Question about 2010 Lincoln MKZ
The fan speed only changes a small amount and the air is cold. The driver side and rear heat works properly.
Posted by Anonymous on
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Posted on Jan 02, 2017
damper in duct to change air flow from heat to air is not working most probably. I am almost certain the navigator will have an actuator motor that has stripped, or the motor has gone bad this is constantly working when you use climate control to control air temperature.
Posted on Dec 23, 2008
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.
Posted on Apr 02, 2009
It is probably the (DCCV) Dual climate control valve. It is located RT front of engine with heater hoses and wires goin to it. I ordered one from Rockauto.com for about a $100.00 i think. It is pretty easy to change and I found out when mine went out that it was a very common problem with these cars. When mine quit it started the same as you are describing for a while then it only would blow hot air and it blew the a/c compressor fuse. The DCCV is a dual cylinder valve and i beleive that they get stuck open and short out. If you have any more questions or need more information let me know.
Posted on May 15, 2009
replace thermostat,and antifreeze, check your oil see if it looks milky wich would indecate water in the oil and the antifreeze check for oil.if there is water in the oil be sure to change that also unfortunetly for you cold winter is the worst time to over heat a engine .
vijay (vote for me)
Posted on Sep 24, 2009
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