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2002 Ford Expedition Climate Control System

On my 2002 Expedition the following has been happening. Whatever button I push on the climate control system, heat, AC or vent the airflow only comes out the top windsheild defroster section and won't come through the passenger vents or the bottom vents only the top. The system is heating and cooling correctly but the air direction is messed up. What can it be?

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  • Anonymous Nov 25, 2008

    I have 2005 Explorer and the heat will only come thru the dashboard vents. I can't get it to the defroster or floor vents

  • penelindo Jan 23, 2009

    i have a 1997 expedition my back heating work find but the front one does not it blows cold air and now only blow all the air in the vents nomater were i put it

  • Anonymous Jan 30, 2009

    2004 Excursion - Climate control only vents through dashboard vents no matter what is selected. Pulled CB and reset to no avail. Is Ford dealer only solution?

  • Anonymous Mar 14, 2009

    My 1999 Ford Explorer sport 4x4 battery died and car ceased running in lunch time traffic just dropped dead but i had notice a low reading on my battery gauge in my dashboard info ctr console . Bought new battery installed and my gauge was still reading very low ... drove car approx. 15 mls w/new battery and gauges came on and again it appeared as tho i would die again with brand new battery. old battery removered and on home charger for 1 1/2 days and replaced it drove me about 20 before failure once again now new battery seem erratical but noticed this time when car in park i reved engine and everything sudden ly regained strenght good strength except gusges was still reading extremely low but battery seemed strong like i jolted something in the engine that a connection or something is not connected completely or ya know like that etc...

  • timsanche Apr 21, 2009

    I have a 2003 Expedition that only blows air through the defrost vents.When you press the switches for the different air flow modes they click but no change happens.

  • David Hauer Jan 18, 2012

    Check your vaccuum line on the passenger side under the hood. There is a main line running into the firewall and this line is probably cracked. Repair this line and should fix the problem.



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You have a loss of vacuum. There is a small diameter black plastic tube from the engine compartment that feeds the climate controls. Check at back of control head, or there is a plastic connector under dash were other color tubes join to operate the other actuators of the system the black tube must have vacuum when engine is running. check under hood the black tube is spliced. separate the tube and check for vacuum The tube enters the firewall near the heater hoses.

Posted on Feb 21, 2009

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I had this same problem on my daughter's 2002 escape and found a crimpped vacuum line at the firewall that feeds the tee connector going to a black bulb and a vacuum switch. I replace the crimped hose and now the A/C works correctly.

Posted on Jul 18, 2010

  • lmdamuth Jul 18, 2010



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Trampillas the control units that move the flaps in the heater unit ,dealer only to reprogramme the mini computer controlling the clima unless a general garage has brainbee software or equivelent so be prepared to lay the golden egg for the main dealer and most important smile when you pay the bill and be a wimp and cry like that lot on gerry springer STIFF UPPER LIP WHAT

Posted on Nov 18, 2008

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