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Old 05-06-2008, 05:32 PM
falconsprint falconsprint is offline
1989 560SEL, 1998 CL600
Join Date: Jan 2006
Location: Bay Area CA
Posts: 47
Dye is the best way to go. You can buy a kit that includes the dye, an injection syringe, a UV light and glasses. Or just take it to a shop.

You might find the leak by visual inspection. Usually some compressor oil will leak with the R12. Check fittings with your fingers for oil. Look for dirt that has accumulated on the oil.
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