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Old 05-22-2017, 12:54 PM   #17
Ivan
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Join Date: May 2017
Location: Croatia
Posts: 26
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Update on my case
Diagnostics showed i had 400 grams of 134a instead of 850, and 12ml of oil. System is now filled with 850 grams of refrigerant and 10ml of oil (dont know why if there was 12 but macanic said its okay, that most cars are okay with 10.) Cooling is now significantly more efficient at higher fan power settings, but still my compressor is disengaging while driving. I find that annoying and im worried about clutch wear. Since its working continously on idle and lets say 1500 rpm my guess is that compressor is ,,overpowered" for that system because all liquid refrigerant may not be able to evaporate before exting evaporator if compressor is running at higher rpm. It bothers me quite a lot because im driving on straight road for half an hour at exactly 50mph, engine about 2250 rpm in fifth gear and my compressor is disengaging every 25 sec, wich has no sense to me at all since that is relatively low rpm. It just gets worse when driving on highway...
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