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Reply to "Air Conditioning"

If the system is that rusty, suspect more issues, too.

You really need to pressurize the system and then check for leaks. Compressor and lines are probably 35 years old and may also need replacing. Vendors have full sets ready to go - probably the same cost as having them made locally. R12 is a better refrigerant than r134; something to consider should you be thinking of changing over. Any condensor of general size can be used, but your choices of evap are limited to something that will fit. Vendors offer an evap/heater core unit that has a larger evap section and smaller heater section than stock unit. I'd do that if you need full replacement - cooling needs all the help you can get but the heater always works just fine.

Good luck,

Larry
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