In the morning the air is cold, and comfortable, as it reached afternoon the AC blow cool and then warm air, my thermostat had been set for 72 for 3 yrs, for some reason no matter what temp I set it kept go right back to the this temp.. this time, it no longer maintainced 72 but blow warm air after 5 minutes of cool air.. I had my system filled with Freon a week ago, it worked fine for 4 days...they also have a special dye injected to the system so that this time could detect the leak since it can only be seen by flourescence light.. I am a bit skeptical about the problem,
1) why thermostatt kept go back to 72?
2) and is there a leak or maybe more?
Pls help me with your expertise , at least I knew what to look forward to as I approach the service dealer .. thank you so much ,, K
This one is a difficult one to say. You could have a bad ac unit on the cars engine. Also when it goes back to 72 degrees your car is just displaying the temperature inside the car one of the features of a digital adjustments on these types of cars. Also you could have a leak and therefore not getting the cold air you wanted.
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