Sorry if this is a double-post, I had problems getting this message to send...
A few degrees ambient temperature change is not going to have a significant
impact on a/c performance. If the outside temperature goes from 100 to 105
degrees, your vent temperature will change a few degrees... it will not go from
working fine to warm air. Your problem appears to be a component failure due to
heat saturation. I would investigate two things first: the ambient air temp
sensor, and the a/c clutch. The ambient air sensor will be easy to test because
it will send the EATC a false reading when it goes into failure mode. The next
time the heat gets so high that the a/c stops working, hit the button on the
EATC to see what the sensor is telling the EATC. If it reads a proper
temperature, you can try the "tap-test" on the compressor clutch, or even cool
it down with a can of keyboard dust remover. Might also have a bad electrical
connection in the chain.
David
-----Original Message-----
>From: clubairth@bellsouth.net
>Sent: Jul 23, 2006 8:58 PM
>To: Mike <srfdude@adelphia.net>, SHOtimes@autox.team.net
>Subject: Re: [Shotimes] AC woes
>
>Mike:
> You need to look and see if the compressor is turning when you have warm
>air. At those high temperatures you might be a bit low on Freon?
>.
>.
>
>
>
>> This is only the second time I've been in 100+ temps since I've had my
>> garage
>> queen 95 ATX. Both times the same thing: the ac blows warm air. Today
>> at
>> 105 (major heat wave in SoCal; my daughter had to play soccer in it) it
>> wouldn't get cold at all. But driving home as the temp dipped below 100,
>> voila. Cold air. Worked great all the way home. So very hot temps cause
>> no
>> AC; is this likely a clutch problem, or something else?
>> Mike
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