Q: Over heating

asked by on February 15, 2017

Hello in the last two days my car started messing up it started overheating i put a whole gallon of antifreeze in it and now after about 5 minutes of driving the needle gose all the way to the red and once i cut the heat on sometimes the heat comes out hot and sometimes it comes out cold

My car has 145000 miles.
My car has an automatic transmission.

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