Hi, I own a 97 Chevy Tahoe and Im having trouble with the A/C Unit. It seems to

lilmarcos2001

New member
me that it has a leak.? Ive tried to refill the the A/C unit but when i turn it on it blows hot air, but that is not the problem, its that when i drive on the highway the hot air will start blowing in like if i had the heater on. So idk where to to start trouble shooting any suggestions???
How would i over ride the safety switch? If i take it to the shop what should i tell them?
 
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