How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Chris (aka- Moose) Your Own Question

Chris (aka- Moose)
Chris (aka- Moose), Ford Technician
Category: Ford
Satisfied Customers: 34119
Experience:  16 years experience with Ford.
2499435
Type Your Ford Question Here...
Chris (aka- Moose) is online now
A new question is answered every 9 seconds

2001 ford excursion: air not blowing through the vents on the dash

Customer Question

air not blowing through the vents on the dash. I can hear the fan blowing but the air does not come through the vents in the dash. 2001 ford excursion
Submitted: 5 years ago.
Category: Ford
Expert:  Chris (aka- Moose) replied 5 years ago.

Hello Pjeanl,

Thanks for coming to Just Answer to ask a question.

 

Is all of the air blowing out the defrost?

Which engine?

Customer: replied 5 years ago.
2000 Excursion with a 7.3 diesel. The air is blowing out the defroster but is not coming out the vents on the dash.
Expert:  Chris (aka- Moose) replied 5 years ago.
I need you to open the hood and turn the key to the run position and look directly above the front passenger tire at the vacuum reservoir and see if the vacuum pump there is running. This pump provides vacuum which is used in the dash to control the mode doors. No vacuum means the dash will default to the defrost only. This is your first check. If its not running then check for power and ground to the pump. If there there then install a new pump. If it is running then see if its building up vacuum and storing it and check for hose leaks under the hood and look and listen around and under the dash.
Customer: replied 5 years ago.
We found the vacuum, and it seems that it is running. There are two plastic tubes coming out of hte vacuum, looking from the front of hte engine, the one on the left has two lines connected to it and the one right has a line connected on the side of the tube, but nothing connected to the end of the tube. If we put our finger over the end of the one that doesn't have anything connected to it, it makes a different noise.
Expert:  Chris (aka- Moose) replied 5 years ago.
Sounds like your missing a hose or a plug there. Look around for a misplaced hose there. The different noise is the pump trying to build up the vacuum because with the leak it is just running freely.
Customer: replied 5 years ago.
We went out and plugged the opening of the tube for about 2 minutes, but nothing happened. We noticed that the tubes attached to either side of the vacuum are attached back to the vacuum at the back side. We do not see any tubes leading from the vacuum to anywhere else. There is also a line attached to box that my husband says is the vacuum resevoir (according to the part number we looked up.) The tube that we held our finger over is flared at the end. Any ideas?
Expert:  Chris (aka- Moose) replied 5 years ago.

Look at these below

graphicgraphic

Customer: replied 5 years ago.
We followed the line from the reservoir to the inside of the cab. It seems like everything is connected, and we can't hear any leaks, but the vacuum runs constantly and does not shut off. Do you think it is the vacuum that is bad or the reservoir that has a leak?
Expert:  Chris (aka- Moose) replied 5 years ago.
Something has to be leaking for the pump to continually running. I would hate to send you into the dash tearing it aprat in search of a leak or a faulty defost mode door if in fact the concern is outside the vehicle under the hood. I suggest you purchase a vacuum pump from your local parts store and use in place of the electrical pump and see if you can get vacuum to produce and hold in the reservoir. DO NOT SUPPLY AIR TO THE RESERVOIR TO FIND A LEAK. It will blow the reservoir up immediatly. If you still cant find a issue please reply back and we will start o nthe dash. A vacuum pump should reach its max capacity in about 10 seconds and the pump should shut off. If you have 4x4 then check those supply hoses as well for leaks and or cap them off so the only supply is to the dash and or cap them all off and see if the tank can hold vacuum on its on with no outlets connectected and capped off.
Chris (aka- Moose), Ford Technician
Category: Ford
Satisfied Customers: 34119
Experience: 16 years experience with Ford.
Chris (aka- Moose) and 13 other Ford Specialists are ready to help you
Customer: replied 5 years ago.
We will try what you say and get back to you for more information.
Expert:  Chris (aka- Moose) replied 5 years ago.
That will be perfect, You can still reply right here if needed and I will reply back anytime I am online
Customer: replied 5 years ago.
We just took it for a drive and the 4 wheel drives seems to engage. So does that mean that the pump is working because it also controls theXXXXXswitch?
Expert:  Chris (aka- Moose) replied 5 years ago.

