A few days ago air would only blow out of my vents and a little out of the floor on my 2006 F150. To me it's either the control unit in the dash, the mode door actuator, or something jammed up in there.
The temperature blend door, blower, and everything else works so I'm leaning against it being the control unit in the dash.
So I went ahead and found the mode door actuator and took it off. The actuator moves three levers. One is on the floor connected by a rod, and 2 are underneath the actuator itself(can't see those 2 unless you take off the actuator).
Here's a pic of the mode door actuator I'm talking about, I found it from another post:
Two of the levers moved freely, one is jammed. It is the highest one, I'm not sure which one it does. I'm assuming I should be able to move all three levers freely correct??
Now what do I do, do I have to take apart the entire dash now??? THIS SUCKS. If I have to take apart the entire dash to get to the actual door, I'm thinking dealer time......
after a good day of work I took the whole dash out of the truck, pretty tricky and time consuming. I'm glad to say I took it all out wihtout breaking one thing!
There was a piece of foam backing on one of the mode doors that fell off and jammed up the door. Apparantly the glue melted from the heat and the foam fell off. I went to the store and got some adhesive thats supposed to stand up to 250 degree F so that shouldn't be a problem anymore.
At least i'll know what my problem is if I ever roll across this problem. Theres foam in a lot of hidden places. Only problem i've ever had with removing dash pieces was getting the foam to stay in place after I took it apart.
For anyone who is doing a dash removal, I would recommend using blue locktite on all the dash to frame bolts. I locktited all those bolts and I must have cranked them down the hardest I could with a standard 3/8 rachet, must be around 80 ft-lbs per bolt. This thing is more solid then when it rolled off the assembly line!
sorry man it's already 100% assembled! I was in a rush and didn't take pictures, I had to take 2 days off work to finish it.
But, taking off the whole dash is not hard, but just time consumng. The hardest part is taking off the plastic panels without snapping anything, just be careful and use a plastic tool to pry them off (I used a spackel tool). All I used was the Haynes manual, it was enough for me to get the dash out.
Also, you do need two people when you take the dash out. I just put blankets down on my seats, and flipped the dash upside down on the seats with some help. Worked fine and nothing happened to my leather seats.
Hey HawkZ28.. THANKS for sharing your trials and tribulations! I think I have the same problem on my 2005 FX4.... I change the vent selector, and it takes about 5 minutes for it to change... but it does change. I wonder if it is just the actuator dying. If I take it off, and all 3 levers move easily, I guess that is the answer. Fingers crossed!!
Any chance you can circle the actuator in the picture you posted?
Mine makes a deep growling noise comming out of the defroster vents when I go in and out of those settings only (last 3 seconds)...I just picked the truck up (05 stx 4.6) so Im going to bring it back to look at it, but im sure it wont be covered
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