Weak Chassis AC
I see all sorts of threads on coach AC issues, but little on chassis (Freightliner XC in particular). The air flow out the dash vents is OK, but AC is barely cooler than Vent. Suggestions on where t...
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There is a very good chance that you dumped all of the gas when you checked the compressor oil. I would suggest an AC tech to pump it down to vacate the system and then refill with the R134A. Unless you have a vacuum pump it is not a DIY job.
