Air Conditioner Problem

Try to back wash the heater core first if it doesnt work then its clogged up try to turn the heater on the front with the heater off for the back keep an eye on the temp guage if it goes up than normal then its clogged....

Fyi u have to run the engine for awhile with the heater fan on

The A/C is operated by the BCM and this is a computer behind the dash.

Could be a blend door problem under the dash.

I recharge unit for your ac

if the front works but the rear doesn't the freon might be a little low

HI, this system only uses the one orifice tube. What made you think the orifce tube was causing your system not to blow cold air?

Does the front blow cold ? Diagnosing rear problems
Taking to a qualified repair shop an having it diagnosed would be your best bet >

You are going to need an a/c compressor, the clutches are gone.

clutch

check you antifreeze level and make sure its full