Question about 2003 GMC Yukon XL

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2002 yukon xl rear ac does not work

Just changed out the compressor, and the front ac works okay. Rear ac does not cool

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Are you sure it was charged to full capacity?

Posted on Jun 21, 2009

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2002 Yukon XL what other then the Blandor actuator will make the air in the fence in the front blow cold


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if the front works but the rear doesn't the freon might be a little low

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1999 GMC Yukon. Rear AC cooling great. Font AC not cooling as well. Replaced orfice syphon tube, vaccumed down and recharged with 2lbs R134a. Checked front temp controller. All checks ok. Front AC still...


If the rear is working well and front is not I would suspect a blend door or actuator issue in the front.Double check and see if you can hear anything moving when you are adjusting temperature from hot to cold.Also check and make sure the air flow moves properly from defrost to vents and floor etc.

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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.

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2002 Yukon XL with Delco Stereo only has front passenger speaker working and the sub. High end sound coming out of driver front speaker, nothing from 2nd row speakers. Is this wiring issues or problems...


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1 Answer

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need to have a set of gauges on it and read the low side and high side to see if pump is weak that year compressor i think is on the bottom passenger side ,it is not a good desigh pump may be weak

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1 Answer

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check you antifreeze level and make sure its full

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