yes, you can flush the entire system, clear all the lube out and "start from scratch", but it is a painstaking process, clearing out the compressor is relatively easy, but when it comes to the condenser it's another story, it's one thing when it's on a 400 Ton Reefer Unit like what i work on, but completely different on something that fits in your engine compartment.when you have to replace 2 or 3 of the 4 "biggest" sections of the system it's better in the long run to replace the entire system. everytime you change out a major part on a system you risk having that part die the same way the previous one did, even when you've taken the measures to prevent it. but i don't understand how the electric motor lubricant could get into the system, though if it did i can safely say that it would destroy the system. the wrong SYSTEM lube, yes, the wrong MOTOR lube, i doubt it
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