2003 Honda Civic After one hour the heater & air conditioning stops working ...the fans are still blowing nothing out of the vents no cool air or/ heat...no one can find the problem 3 mechanics. ...because it takes one hour for the problem to show up while I'm driving
After one hour the heater & air conditioning stops working ...the fans are still blowing nothing out of the vents no cool air or/ heat...no one can find the problem 3 mechanics. ...because it takes one hour for the problem to show up while I'm driving
What is your question?
I just added some freon ...a week ago so now we know that is not the problem? ?? And it happens every time after we drive for about one hour ...then the air conditioner quits working and/or the heat quits working and then we just tear the blower's going nothing comes out of the vents anymore it was working just perfect before then we were getting real cold air out of the air conditioners or real warm air out of the heat and then it doesn't work anymore???
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the a/c compressor is either overcharged or undercharged,or the compressor clutch relay is sticking and running the compressor all the time,and the evaporator is most likely freezing up,then it thaws out after that hour and starts blowing again!!the relay is in under hood fuse box,marked with a snow flake!
if it is undercharged,the compressor will run more often than it should and freeze the evaporator.check hepa filter behind glove box in blower box also,to see if dirty,or clogged.low side pressure should be 20-25 psi with compressor engaged..
