Model: Grand Am
Engine Size: 2.4?
Refrigerant Type: 134
Ambient Temp: 84
Pressure Low: 32
Pressure High: 210
Country of Origin: United States
My neighbor is going to take a road trip and wanted to make sure his a/c does not give him trouble, so wanted me to top off the r134. I asked is the a/c is working ok? Yes. Ok, will it get you as cold as you want? Umm....yeah. Turns out, he wants to make sure that his WIFE does not give him trouble if the a/c doesn't keep her cool enough! (THAT I understand!)
I took readings and told him it's not a good idea to top off r134, and that if too much is added it could cause problems that he doesn't have now. And to call his buddy (who lives 100 miles away and does a/c professionally) with the readings in order to get his recommendation on what, if anything, to do.
So how does a fella determine if a system has an adequate amount of freon?
(Readings were taken in the shade, 1500 rpm, doors and windows open, blower fan on high, vent air = 51F.
54% RH outside ambient.
Edited: Sun July 19, 2009 at 4:57 PM by dw
Sounds OK to me, don't fix what's not broken. Vent temperatures will be cooler when actually driving.
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