Question about 2004 Lincoln LS

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My passenger side is blowing warm air

I replace ac compressor, added feron, replace heater control valve

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  • Lincoln Master
  • 1,209 Answers

Sound like you have a blend door actuator that had stopped working. You have cold AC on the drivers side but not the passenger side? Your car has dual zone climate control where you can adjust either side independently. If you have cold air when you ask for it and hot air when you ask for it then the overall system is working properly, it is just that one side is not moving the blend door between the heater core and the evaporator core. Either you have something inside of the hater box that is keeping the door from moving or that hte motor that is suppose to move the door has quit.

Posted on Apr 21, 2013

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Posted on Jan 02, 2017

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chuck943
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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.

Posted on Apr 02, 2009

firenut119
  • 66 Answers

SOURCE: AC/Heater control problem

In the dash there is a part called the blend door and blend door motor. This allows you to have warm air, and not just cold AC or hot heated air. This motor goes out and whatever position it "dies" in is what kind of air you get. The part is relatitively cheap but the labor cost is huge, because the dash needs to be removed for access.

Posted on May 05, 2009

emissionwiz
  • 76164 Answers

SOURCE: 1999 Lincoln Navigator Heating Problem

if the heater core is getting hot then the problem is the air temp control blend door actuator, a common problem.

Posted on Mar 13, 2009

sparxxinct
  • 73 Answers

SOURCE: AC not blowing cold 1996 Lincoln Town Car Presidential

i would try www.car-part.com its a nationwide junk yard inventory site theres some great deals there for domestic cars.try to replace the wire conectors at the compressor maybe the freon shorted them out.

Posted on Jun 10, 2009

SOURCE: how to install dec heater control valve

First- only my personal opinion,although I just read an article about all types of product insurance & warrantees.
You really don't need any type of warrantee, on any product
If it is new,it should be good for a while
It it is used,you already got a discount,don't give some of that back.

Not to be hurtful,but a car dealer, is not in the vehicle business. They are in marketing and sales. The vehicles are the financial instuments they peddle.
If you really read your warrantee and asked the correct questions,they would politely escort you out the door. I"ve been there.

I own the same 2004LS V8 and have all the service manuals

You would need to know the correct name of the part and a call to the dealer parts dept, they would get you the price. I could do that for you,if I knew what was really happening with the vehicle. $600..00 is a lot, but that's what they charge.

What I see is called-Dual Coolant Control Valve
It is fastened to the pass side of the radiator/fan shroud with one screw.
It has two heater hoses and one electrical connector going to it.
You will see it under the A/C drier.

Not a fun job,but you could replace yourself.

Posted on May 04, 2010

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---------

As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

2000 Toyota Avalon: No heat on Passenger Side?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html


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No heat on Oldsmobile Silhouette?


http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

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Temperature gauge does not move and no heat when heater is ON?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

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1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold?

http://technoanswers.blogspot.in/2012/04/1992-toyota-camry-ac-control-light.html

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http://technoanswers.blogspot.com/2012/01/forf-f150-ac-only-blows-through-defrost.html

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2009 Mercury Grand Marquis: A/C blows Cold From Defrost Vent Only?

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http://schematicsdiagram.blogspot.in/2012/04/ac-not-blowing-through-vents-on-2007.html

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http://schematicsdiagram.blogspot.in/2012/04/passenger-side-temperature-is-warm-air.html

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Nov 28, 2012 | Cars & Trucks

1 Answer

No heat from vents


As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

2000 Toyota Avalon: No heat on Passenger Side?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html

------------

No heat on Oldsmobile Silhouette?


http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

------------

Heater blows cold?

http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

-----------

Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

----------

Hot air on the driver's side vents only?

http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

--------------

Temperature gauge does not move and no heat when heater is ON?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

-----------

1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold?

http://technoanswers.blogspot.in/2012/04/1992-toyota-camry-ac-control-light.html

--------------


No heat, blower blows only cold?

http://technoanswers.blogspot.in/2012/02/no-heatblower-blows-only-cold.html
----------

Ford F150 Ac only blows through defrost vents?

http://technoanswers.blogspot.com/2012/01/forf-f150-ac-only-blows-through-defrost.html

----------

Dodge A/C come out of defrost vents only?

http://technoanswers.blogspot.com/2012/01/dodge-ac-come-out-of-defrost-vents-only.html

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Ac vacuum line on dodge cummins?

http://technoanswers.blogspot.com/2012/01/ac-vacuum-line-on-dodge-cummins.html

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Ford ranger AC blows cold through defrost vents instead on cabin vents?

http://technoanswers.blogspot.com/2012/01/ford-ranger-ac-blows-cold-through.html

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2005 Chrysler PT Cruiser: A/C Blows Warm?

http://whoisbyme.blogspot.in/2012/06/2005-chrysler-p8t-cruiser-ac-blows-warm.html


-------------

2009 Mercury Grand Marquis: A/C blows Cold From Defrost Vent Only?

http://whoisbyme.blogspot.in/2012/06/2009-mercury-grand-marquis-ac-blows.html

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http://schematicsdiagram.blogspot.in/2012/04/ac-not-blowing-through-vents-on-2007.html

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http://schematicsdiagram.blogspot.in/2012/04/passenger-side-temperature-is-warm-air.html

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These will help.

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1 Answer

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As per your problem mentioned.There are few solved help links to troubleshoot these problems.Go through the list and Click the link below:----
Air conditioner blows air but not cold air http://repairhelpcenter.blogspot.in/2012/07/air-conditioner-blows-air-but-not-cold.html

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Heater blows cold? http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

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Heat blows cold on drivers side and hot on passenger side? http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html---------- Hot air on the driver's side vents only? http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

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2005 Chrysler PT Cruiser: A/C Blows Warm? http://whoisbyme.blogspot.in/2012/06/2005-chrysler-pt-cruiser-ac-blows-warm.html

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1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold? http://technoanswers.blogspot.in/2012/04/1992-toyota-camry-ac-control-light.html

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No heat, blower blows only cold? http://technoanswers.blogspot.in/2012/02/no-heatblower-blows-only-cold.html

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These will help.
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It can be issue with blend door actuator or vacuum leak or loose vacuum hose connection.
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A/C Blows Warm? http://whoisbyme.blogspot.in/2012/06/2005-chrysler-pt-cruiser-ac-blows-warm.html

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OK, most cars have heater cores that get hot but the blender door directs air away from this core in the a/c mode when you want cool air from the evaporator.

I'm not sure if there is a control valve which stops the water from going through the heater valve.

I think the part is called a 'heater blend door actuator' that you are after.
http://www.autoanything.com/air-conditioning-65-861/201A1060.aspx?kc=AFFCJ&mr:referralID=c9ca506d-9f22-11df-bf8d-0026b95a1738


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1 Answer

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1 Answer

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Either the door that controls whether air from the heater or ac is stuck in between or the ac system is having trouble. Minivans sometimes have seperate compressors for the rear and front.

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