Q: HVAC

asked by on May 29, 2016

I have a 1997 Ford Explorer XLT AWD with a 5.0L V8. My mechanic has replaced most, if not all of my air conditioner, but it still only works on the highway. When not moving, it gets warm all over again and from the start. How can I get frosty AC at all times, like in those new cars?

My car has 200000 miles.
My car has an automatic transmission.

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