Question about 1992 Ford Taurus

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1997 ford taurus gl ac is blowing through defrost

1997 ford taurus gl ac is blowing through defrost , cold air also, i was looking under hood and like on the side the battery was on like right below it there is a black hose just hanging there can that be the problem"? and also how do i find where it is supposed to fit back on to?

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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.

Posted on Jul 12, 2009

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01 Taurus a/c is working, but not blowing out the dash vents, only out the defrost vents. What do I look for, and how to fixing this problem. HELP!


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

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1997 Taurus ford GL 3.0,6cyl. Heat runs cold to


Some early cars have what is referred to as a hot water valve under the hood . It is hooked in one of the heater hoses , the supply side . The other hose is the return side , once the hot coolant goes through the heater core it goes back to the engine to get heated up again. This hot water valve is operated by engine vacuum. If you look at the fire wall or bulkhead , you should see two hoses going into the inside of the vehicle. those are the heater hoses. look for the valve on one of them. If you vehicle doesn't have one of this valves , you possibly have a mode or blend door problem . Does you car have Electronic Automatic Temperature Control or manual A/C-heater system ? The heater blower does work , all speeds ?

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My heater does not blow in floor in a dodgeram 1500


the heater vacuum motor and lines needs to be checked.Also get the blend door checked.

NO HEAT ON FLOOR 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


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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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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

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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

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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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Ford F150 Ac only blows through defrost vents?

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

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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

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

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AC not blowing through Vents on 2007 Chevy Trailblazer?

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

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Passenger side temperature is warm air out of dash vents?

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These will help.

Thanks.

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

----------

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

-----------

AC not blowing through Vents on 2007 Chevy Trailblazer?

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

----------

Passenger side temperature is warm air out of dash vents?

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

----------


These will help.

Thanks.

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1 Answer

1997 Ford F150 Air Management Problem. When Fan turned on it only blows to defrost no matter what I set it to AC, MAX AC, PANEL or FLOOR. Visually inspected vacuum line behind battery looks ok. What...


The air flow is controlled by vacum. I would start by inspecting all the hard plastic vacum lines under the hood. If you find none broken or loose , then inspect the control panel. by "default" the air is derected to the defrost position.

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1 Answer

Ford taurus ac stuck in defrost


Check under the hood for a vacuum leak near the firewall on the passenger side of the car. The blender door is vacuum operated and a leak would prevent the door from changing which vents the air blows. Hope this answers your problem. All the best!
Greg

Jun 04, 2009 | 1998 Ford Taurus

1 Answer

Ac only blows from defrost and floor no mater what setting


Defrost is the default mode when there is no vacuum. Look by the passenger side under the hood. That's where you'll find most critical vacuum connections on these trucks

May 13, 2009 | 1997 Ford Econoline

1 Answer

Heater and ac problem


You have a vacuum leak.Start at the black vacuum line that goes from under the hood on the right or passenger side to the interior of vehicle.
Defrost is the default postion no vacuum.

Jan 31, 2009 | 1998 Ford Taurus

1 Answer

Heat/ac


Hello,
You would be wise to check all the small rubber hoses under the hood as it would appear that you have a vacuum leak preventing the airflow door from moving to any other position. Look for cracked /cracking, split hoses or disconnected hoses and replace as necessary.

Good Luck!
Rich Lilja

Jun 04, 2008 | 1999 Ford Taurus

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