Question about 2000 GMC Yukon XL

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Air Conditioning not running cold on 2005 Yukon XL 2500

Trying to locate the low side valve for recharging ac system.
2005 GMC Yukon XL 2500 with Dual Heat/Air

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Bigger hose is usually low side.

Posted on Jun 20, 2009

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Posted on Jan 02, 2017

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1 Answer

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Air conditioning blows cold on drivers side but warm air on passengers side.


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Jul 19, 2010 | 2004 Dodge Ram 2500

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How to troubleshoot the electrical air conditioning system 2000 GMC Yukon Denali. I put in new resistor, relay and dealer blower motor and it still doesn't do anything. Air conditioning control switch...


The compressor on the air conditioner in my 2000 GMC Yukon XL went out last summer. Had it and the whole line replaced at a local air conditioning shop last fall. Used it little before cold weather. Warm weather this spring and no cold air. We could hear the compressor trying to kick in. The shop told us that the control console was bad and had to be replaced. They told us the part was on back order and did not know if they would be abel to get one any time soon. We took the Yukon into the local GM dealership. They told us that the high side fitting was bad and that the freon was very low and that they would have to deal with that first to check the system. Called back to the air conditioning shop and they said they had a console come in and they would put it in and check the high side fitting. I now have cold air and questions. Bought Yukon in 2005 used, had always had problem of not switching to cold air once the heater has been used. We were told changing the console should fix that. It has not changed. I feel like the console angle was a scam, that the system was just low on freon. Each shop was blaming the other for trying to scam me. And what can fix the heat to cold issue? If anyone has answers I would sure appreciate the knowledge.

Jul 02, 2010 | 2000 GMC Yukon Denali

1 Answer

Where do I add air conditioning coolant?


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Jun 08, 2010 | 2003 GMC Yukon XL

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04 gmc yukon heater air cold passanger side.


If this happens when you are idle, and then you get hot air as you drive, most likely you have low coolant and it only cycles as you drive. Get approved dextrom gmc coolat and cap off your coolant it is most likely low.

Jan 17, 2010 | 2003 GMC Yukon XL

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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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