Question about 2001 Lincoln LS

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2005 linc ls heater stays on full heat

How hard is it to change a coolant control valve on a 2005 linc LS? My heat stays on full blast and will not adjust down. I just got a $500 quote from a dealer.Rod

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Might have to replace the whole control panel

Posted on Mar 08, 2009

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Is there a way to replace a coolant control valve on a Linc LS v8 00 preferred for a DIY . would like to have a idea . Thanks so much for your help.


If your talking about the heat inside the car, yes. It is vacuum operated. On the passenger side. The hoses are about 1 inch in diameter. The valve is spliced in one of them. Make sure the vacuum is present before replacing.

Oct 13, 2016 | 2000 Lincoln LS

1 Answer

What all does heater contoll valve do


The heater control valve restricts hot coolant from flowing thru the heater core when the air cond is running.
Usually if it fails, you have no heat.

Feb 01, 2013 | 2001 Lincoln LS V8

1 Answer

No heat on my2004 lincoln ls


Thermostat has nothing to do with the heat

You have a coolant control valve down low under
the a/c drier on the passenger side, bolted to the
radiator shroud

I have that car,very complicated vehicle,one of the
most high tech ford has every made

Beside that valve there are several other possiblities,
mostly all electronic

Need the experience & all the diagnostic manuals or
I hate to say it,but maybe a dealer,not many shops will
work on a ford or an LS

Jan 24, 2013 | 2004 Lincoln LS

1 Answer

My 2005 linclon ls is having a problem with the cooling system. I have plenty of coolant but my air blows out at the hottest setting only. Not just vent air but it blows like the heater is turned up all...


The solution lies in determining if the heater control is bad or the heater control valve is bad.
If you remove the heater control and using a ohm meter check the resistance on the control while disconnected from everything. When connected to the ohm meter you can turn the control knob and you should see less resistance as the knob moves from cold to hot. If the control checks out then it likely to be the valve assembly. Just order a new heater valve and replace.

Jul 30, 2010 | 2005 Lincoln LS

2 Answers

My 2000 lincoln ls heater is still not working after i changed the thermostat and water pump,and blowing cool air out. what can it be?


Check the 'heater control valve,' which is attached to the heater hose line under the hood. If it is malfunctioning, it will prevent hot coolant from reaching the heater core, with the result being no heat. This is a $30 part, usually not too tough to get at, although I've never changed one on a Lincoln.

Mar 21, 2010 | 2000 Lincoln LS

1 Answer

2005 Lincoln LS. It blows extremely hot air all the time, and is unresponsive to temperature inputs from either side of the car. It always blows hot air.


There is a very good chance the Dual Coolant Control Valve has failed. This is located at the botton right side of the engine fan shroud and has 3 heater hoses connected to it. This valve controls heater or AC temperature inside the car.

Jan 05, 2010 | 2002 Lincoln LS

1 Answer

My 2005 Lincoln LS V6 has a message that says srvc P


The message means the electric park brake needs serviced. In this case I feel that considering the ac problem, the Coolant Control Valve is defective. The valve can create RF interference that messes with the electronics of the park brake system. The Coolant Control Valve is located at the right side bottom of the radiator fan shroud and has 3 heater hoses connected to it.

Nov 02, 2009 | 2005 Lincoln LS

1 Answer

Heater issues


right beside the degas bottle top thare is a black hose sticking out that has a screw in plug in it that can be removed with a straight screw driver. remove this plug and start vehicle and let it run with heat wide open and on high till a STEADY stream of coolant is presant then replace plug - dont over tighten. this bleeds the heater core.

Jan 01, 2009 | 2000 Lincoln LS

1 Answer

2000 Linc ls v8 auto question james from ILL.


maybe you won't need to. On the fire wall you will see 2 hoses an inlet and an outlet.that go directly into the heater core. Sometimes the heater core is clogged. disconnect the hoses and use a water hose running at only a moderate flow. put it into one of the the inlet of the heater core and run water until you see clear coolant. Then do it on the outlet and run it until the coolant is clear. you are trying to remove any clogs the heater may have. if this does not work, check the heater control valve.move the temperature slider the one to control the temp inside the car. and see if you can hear anything move. Check to see what type it is it can be a vacuum controled vavle, or a cable hooked on to the valve or an electronic controled valve. if it is a vacuum controled valve, you can check to see if a vacuume hose is disconnected, if it is a cable type valve,check it by moving the temperature control inside the car open it and close it with your fingers if you can see it. But most likely it may be the heater core thats clogged.

Nov 30, 2008 | 2000 Lincoln LS

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