01 Maxima AC not very cold
#2
Make sure that the pressure isn't too high. I recently went through my a/c and I charged it to the max recommended pressure, and it didn't blow very cold, because the compressor kept cycling on and offbecause it was cycling the high pressure switch. I just pushed the Schrader valve and let a little out, and it got considerable colder. Good luck.
#4
If the AC system in the cars is of the automatic type where you set the temperature - the system depends on three temp sensors to work properly. The FSM has the procedure for kicking the AC panel into diagnostic mode, and it'll tell you what the temp sensor reads are and has a troubleshooting procedure for each. Usually when the temp sensors code, they fail open, so the temp will read 99.9. Mine did, but the result was the warm temp never blew very warm.
#5
Make sure that the pressure isn't too high. I recently went through my a/c and I charged it to the max recommended pressure, and it didn't blow very cold, because the compressor kept cycling on and offbecause it was cycling the high pressure switch. I just pushed the Schrader valve and let a little out, and it got considerable colder. Good luck.
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