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Q: Why does the rear AC on my 1996 GMC Suburban not blow cold?
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Why does 1995 Suburban front air vents blow cold air but rear air vents blow hot air?

Possible blockage in the rear air units expansion valve. I just replaced mine for the same reason.


If 1993 suburban rear ac not cold how can check the expansion valve?

If 1993 suburban rear ac not cold how can check the expansion valve?


Why does a Suburban blow cold air in the rear and hot air in the front?

There are separate expansion valves in the rear, so even if the front system is failing, the rear unit could still work normally.


What causes the front AC to blow cold air while the rear AC blows hot air on a Chevy 1995 suburban?

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Why does the front ac in your 1990 suburban blow cold but the back blows hot?

It is possible that the rear A/C lines have been cut and sealed so the freon stays in the front but does not go to the rear A/C. That is the case on my SububanAnswerThe suburban may have a heater core in the rear blower that is not shutting off. AC cannot blow hot, there is a coil for the AC and a separate coil for the heater. A simple fix is to have a shut off valve fitted under the hood to turn off the hot line to the front and rear blowers.


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Why does the front air blow mildly cold air and rear air blows extremely cold air in 1999 Chevy Suburban?

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