2001 Chevrolet Suburban "front cold rear" Questions

...new charge valves last time, cold for a month then hot again..last time rear was not very cold but front was fine, today no cold no where..bought a high end sniffer and found no leaks.

...cold and front would blow warm. Now ac doesn't blow cold front or rear. The system charge is ok, and I replaced the control knob panel already. Can anybody help me? Thank you. Have the compressor ...

...front vents, cold air in rear My 1999 Suburban is blowing warm air from the front vents and cold air in the rear vents when the A/C is on. It has plenty of freon. Any advice on how to cool down the ...

...are low pressure (cold) The big can in front of the passenger should be cold. If not, it could be low on charge. The rear uses an expansion valve, so its really different than the front (orifice

front a/c is cold rear is not freon is fully front a/c is cold. rear is not. freon is fully charged rear controlls are working but olny blows warm air This is caused by a bad expansion valve in the ...

line is cold up to the split to the rear. I looked at the front orfice tube and it looks fine. i filled the unit with 1.58 kg of freon. any help would be great. Is the fan running that cools the freon

...cold, front works fine. 1999 Chevy Suburban rear air not blowing cold, front is fine. Help.. you may not have enough refrigerant. a low charge can cause the rear in this dual system to not work for ...

...for your time. they run off of the same compressor if rear is cold and front is hot the hot and cold function in the heater box is not working possible cable problem ? or a vacum line under ...

...cold a/c in the front of my chevy suburban but rear a/c doesn't blow at all. As far as the front heat it only blows warm air on the passenger side while cold on the driver's side. In ...

...cold. Front is still warm.System won't take any more freon. Might there be a "blend-door" problem- or a blockage/ or a clogged valve for freon to get to front?? this is caused by a defective ...