[Shotimes] Re: A/C Help?

[Kevin & Cheryl Airth]

Mark:
 I think he is right. My bet is the compressor dumped some trash and it is
now collected very solidly in your orifice tube, Causing the high pressures.
.
.
.


> Here's the latest!
>
> I  took it to a shop that was highly recommended both by a good friend of
> mine who is into cars (his latest is a '70 El Camino SS454 LS-6) AND my
auto
> parts guy (who owns his own shop).
>
> The gauges said 150 high and 250 low!  That doesn't mean anything to me
> EXCEPT the numbers sound backwards...
>
> The pressure holds long after shutting down.
>
> The shop owner says it means that there is a bad restriction in the system
> somewhere and suggested replacing the liquid line (with the orifice valve
in
> it) and the receiver drier.
>
> He also warned me that, once it is opened up, he may find that the
> compressor is coming apart and that is what caused the clog.
>
> He also suggested converting to R-134a.
>
> It's going in early tomorrow morning.
>
> Any last minute suggestions/ideas, guys and gals?
>
> Thanks,
>
> Mark
>
>
>
>
>
> Well, WRONG AGAIN, Mark <G>
>
> It seems that the A/C clutch is operating properly.
>
> My brain is fried (probably from driving the SHO w/no A/C).
>
> Does that pin it down to loss of Freon (leak)?
>
> Can a sniffer find a leak on an empty system?
>
> Thanks again,
>
> Mark
>
>
>
>
>
>
>
>
> Folks,
>
> My '90 w/ETAC and R12 was having clutch gap problems so, a couple weeks
ago,
> I pulled out the last shim and it blew cold as hell..
>
> Yesterday the A/C stopped dead in the middle of a ten mile trip.
>
> I'll do the research and diags but I wondered if anyone could suggest what
> the most likely cause could be, thus perhaps saving me a lot of grief.
>
> I haven't done anything yet except to observe that it has never even tried
> to blow cold since it stopped..
>
> It's not blowing THAT hot. so it's not a blend door.
>
> Electrical?
>
> Loss of Freon?  (Why now?)
>
> Can an ETAC self test help?
>
> Any and all help appreciated.
>
> Thanks,
>
> Mark