Please help, I have a 2007 ford five hundred with 60,000 miles, out of warranty. I am having a/c problems. As long as the engine is revving at about 2000 rpm or the car is being driven the a/c cools fine. At idle for any length of time the a/c starts to warm up and gets progressively warmer the long…

If the compressor is working correctly the problem may be the “blend door” in the HVAC system. The blend door controls interior temperature by sending incoming air through either the heater core or the AC evaporator (or both) depending on the desired temperature. If the blend door is vacuum contro…

Blend air door is electric in this car.

mcparadise thanks for your response, I failed to mention that it seems the air temp on the right side of the car feels slightly warmer than the left side vents when this happens. The expansion valve was replaced, and I will state what was typed on my invoice, “performed a/c perfomance test, ambiant…

I have been researching and I guess Fords are known for blend door failures, even the electronic ones. Two questions, Does anyone know were the blend door is located on my vehicle? It seems that most accessories (blower motor and various swithes) are faily easy to reach behind glove compartment an…

Can you always get hot air out when you set the control to hot? Does it then always return to cooler air when you set it to cold? If so, it is probably not the blend air door. If you have auto climate control, then there is a diagnostic test that you can run from the control head to verify the bl…

How are the pressures looking now?

Yes, I can always get hot air when I set it to hot and it does always get cooler when I go colder. I do have auto climate control, is the diagnostic test something I can do myself or just the dealer? I dont know what my pressures are at this time, (no gauges). I did find a TSB for 2005-2006 five …

Ford five hundred a/c problems

Maintenance/Repairs

oldschool April 9, 2009, 3:16pm 2

You can be blunt or you can bring them some basic AC system diagnosis textbooks.

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Ford five hundred a/c problems

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