A/C recharge question - Dodge Durango Forum - Forums and Owners Club!
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  #1  
Old 03-19-2017, 09:33 PM
Aharrington93268 Aharrington93268 is offline
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Default A/C recharge question

I have a 2003 Durango with the 4.7 engine, with the rear a/c. I recently recharged the a/c system with a can of A/C pro. However the front a/c still blows hot, while the rear is ice cold. Is there anyway to fix this myself? Is there another a/c charge port for the front? Or do I need to recharge the high pressure line as well? I know it's not the switch cause I checked that and the heater will kick on while still blowing ice cold a/c in the back vents and when slid back to a/c the heater kicks off and you can hear the compressor kick on. I'm a bit lost never had a vehicle with separate controls for the rear air system. Any help is appreciated.

Alexis Harrington
2003 Dodge Durango
4x4, 4.7L engine
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Old 03-19-2017, 09:45 PM
Aharrington93268 Aharrington93268 is offline
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As a side note it is showing P0442 and P0456 engine codes but I'm not sure that has anything to do with the A/C issue
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Old 03-20-2017, 08:22 AM
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jkelly16 jkelly16 is offline
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Since there's only 1 AC compressor and you are getting cold at the rear I would say you have a blend door issue at the front. Not swapping over from the heater core over to the evaporator. The two codes don't have anything to do with the AC, if you Google them you'll see they indicate an evaporative leak in your fuel system. The 456 usually is a loose or bad gas cap (small leak) but since you have the 442 (medium leak) you may have cracked hoses or maybe the cap is gone? These vehicles use to throw these codes if you filled them while it was running but I'm not sure what year they changed that.
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Old 04-06-2017, 07:50 PM
Aharrington93268 Aharrington93268 is offline
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Pretty sure it is the blend door I heard it flap down once and the air got colder but since then it hasn't worked. Oddly enough I blew a valve a few days ago and in the process to figure that out my mechanic checked my fuses and my a/c fuse was blown. I have not gotten a chance to see if that was the problem yet as the engine is still in pieces at the moment as we are waiting on parts.
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