Stay away from dye and stop leak,they will only cause more problems. You don't need much pressure to find a leak that big. In fact,high pressure through a large leak can blow soap off without making bubbles. Use refrigerant or nitrogen to put 50 pounds or so pressure in system then go over everything you can reach with bubbles or soapy water. Do not use compressed air,you will never get all the moisture out later. If that doesn't find it,borrow a sniffer from a auto parts store. Again,the system doesn't need much refrigerant in it while tracking large leaks. Check areas you couldn't reach with bubbles.You don't need to have access to evaporator,just find a way to get sniffer inside evaporator case and there will be plenty refrigerant concentrated inside case to set sniffer off. If possible, have an expert change drier,evacuate and recharge. You can borrow vacuum pump at auto supply if you want.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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