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Re: Fails vacuum leak test (badly) but can't find leak
Posted to HVAC Forum on 4/8/2021 5 Replies

I do see a small dirty/oily area at compressor shaft. But I don't detect any leakage. I am envisioning if the front lip type seal was worn it could suck possibly vacuum backwards but be forced tighter onto the shaft when pressurized. I suppose I could prove th... Login to read more.

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