gonna say it *could* be your battery, but i'd want to pull the
cluster head, de-oxit the connetctions and replace with a good sense of
optimism then go from there.

-brian



.

On Fri, Jun 25, 2010 at 3:50 PM, Dag Bøsterud <
dag.boesterud at consulgranada.net> wrote:

> The climate control in my 1990 Audi 100 TQ Sport started to act up today.
> It was abot 74 F outside and the system was blowing cold out of the centre
> vents,
> when it suddenly started to blow cold out of the top vents. Along with
> this, the fan
> speed decreased. This lasted for a few seconds, and then everything went
> back to normal.
> This happened one more time on by 45 minute trip.
>
> Tonight when driving home it was raining heavily outside, and I pushed the
> HI-button.
> Nothing happened. It seemed like the fan was running on 50% or something.
> After setting the temperature to HI and LO a couple of times I got the fan
> to start
> at full speed.
>
> The fan, heater core and temperature regulater motor was replaced with
> brand new parts
> (bought at Autohaus Arizona) about three months ago. There's no fault
> codes.
>
> What can cause this funny behaviour?
>
> /Dag
> 1990 Audi 100 TQ Sport Exklusiv
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