I have a 2002 buick century custom my car
overheats after like 15 to 20min of driving but
when i turn on my ac it dont overheat its goes back
to normal...check engine light is not on..
You may have a problem with your electric fans. The one on the engine side of the radiator should be running whenever the car is up to temp. Then when you turn on the A/C both fans kick in....you may have a bad fan or bad fan relay.
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