Quote:
Originally Posted by 88911coupe
Thanks for the comments, I guess I can keep them for now. What has me a little confused is that it's overall performance is still a little underwhelming. I have to clarify that in early spring there was a small leak that required snugging up a connector. I put the gushes on it and was getting 17/175 which is obviously undercharged, however in checking the P/T charts that should result in really cold evaporator temps and icing but I'm only seeing 40 degrees at the vents with a temp drop of about 20 degrees from the intake air.
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Fan/blower speed..??
Ignoring that question for the moment...
At 40F vent temperature you have probably "hit the wall", the TXV is regulating/limiting the evaporator core temperature to just above freezing, assuming it is operating properly.
You may note the confusion some of us are voicing regarding the oftentimes posting pictures displaying vent temperatures just above, at, and even below freezing. Those are undoubtedly, IMO, the result of someone "monkeying" with the factory settings, calibration, etc.
I suspect we would all welcome anyone to explain, fully explain, those freezing or below vent temperatures.