A/C issues

[logic951]

hey everyone I got an 03' Tahoe 4.8 liter and I've been having issues with the ac the past few months or so. I've noticed that during the day the front AC blows warm but the back AC blows colder but not as cold as it used to. I got a do it yourself recharge kit just to check the levels and everything seemed to check out fine and returned it. I've checked the belts I haven't seen any loose belts or heard any rattling.. can anyone shed any light as to what may be the issue?

 

[bacernate]

Low Freon levels can cause this. There is no way to tell how much Freon is in the system with one of those cheesy gauges. You have no way to read the high side pressure. The pressures will vary depending on ambient outside temps. My best advise is to let a pro work on your ac system. It can be both dangerous and very expensive if it isn't charged properly.