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My 1996 GMC 2 door Yukon GT has very little AC fan power. The Air comes out cold but the fan has no power and the interior is quit large. What can I do ?

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The evaporater in the dash may be clogged/coated with dirt and dust and the air can't flow through it properly.

Posted on Oct 09, 2009

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My heater don't work in my 1999 GMC Yukon all it dose it blow cold air


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GMC Yukon AC and Heat Questions - Car Forums at Edmunds.com

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Jul 20, 2010 - 30 posts - ‎16 authors
I just don't get why that doesn't work right in the first place. ... I have 99 Yukon that has a problem with the front air. .... $55,000 for my GMC, I guess expecting cold air when we push A/C and getting 90 degree blast ... 2001 Yukon XL 1500 Front heat & air fine, rear ac blows hot as if heater is on in all settings. More results from forums.edmunds.com

Nov 18, 2015 | GMC Cars & Trucks

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2004 GMC Yukon Denali - Squealing within the interior


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Jul 24, 2008 | 2002 GMC Yukon XL

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No heat just cold air


Is the gauge showing the engine is warming up to normal temp ?
Are the heater hoses getting hot ?
If the heater core is getting hot, it could be a blend door problem. The blend doors direct air thru the heater core and the ac evaporator among other things.

Dec 06, 2012 | 2005 GMC Yukon

1 Answer

My 1996 GMC Yukon does not have any heat, just blows cold air what could it be


Check coolant level. if ok then see if engine comes up to temp. 190+ at thrmostat housing. If not, replace thermostat. If thermostat is ok, feeel heater hoses. If one is hot , and the other cold, then remove both and flush heater core. If both are hot, suspect blend door problem in heater box. probably need pro help for that.

Dec 18, 2010 | 1996 GMC Yukon

1 Answer

2004 yukon ac blows hot air on drivers side with


EASY FIX-- your blend door actuator has a grease drip inside on a sensor. It's a easy fix. I just fixed mine in 20 minutes. See how to here==> http://www.tahoeyukonforum.com/forum/showthread.php?t=17741

Jul 22, 2010 | 2004 GMC Yukon

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2003 gmc Yukon 5.3 ..2WD air conditioner blows


A vacuum hose that controls the little door that switches where the air blows from is off, its gonna be a real chore the find which one and take the dash out to get to it, but you might get lucky and be able to look underneath the dash from the passenger side and actually see it, good luck

Jun 19, 2010 | Cars & Trucks

1 Answer

How can I determine if my compressor is out on my


If you still get cold air out of the rear vents but the front only blows hot air you may have a bad temp door actuator in the dash, it may be stuck on hot and not able to move to cold air. However if you are low on freon with a truck that has front and rear ac then there will be a temp diff between the two. If it is hot air out the front like the heat is on then you have that actuator problem but if it is cool air about the same as the outside air temp then you may be low on freon.

May 23, 2010 | 2004 GMC Yukon

1 Answer

Air Conditioner Problem


the most common problem here is a defective air temperature control blend door actuator, this is what moves the door that controls air flow across the heater core or the ac evaporator core, to replace this requires u remove the dash assembly.

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Blower fan on a/c quit blowing in front but still blows and blows cold air in back


first off make sure you have no blown fuse. but front blower motor may be bad. if it does not work in any speedyou can check for power at the wires going to the blower. under dash on passenger side

Aug 10, 2009 | 1999 GMC Yukon

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