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Old 09-20-2016, 09:50 PM
DrRadar DrRadar is offline
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Re: 99: A/C compressor failure

Looking for air conditioner service advice.

Although the entire a/c system, except the refrigerant lines, was replaced a year ago, I can not get the compressor replaced under warranty because I do not have a receipt for a/c flush. I followed the FSM when doing the work and it does not mention performing a flush. I apparently didn't read the instructions that came with the third party (Four Seasons) compressor which specify performing a flush.

I've done some auto a/c work in the past, mostly with R-12 systems but some with R-134a. Have never done a flush and have never had a compressor fail.

What's the procedure for the flush? Can I flush with components (especially condensor and evaporator) in place? Does the flush remove all the PAG oil from the components? How much PAG oil to add to each component? So many questions...

I would like to do this myself because I think a shop would charge (at least) $800 - $1000. It shouldn't be that difficult. But I don't want to go through this again.

Guidance appreciated.
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