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Old 08-12-2009, 09:53 AM
CF Beginner
Join Date: Aug 2009
Posts: 2
Default 01 Tahoe rear a/c only blows warm air

Thanks to all thoes who helped me with my first problem.
Fixed the front ac cools very nice 38-46 degrees
now i have to fix my rear ac it only blows warm air on ac or heat, blower works on all speeds.
What could cause my ac not to work. It's an 01 Tahoe LT with 2 hvac controls in the roof.

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Old 08-12-2009, 09:40 PM
73shark's Avatar
Join Date: Apr 2006
Location: KC, MO area
Posts: 8,942

If you can get to it, check the low pressure line near the rear evaporator to see if it's cold. If it is then I'd suspect a blend door problem.
2010 Sheer Silver Tahoe LTZ (all options but sunroof, power boards), GM (body color flaps, rear console, 3rd row mat, 2-Way Remote, chrome gas door, Esky rack), Eagle Eye LED tails, SLP dual tip exhaust, Silver bow-ties/rear wiper, Catch-All mats, AlphaTherm washer fluid heater, Putco chrome mirror covers, silver calipers, board chrome trim, tint, GMPP Major Guard

2007 Black Tahoe LTZ (Sold)
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