Question about 2002 Lincoln LS
When turn heat on,it blows out cold air. It has water & coolant in it, but teh air is still blowing out cold.
Posted by Anonymous on
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Posted on Jan 02, 2017
try changing the thermostat if thats not it check and see if you have water leaking in the passenger side floor board if so then you need a new heater core
Posted on Feb 24, 2009
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
its probably the compressor cutoff switch cutting your compressor off at the wrong time and causing your ac to blow hot. that switch is under your hood right on top of the engine easy to get to. I hope that helps you out!
Posted on Jul 17, 2009
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