Q: Front AC was not blowing cold on a 2003 expedition 4.6l. I changed the expansion valve and now it overheats. Changed Fan, water pu

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I changed front expansion valve because Front AC was not blowing cold even though rear was fine. Now it overheats. I have changed the water pump, fan clutch and thermostat.

My car has 167000 miles.
My car has an automatic transmission.

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