Well as far as knowing exactly which hose to put where i cant help. Other than tell you to buy a chiltons manual at advance auto. Now there is a box in the passenger side floor under the dash of your taurus. this box is actually where the flipper is that switches from floor, to vents, and of course your defroster. So you can reach up there manually and switch yours to defrost. Just turn your heater on and(blower motor) then look for the black box should be like one foot by 1 foot. There will be a little siver selector switch on the side of this box. Just flip this switch by hand and you will make your hot air go up to your defroster, also while you are under there, look for loose vacuum hoses, this is normally cause by children hitting these hoses with their feet and disconnecting them. So i am sure now that you know where to actually look you can fix this problem. Hope this helps ya
- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
The system to change from vent to defrost etc. it's all vacuum controlled. First thing I would do is look inside your engine compartment and look at all the black hoses close to the firewall. Check to see that they have no cracks, have come apart, this is also a good time to check your oil, and do a visual for anything that doesn't look tight or right. In Ford your temp is cable controlled but vents are all vacuum. Words case scenario you may have to take off that control panel to investigate further. One last thing if you can look under the dash tho make sure morning had been kicked loose. A good trick to use for an inspection like that is a mirror and flashlight. Let me know. Jim
If you cannot change the air flow from the heater vents, defroster vents, to dash vents, etc. as your control switch indicates the problem could be a loose vacuum line. It could have come loose from the engine under the hood. If not you will need to remove the control from the dash and check for vacuum at the control. If you have vacuum there you will need to replace the switch,
THAT BLACK HOSE IS PROBABLY COMING FROM HOOD LINER,THATS A BROKEN WASHER SUPPLY HOSE FOR YOUR WASHER NOZZLES TO SPRAY WINSHIELD OFF. HOWEVER YOU PROBABLY HAVE ANOTHER SMALL BLACK LINE THAT GOES THROUGH YOUR FIREWALL BEHIND DASH RIGHT UNDER PASS SIDE AND VERY BACK OF ENGINE COMPARTMENT. THAT IS A VACUUM LINE THAT SUPPLIES VACUUM TO YOUR A/C PLENUM TO ALLOW MODES OF OPERATION TO WORK WITH YOUR MODE SWITCH TO DIRECT AIRFLOW TO FLOOR,VENTS ETC... THE LINE IS BROKEN,DEFAULT IS DEFROST AND THATS WHAT HAS HAPPENED.
It sounds like you might have a vacuum leak. The air doors that control where the air flow goes are vacuum operated, and if a line gets broken or dry cracks, the system will go to its "default" setting, which is usually either the defroster or the floor. Start at the engine and check all of your vacuum lines, both rubber and the hard plastic ones. There will be at least one vacuum line, usually a hrd plastic one, that goes through the firewall, near where the heater box is. Check them all. Remember that there are also vacuum lines that go inside the car, behind the dash to the control head. Good luck.
Their is a vacuum actuated valve that redirects the flow of air from the panel to the defrost vents when the defrost is selected. I would check the vacuum line running to the valve while the vehicle is running with the defroster on and check whether or not the line is pulling a vacuum to actuate the valve, if not you obviously have a bad line or vacuum line fitting. If you have suction on the vacuum you will need to check the valve and see that is functioning properly. The valve is usually located under the dash on the passengers side. If you are mechanically inclined i would go to a local auto part store and pick up a repair manual for your car for about $20 as they contain diagrams and info that will save you alot of money.