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Elvis · 07-17-2006, 07:11 PM

I have a '67 with factory air and have just changed everything - dryer, compressor, expansion valve, etc - out to switch to 134. I bought the compressor (the big cast iron one) from Auto Zone and they assured me that it is compatible with 134. Well, it cools OK but the compressor makes a lot of noise which it did not do when I was using R12 - I have tried two compressors, same noise. Any ideas? I can't exist in this Texas heat without air but I could do without the noise. Thanks, E.

07-17-2006, 07:11 PM	#1
Elvis Registered Member Join Date: Jun 2000 Location: Sherman, Texas Posts: 188	Factory Air I have a '67 with factory air and have just changed everything - dryer, compressor, expansion valve, etc - out to switch to 134. I bought the compressor (the big cast iron one) from Auto Zone and they assured me that it is compatible with 134. Well, it cools OK but the compressor makes a lot of noise which it did not do when I was using R12 - I have tried two compressors, same noise. Any ideas? I can't exist in this Texas heat without air but I could do without the noise. Thanks, E.