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Why isn't my AC Blowing cold air?

(1990 Pontiac Grand Am)
in Milwaukee, WI on July 18, 2016
I just had my heater core replaced because my car was leaking coolant from hose underneath towards passenger side. Although my heat was working great. Now that it's summer I'm finding out that my AC is not blowing cold air
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Popular Answer
on July 19, 2016
was the A/C working before you had the heater core replaced? if so take it back to who ever did that work,ask them to check it as stated in answer #1.that heater core job is not bad on that car as compared to say like my F150.yours is a couple hours of work compared to around 8 hours plus on the F150.i believe i would have bypassed the heater core until fall weather got here,and made sure the A/C was working for the summer.
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on July 18, 2016
Unfortunately there are many possibilities as to why an AC system is not functioning properly . This ranges anywhere from a blown fuse all the way 2 major component failure. I would suggest taking it somewhere and putting gauges on it to see if it has any freon in the system. Then go from there.
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