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Old 08-20-2021, 07:10 AM   #16
RZNT4R
Professional Mechanic
 
Join Date: Apr 2010
Drives: 2017 86 6MT Oceanic
Location: Quebec, Canada
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Quote:
Originally Posted by Ossiko View Post
Well I’m not sure, because when he said this to me, and I know nothing about cars, so it was concerning to me. It blows cold air perfectly fine, when the car is in idil, the engine runs, then for a second as the compressor cycles you can hear your RPMs drop a bit, then it picks up again, and the cycle continues etc. Weather was about 80ish degrees and humidity was about 80-90% so I wouldn’t think the ambient had anything to do with it, but I could be wrong
Ambient conditions have EVERYTHING to do with AC performance. 80 degrees and nearly maxed humidity is a decent load on an AC system, if your air outlet temp is in spec, it's likely fine. To test your air outlet temp: Hood closed, windows down, MAX AC setting and max blower speed, 1500 RPM, let you thermometer stabilise.
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