If the dealer said that: go find another shop. I had the same problem on my wife's Escape and it's worth the ag just to end the problem.
SOURCE: a/c blows cold parked then blows hot after a few miles
engine fan not kicking in at right interval to bring air in so its pulling in hot air threw ducts
or you have a disconnected duct blowing all air out not to right place
guages could be faulty or bad a/c relay
SOURCE: Dual Temperature controls inside - 2002 lincoln ls
The problem is most likely a bad dual climate control valve. This component is located on the right side near the radiator under the hood. It will have several coolant hoses hooked to it and 2 silver cylinders protruding from it. You can clamp off the heater hoses at the heater core and see if both sides cool then and this will tell you that the valve is letting coolant thru when it shouldn't be.
This will narrow it down to either the valve or the control head inside the car,or wiring in between them. The only way to narrow it down further is if you have a scan tool that could access the climate control data. Have seen several of these valves cause this concern and have only seen one control head cause it.
SOURCE: keyless entry code for 2003 lincoln aviator
Every car different, call an auto rescue or towing company, the trucks are usually equiped with slim jims, that can be used to gain access to your vehicle.
Hope this helps.
Ed
SOURCE: I only get warm air blowing out of the front vents
sounds like the air handler for the front is inoperative the wheel that operates it may be broken. its in the dash.
SOURCE: Can I access the blend door in a 2004 Lincoln
pull dash completley and the actuator motor will be accessable
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crude but effective...or have it repaired.
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