I have an 04' SE and the ac finally crapped out on me. Am I still under warranty for this, or am I out of luck and need to get my ac refilled? If I need to refill it, how many lbs of freon is it gonna take?
Very good explanation. Makes much more sense to me . Looking forward to Vegas even with the heat.Okay, let me see if I can help. I have been in the AC business for 31 years, so let me see if I can explain this in simple terms. Sounds like your AC is fine. Your Armada or for that matter any AC unit is putting out a certain btu capacity at a given temperature. Let's say the unit is designed to be a 12,000 btu's or what we call a 1 ton system at a 95 degree out door temperature. As the outdoor temperature increases the capacity of the AC unit goes down. The hotter it is outside the less efficient the AC system is. This applies to all AC systems period.
The only way this can be over come is for manufacturers to put in a much larger system to compensate for those very hot days. The downside to that is that if you over size an AC system, the cost of the unit goes up and on days where it's not so hot, the unit is now over sized. An over sized unit then causes the compressor to cool to quickly or what we call short cycle and then the compressor wears more quickly, and when you run short cycles, you will not be comfortable because the AC unit doesn't run long enough, therefore it doesn't remove moisture very well, so you have a cool car, but a humid one. In short, it basically goes like this, the hotter it is outside, the smaller your AC becomes. When temperatures go down, you will feel the AC system working like it used to, it's just not designed for those extreme days. The best a mechanical AC system can give you is a 20 degree split. Hope this helps better understand AC systems. Enjoy Las Vegas.
Just a FYI your system is low on refrigerant......the front and rear share the same Freon. That is why it takes a short while to recover.Another thing to try - turn the rear system off completely (fan is off at the front dial and full cold on the temp).
My system has a leak in the back, I guess, if I have the rear fan on at all the entire system, front and back, blows warm, otherwise its fine.
It takes a few minutes to recover to cold after shutting off the rear fan.