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Old 10-19-2013, 16:34   #1 (permalink)
kutcha05
 
Join Date: Nov 2009
Posts: 25
To flush or not to flush?

Hi all,

I have a 1999 Mercury Grand Marquis and I am trying to decide if i should get it flushed or not. I disconnected a part of the ac system about 4 years ago and forgot to vacuum out the system before adding freon. After a while the compressor seized up on me and i put a bypass pulley on since i couldnt afford a brand new compressor from the parts store. Now i found ac kits online for the same price as the compressor by itself in the parts store. I did not plug the two openings for the hoses that connects to the compressor. The compressor has been off for 4 years. Should i have the system flushed before installing the new components or will it be ok?
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Old 10-19-2013, 17:27   #2 (permalink)
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Re: To flush or not to flush?

Not sure on the flush but a new filter/drier for sure.
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Old 10-19-2013, 19:56   #3 (permalink)
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Re: To flush or not to flush?

As JWKO said, new filter-drier. Also, the flush would help. You may end up having to evacuate it and re-flush it in a year or two and maybe a TXV replacement. Contaminants from oxidation and moisture tend to come back to haunt you quite a bit in an AC system. If you don't have the capability to do it yourself, it might be worth considering a system replacement and bite the bullet in one shot. If you can do it yourself, don't be surprised if you have to go back in.
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Old 10-20-2013, 07:07   #4 (permalink)
kutcha05
 
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Re: To flush or not to flush?

Thanks guys. I was going to install the new orfice tube, drier, and compressor myself after having it flushed (if needed). Then i was going to vacuum the system and charge it myself to try and save money. I may just have to let a shop do it all. It would have been better if a put another compressor on ther as soon as i took the old one off.
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