Can 20 year compressor overheat the 20V?

[wadd-wadd at usa.net]

Yes, turning the AC on turns on the fan right away.


------ Original Message ------
> ------------------------------
> 
> Message: 6
> Date: Sat, 28 Jul 2012 20:35:50 -0400
> From: Huw Powell <audi at humanspeakers.com>
> To: quattro at audifans.com
> Subject: Re: Can 20yr AC compressor overheat the 20V?
> Message-ID: <50148566.6020609 at humanspeakers.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> 
> Is the HVAC system firing up the radiator fan as soon as you turn it on?
> 
> On 7/28/2012 3:56 PM, wadd-wadd at usa.net wrote:
> > The car is a '91 CQ with a working, original AC compressor. The car has a
new
> > radiator and properly operating cooling system (senors, fan, etc).
> >
> > With AC off, the coolant temp is about the bold line, 90-100 degrees, even
if
> > it's 100 degrees outside.
> >
> > With AC operating, the car overheats if it's more than about 80 degrees
> > outside.
> >
> > I am having difficulty troubleshooting this. The cooling system is
otherwise
> > brand new and operates normally.
> >
> > Can it be the old compressor?
> >
> > What're your thoughts?
> >
> > Thanks.
> >