How did you verify the front hubs locked in

Customer: replied 5 years ago.
We drove and when we switched toXXXXXyou could feel the lunge and click like it went intoXXXXX
Expert:  Chris (aka- Moose) replied 5 years ago.
Did you make a tight turn and verify the hubs locked in and caused steering bind up when driven slow?
Customer: replied 5 years ago.
When we switch to highXXXXXI don't feel much difference, but when I switch to lowXXXXXI can feel the binding when I turn.
Expert:  Chris (aka- Moose) replied 5 years ago.
Ok there should be binding while turning in 4 high as well so I am not 100% your hubs are locking in (vacuum controlled). So now you need to do the steps indicated prior and disconect all lines from the reservoir and plug off the holes and see if the pump runs and then shuts off once vacuum is built up.
Customer: replied 5 years ago.
I took off the lines and plugged the vacuum pump all the holes. Turned on the ignition and let it run for about 1 minute. The vacuum pump still runs. So I will go purchase a new vacuum pump and see if that works. Does that sound right.
Expert:  Chris (aka- Moose) replied 5 years ago.
This has concluded its either a pump not makeing vacuum or a leaking reseervoir this is where the hand vacuum pump I requested you get earlier comes in handy.
Customer: replied 5 years ago.
Just had my neighbor come home and I guess I tested it wrong. I disconnected all the hose lines and plugged everything up. My neighbor said I should have pulled off the line to the reservoir and when I did this and plugged the hole the vacuum pump shut off. So does that mean I have a leak in a line or the reservoir. If it's in the line how do I test for that.
Expert:  Chris (aka- Moose) replied 5 years ago.
Since the pump did shut off and the reservoir held vauum this means you have a line leak and you must feel for the leak by hand or just replace the lines.
Customer: replied 5 years ago.
Okay, How many lines go into and come out of the reservoir? I took the other side next to the line coming from the pump off and put my finger over the hole in the reservoir and it seems to be sucking , but the pump does not shut off. I held my finger there about a minute, but it continued to run. Does that mean the reservoir is bad, or are there more than one line that attaches to the reservoir?
Expert:  Chris (aka- Moose) replied 5 years ago.
You have already declared the reservoir and pump are good since your neighbor helped you and it shut off and held vaccum. There is only 2 lines. One to the 4x4 hubs and one to the dash.
Customer: replied 5 years ago.

when our neighbor came over we only tested the pump, as we disconnected the line from the pump and put our finger over the line before it went to the reservoir. My nest test was to remove the line that goes out of the reservoir to the lines that go toward the dash and some where under the engine. I held my finger over the side of the line that comes out of the reservoir which should make the reservoir air tight, but it did not shut the pump off. My question is is this a reliable way to check if it is the reservoir or the line that is leaking. Do you need additional payment inorder to help us get this completed. We appreciate your patience with novices.
Expert:  Chris (aka- Moose) replied 5 years ago.
The test was sufficient enough. If the reservoir will not hold vacuum then its bad.

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • AlvinC answered a question about my Ford truck that only someone with an in-depth knowledge of his subject would have known what was going on. Rich D USA
< Last | Next >
  • AlvinC answered a question about my Ford truck that only someone with an in-depth knowledge of his subject would have known what was going on. Rich D USA
  • Because of your expertise, you armed me with enough ammunition to win the battle with the dealer. They are installing a fuel filter and fuel pump at no charge to me. Molly USA
  • I needed help with my car on Saturday morning....got a response in 5 minutes, and it was the perfect solution. Thanks again to your service. Jason V. Kirkland, WA
  • I do know, after going though this with JustAnswer, that I can somewhat trust my mechanic but I will always contact you prior to going there. BR New Jersey
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
  • used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future. David L. Richmond, TX
  • 9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much. Phil Marysville, CA
 
 
 

Meet The Experts:

 
 
 
  • Ron

    ASE Certified Technician

    Satisfied Customers:

    20942
    23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
< Last | Next >
  • http://ww2.justanswer.com/uploads/FO/fordguy4u/2011-12-17_222940_HPIM1257.64x64.JPG Ron's Avatar

    Ron

    ASE Certified Technician

    Satisfied Customers:

    20942
    23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
  • http://ww2.justanswer.com/uploads/MU/muddyford/2012-6-13_1204_1.64x64.png Chris (aka- Moose)'s Avatar

    Chris (aka- Moose)

    Ford Technician

    Satisfied Customers:

    22382
    16 years experience with Ford.
  • http://ww2.justanswer.com/uploads/JM/jmcdo28/2012-2-23_01655_resized.64x64.jpg John Mc's Avatar

    John Mc

    Ford Technician

    Satisfied Customers:

    5493
    19 years Ford Lincoln Mercury experience
  • http://ww2.justanswer.com/uploads/wmarti7/2009-4-18_04332_Avatar.jpg Chuck's Avatar

    Chuck

    ASE Certified Technician

    Satisfied Customers:

    1684
    33 Years Experience,Ford Senior Master,ASE Master,L1 Advanced Engine Performance
  • http://ww2.justanswer.com/uploads/CR/crzydrvr00/2013-11-3_12123_246347.64x64.jpg Richard's Avatar

    Richard

    ASE Certified Technician

    Satisfied Customers:

    1518
    12 years at a Ford Lincoln/Mercury and Jaguar dealer as a technician and shop foreman.
  • http://ww2.justanswer.com/uploads/BA/baddad1/2014-4-1_23659_avatar.64x64.jpg Mike V.'s Avatar

    Mike V.

    Auto Service Technician

    Satisfied Customers:

    789
    25 years experience on all makes and models, Licensed NYS Inspector.
  • http://ww2.justanswer.com/uploads/lostrider/2009-9-26_23144_php4VNWAA_c1PM1.jpg lostrider's Avatar

    lostrider

    Ford Technician

    Satisfied Customers:

    2940
    ASE Master Technician, Ford Senior Master Technician,Diesel certified, ASE Master, 22 yrs FORD exp.