I have a ford f-250 7.3L diesel and I am having problems with the air flow. The air only comes out of the defroster outlet. no air comes from anywhere else.
Sounds like the blend door is stuck. At least it's stuck on defrost, which isn't the best for A/C use, but better to have for the winter months. Only solution here is to tear apart the dash and readjust the blower (clean out the tubes,etc) and secure the linkage which is vacuum actuated. Best case, is that a vac line came off, however it still involves tearing into the dash. If you do this yourself with a GOOD repair manual (Haynes or Chilton) expect a good 6-8hour completion time. It's all in the labour.
thanks for your reply. I noticed on the inside of the cab, below the dash there is a unit with a block snap on/off box surrounding this unit. I suppose this would have nothing to do with nothing...anyway where would the blender unit be found out once the dash is off?
I couldn't tell you from personal experience as every vehicle is different. Generally, it'll be behind the center console, some vehicles it's on the passenger side behind the dash. In the black box you speak of, you should find a resistor/solenoid there that controls the blower motor speed as you turn the fan adjustment knob. I haven't had to take that apart on any of my vehicles yet.
So where is the vacuum hose located at under the hood or inside the dash. I will need the A/c to come out of the panel vents in lieu of the defrost only.
Re: Air does not come out of panel vents-Now my washer pump does not work
More problems!! My washer pump does not work as well as the air not coming from the vents. I have checked the fuse on both problems and all is clear. I noticed there is a washer relay in the power distribution box, of course I would have to pull this and probably replace it, since I do not know of a way to test it.
I was wondering if these problems are somehow connected. Any advice would be appreciated.
OK! update...I fixed the washer fluid pump, the reservoir had a rubber filter and it came apart stopping the flow of fluid to the windshield, replaced and is working.
still looking for all the vacuum lines that connect to the actuators.:beerbottl
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