RE: Re: IML: '58 A/C
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RE: Re: IML: '58 A/C



You may be able to take the expansion valve apart and find that the filter screen is clogged.  This would account for high pressure and no cooling.  I had that problem on my 64 and found the screen clogged.  It's fine now.  Don't know if the 58 has the same set up.
 
Jay
64 Iml Cvt
Las vegas






Date: Sat, 15 Jul 2006 09:50:44 -0400
From: randalpark@xxxxxxx
Subject: Re: IML: '58 A/C
To: mailing-list@xxxxxxxxxxxxxxxx

When this happened to me, it was due to a failed expansion valve. The system would get cold right up to it, and no further. No cold air in the car. Condensation is normal on the A/C lines, and even in some cases on the outside of the pump. I have had systems that become frosted over, while working just fine.
 
Paul W. 
 
 
-----Original Message-----
From: estepney@xxxxxxxxx
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Fri, 14 Jul 2006 10:14 PM
Subject: IML: '58 A/C

Hi Gang:
Has anyone any experience with 134a in these units?  I replaced all the hoses, pressure and flow tested the evaporator and condenser, replaced the receiver dryer and expansion valve with R134a compatible parts. The cooling is poor even though the line from the expansion valve to the evaporator is cold. Here’s the kicker, the compressor is so cold that water is condensing on it.
Being a modern G* tech I’m used to the compressor running hot as it compresses the gas, am I missing something?
Oh yeah the compressor is capable of over 300 psi on the high side with the service valve accidentally left closed, oops.  The sump is filled with mineral oil to the correct level and I put 6 oz. of ester oil in the gas side. I charged it with enough refrigerant to clear the sight glass, like old For*s.
Any ideas on this?
 
Ernie and The Black Bitc_!!

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