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2001 A/C question

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Old 07-19-2009, 09:24 AM
Starcloud's Avatar
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Default 2001 A/C question
The front A/C blows warm to cool, back A/C stays COLD!! One compressor, two cooling units. How is this possible? Not sure really when this started, but I believe it was shortly after replacing the water pump.
Checked A/C gas...OK.

2001 Limited, 7.3 L.

Any suggestions?
 
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Old 07-23-2009, 05:42 AM
Use Common Sense's Avatar
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Front evaporator uses an orifice while the rear uses an expansion valve. I would suspect that either the front orifice is either plugged or you have moisture in the system causing the front orifice to freeze up. How was the freon checked?
 
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