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2001 Navigator A/C issues

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Old May 31, 2013 | 08:59 PM
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2001 Navigator A/C issues

I appreciate any info you all can give here. I've spent the last few days searching for answers. I've read the FAQs, and not found the issue I'm having there, so I figured I would ask. Front A/C blows cold.. no issues with defrost ports or a/c compressor not running when it idles. A/C blows about 60 on a 90 degree day in the front...

In the rear, no matter when I put the controls on, neither of the aluminum lines that feed the heater box get cold. I've checked the motor on the panel/floor selector, and it works. I've checked the motor on the cold/hot air panel and it works. The blower works... so, the air coming out in the rear is ambient temp or hot when I change either front or rear controls... why would the aluminum lines not be getting cold if the front A/C works like a charm?

Please be gentle, I love this truck, and just bought it. It's been a beast for towing my boat so far, and it rides like a... well a lincoln! Thanks for your help!
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Old Jun 3, 2013 | 06:56 AM
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You'll need a set of manifold gauges to diagnose.

Likely possibilities would be either a refrigerant undercharge or a weak compressor. Gauge readings will be needed to determine status.
 
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