Question about 2003 GMC Yukon XL
It is normal for a vehicles engine temp to increase while using the air conditioning. but if it is actually overheating or giving you a temp waring then you might need the radiator serviced or possibly just spray the dead bugs out of it with a sprayer. if the air can't flow because of dead bugs then it can't dissipate thew heat very well, but at highway speeds the airflow is great enough to make up for the blockage.
just a thought, hope this helps
Posted on May 21, 2011
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Posted on Jan 02, 2017
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