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Re: Air Con Retrofit
Posted by Kappy (more from Kappy) on Tue, 3 Dec 2002 17:59:24
In Reply to: Re: Air Con Retrofit, rupert, Tue, 3 Dec 2002 16:52:45
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If the conversion is done correctly, ultimate cool down will be the same as with r12. Cool down when the interior of the car exceeds 120F is slower than with r12 and also slower than 93+ cars with factory r134a (also including most 92's).
There are 3 keys to the conversion beyond parts. The first is thorough flushing to remove all of the old mineral oil. The second is to pull a long, deep vacuum. The third is to charge by pressure to an exact multiple of high side pressure to ambient temperature. I use 2.9 in Farenheight/PSI.
What happened with your old compressor? Did the clutch shaft seize, or did the front seal leak out all the refrigerant? If it's a front seal failure, you will not have compressor guts floating around in the system.
posted by 64.91.161...
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