Question about 1999 Chevrolet Tahoe

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99 tahoe, rear air is cold, front air is warm, has

99 tahoe, rear air cold, front air warm, has freon, compressor is working

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Either a switch is bad or a electrical operated door failed within the duct work. . This vehicle has the abililty to set a code for this condition and only the dealer and some shops have the diagnostic equipment to diagnose this cortectly the first time.

Posted on May 16, 2010

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Posted on Jan 02, 2017

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2 Answers

My ac blowing hot air and my canister stay warm


Did you then draw a vacuum and charge the system?

Jul 23, 2015 | 2000 Chevrolet Tahoe

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I HAVE A 2001 CHEVY TAHOE FRONT AC BLOWS COLD REAR DOESNT


I would agree it might be the valve.
One line should be cold and the other warm or hot.

Oct 02, 2012 | 2001 Chevrolet Tahoe

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Air blows cold in rear but warm in front vents.


If it is cold in the rear, that eliminates the "freon" part of the system. (It apparently has enough freon and the compressor is apparently working.)

So that leaves you with a blend-air door problem on the front A/C unit. That may be a blend-air door actuator, a broken blend-air door, or a faulty control head. (Proper diagnosis required)

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1 Answer

Front AC blows warm and the rear blows cold in my 99 Tahoe


I just worked through a similar issue with my van. The front and rear systems each have their own expansion valve. Chances are the front one is stuck and needs to be replaced. System will have to be evacuated and recharged.

Aug 05, 2009 | 1999 Chevrolet Tahoe

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Raer a/c works but front blows hot air on my 99 tahoe


I just took my 04 Tahoe in for the same thing and it was the a/c actuator.

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1996 Chevy Tahoe air conditioning not blowing cold air


That "thing" is part of the compressor clutch. When it’s spinning the clutch is engaged, when it stops the compressor is off. If it’s constantly cycling, you probably don’t have enough freon in the system. But remember, however the gas escaped before, it will escape again, unless you fix the leak.

Jul 14, 2009 | 1996 Chevrolet Tahoe

1 Answer

Front aircond. blows warm. Rear air is cold


this is caused by a defective temperature control blend door actuator motor. Don't overhcahrge the system, if one part of dual climate works ok the problem is not the compressor or the system charge

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1 Answer

'99 eddie bauer, cold air in the rear hot air in


you may just be low on freon. The rear will often work ok when low, but the front won't

The same compressor serves both front and rear systems. Check that first.

ALso, check to see if your front blend door rotates when you raise & lower the temperature.

report back on results

May 09, 2009 | 1999 Ford Expedition

1 Answer

2003 Tahoe AC


The problem might be that you got out of freon gas.

Jun 12, 2008 | 2003 Chevrolet Tahoe

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