Question about 2003 Lincoln Navigator

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2003 lincoln navigator - ac blows hot air on drivers side only, and makes a poppimg noise

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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chuck943
  • 783 Answers

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

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  • 1 Answer

SOURCE: I have a 2004 Lincoln LS and it blows cold air on

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

  • 94 Answers

SOURCE: lincoln lse 2005 ac blowing hot air on left

If your LS is blowing hot air on one side of the dash and cold on the other the problem most likely is the Dual Coolant Control Valve. The DCCV is used to control cabin temperature. This valve is mounted down low on the passenger side of the radiator fan shroud, and has 3 coolant hoses connected to it. This valve if found to be faulty will need to be replaced to correct the condition.

Posted on Jun 24, 2009

dmftrucker
  • 1922 Answers

SOURCE: Heater wont blow hot air in my 1998 Lincoln Navigator

the computer that controls the deflector motor are not responding and opening the door for heat, I'm sure you have climate control,check the temp setting sensor to the computer input first

Posted on Nov 01, 2009

wracefans24
  • 1985 Answers

SOURCE: 1999 Lincoln Navigator stops blowing hot air

Since your blower is working and it is a heat issue,thats where we'll start,First thing is have you checked the coolant level in the radiator when engine is cold,make sure it is filled to top,next verify you have coolant in reserve ,Start your van and get it up to normal operation temperature,If your heat gauge on the dash works correctly it should be 190 degrees,Now lift the hood and locate the two heater hoses going into the heater assembly at the fire wall,Both hoses should be hot to hold on to,if both are hot and no heat inside your problem will be the blend air door in heater assembly.
if neither hose is that hot you need to replace the thermostat in the engine to get it up to 195 degrees.
if one hose is hot and one is luke warm then the heater core is blocked and to blame. hope this helps you.

Posted on Jan 05, 2010

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On my 2003 Lincoln Navigator, when I accelerate, the cool AC air blows out of the defrost ducts. When I brake, the air blows out of the vents (where I would like it to blow all of the time). There is no...


Hi there...
well usually this happens, when the valve in the dash-board is defective. you can't replace it your self. its not costly, but the mechanic needs to dig in deep to reach it in most cars. i don't know where exactly it is loacated in the Navigator. but dont listen to any body telling to replace anything but this small in dash valve .

good luck i wish this helps u in anyway.
have a nice day

Jul 22, 2008 | 2003 Lincoln Navigator

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