Question about 1984 Ford F 150

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Air only blows thru dash vents 1984 ford f150

When I move the selector to any position it only blows thru dash vents

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: No dashboard heat output

The climate control was poorly designed on these cars.

There is only heat on the floor and defrost settings, due to the layout of the ductwork.

Posted on Nov 22, 2008

  • 1 Answer

SOURCE: 2004 F150 Heater Vent Selector Problem

The "blend door" or "mode selector door" is stuck. Common problem with Fords. Most auto repair places can fix it. I had mine done at Firestone.

Posted on Dec 30, 2008

  • 2976 Answers

SOURCE: no heat - ac stays on blowing through defrost vents

If you have the heater directed to the windshield, the AC will turn on. Move the control away from defrost.

Posted on Feb 01, 2009

  • 88 Answers

SOURCE: my 2002 ford explorer wont blow any air out of the vents...

It sounds like blower motor has failed. Motor is located behind glove box on lower part of heater box.

Posted on Dec 26, 2009

johnjohn2
  • 5763 Answers

SOURCE: 2005 ford explorer that has no heater control

the next thing to check would be the selector motors, these motors are what move door to get floor or defrost or vent air and also hot/cold air, look under the dash try to find them, there bolted to heater box,there are 3, locate one by one then move every control and watch to see linkage move find the one that doesnt move and thats your problem, hope this helps.heres a picture to help you know what it looks like.7d37251.gif

Posted on Jan 20, 2010

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1 Answer

Why does air only blows out defrost?


You have a vacuum line that feeds the selector on the dash. It runs thru the wiring harness.There is a vacuum ball under the hood. One line goes to the engine the other to the selector switch. Check for breaks in the line. If none found, it is way easier to run a new line from the ball to the switch.

Aug 17, 2014 | 1990 Ford F150

1 Answer

Why dose my air not switch to dash vents


SOUNDS LIKE YOU HAVE A BLEND DOOR PROBLEM , YOU WILL NEED A TECK TO CHECK IT .

Aug 11, 2014 | 1995 Ford F150 Styleside Regular Cab

1 Answer

My 1994 F150 Super Cab is having A/C problems. When on Max output the AC blows through the vent as is suppose to. After about 2 min, you can hear the change coming, and air sounds like it is blowing...


It sounds like vacuum is not getting to the vent, heat and A/C controls. Find the vacuum can. It may be under the hood on one of the inner fenders. The "one-way" check valve is usually located in the line and close to the can, make sure it works properly. The valve could be the very thing that's causing the problem. Trace the lines back to the vacuum block at the intake manifold or fire-wall, and also back to where the line goes thru the fire-wall. Check the can for leaks or obvious holes. They used to be just a plain metal can, but it could be a plastic ball. Check the lines as you go, for breaks and rub-thru's. Move the controls thru all settings and listen for vent door movement. Worst case is a bad vacuum motor or air flow position selector switch. If you have been driving around with the Temperature knob or control set at the same spot for months, move it from fully cold to fully hot several times and wait for the air temperature to change each time. This will help reset the blend door and vacuum control system. Hope this helps... Let me know what you find.

Aug 23, 2011 | Ford F-150 Cars & Trucks

1 Answer

MY A/C VENTS WONT BLOW AIR ONLY COMES OUT DEFROST


Check that the acuator is moving when you turn the selector lever( lay under dash with a flashlight and look for movement on either side of evap. case. (electrictronic model) If it's vacumm. remove the control head and check the selector diapram for a leak.Good luck.

May 30, 2010 | 2002 Ford F150 Regular Cab

1 Answer

2005 ford explorer that has no heater control


the next thing to check would be the selector motors, these motors are what move door to get floor or defrost or vent air and also hot/cold air, look under the dash try to find them, there bolted to heater box,there are 3, locate one by one then move every control and watch to see linkage move find the one that doesnt move and thats your problem, hope this helps.heres a picture to help you know what it looks like.7d37251.gif

Jan 20, 2010 | 2005 Ford Explorer

1 Answer

The vent on dashboard blows no air 2005 ford explorer the air comes thru the feet part but not the vent on dashboard


Check the position of the selector switch, maybe its not far enough in its selection. Unless you have news paper or something jammed in it, that the only reason why it should not work.

Aug 20, 2009 | 2005 Ford Explorer

2 Answers

NO AIR BLOWS FROM VENTS


i have the same problem on my 84 grand prix..ther is black wire that heat runs through i broke my cause it was so old an dry rotted an the heat stoped coming out the vents but comes through the dash by the winshield

May 14, 2009 | 1984 Pontiac Grand Prix

1 Answer

Ford F150 Heater Vent Problem


FROM LustyKid:

Check your vacuum connections to the lever switch first. There should be no leaks.

Nov 23, 2008 | 2004 Ford F150

1 Answer

2004 F150 Heater Vent Selector Problem


The "blend door" or "mode selector door" is stuck. Common problem with Fords. Most auto repair places can fix it. I had mine done at Firestone.

Nov 22, 2008 | 2004 Ford F150

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