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Thread: Does your vent selector stick? Have you broken the cables? Read on, Reply to Thread
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Topic Review (Newest First)
06-07-2017 03:59 PM
flap fix

Hi amc49 The attachment below may explain my own solution on my car. (Ref.#21) This arrangement is still working properly and I am happy yours is too. Keep cool and have a good one. hamlorac.
06-03-2017 06:42 PM
amc49 Your way works fine but you need to be sure you are as close as you can to absolute closed at least on the a/c side as any leaking there at all to guarantee no sticking then lowers the quality of your a/c coldness. Need to be right up against the door sealing but NOT sealing. I actually have your method pics saved and at first was going to do it that way until looking close at how the door rocker arm worked made me realize how you could zero in even closer by using the cam to have more adjustability of the door closed points.

I'm in Texas, we have no overhead giveaway of a/c cold at all here, need every last bit of it. You're great in Canada............
06-03-2017 06:03 PM
flap fix

Hi amc49, Thanks for your update. That is a unique alteration to the selector gate, but whatever fixes your problem, then that is more power to you. My own solution has been good for 2 years now, so I am not looking for any more drastic moves. Thanks for the heads up and keep plugging away. hamlorac.
06-02-2017 01:22 PM
amc49 Fixed, but using another way. There are actually two sticking points there.
09-06-2015 03:49 AM
ssfc72 Thanks for the suggestion, to keep the control knob turned just a bit away from either extreme of adjustment. Works without problem, now.

The vent control knob was starting to get difficult to move off the full CW or CCW position, on my 2007 Focus wagon (220,000 km), just this summer.
It finally did freeze in the defrost position and I had to access the plastic lever, on the air box, at the floor of the car, and manually move the lever, to free up the vent control knob

Originally Posted by torradan View Post
I may have to give this a try when I feel like pulling the car apart again. It's having enough problems that I don't even want to look at it and I'm about ready to drive it into Lake Ontario.

Anywho, mine gets stuck on defrost,and I have to reach up inside there and manually move it. As long as I keep it a notch from full defrost, it doesn't stick.

Almost seems like it goes a little further past where it should, and turning the knob isn't enough to rotate it back.
08-13-2015 05:32 PM
dhouse 2 views of the same thing. One stop only.
08-13-2015 05:31 PM
dhouse Got it. Works great.
08-13-2015 02:05 PM
dhouse To hamlorac or davmac - Hi. I think I understand the location of picture 2, as it appears to be below the radio, right behind the hvac control panel, the three ribs being the unique i.d. of the spot. What I can not make out is the location of picture 3. Can u or anyone else shed a little more light on that. I don't want to put this all back together and only have one stop installed. Thanks
08-06-2015 05:42 PM
davmac As is typical my long winded answer missed the point.
My center bolt is mounted approximately in the center of the air box on the left side of those reinforcing ribs just as pictured. Pay attention to the photo for the vertical placement (kind of resting just above the ridge) because that determines where the bolt enters the air box. The horizontal placement is not too critical because you just want to keep the flap from completely closing and the flap is the entire width of the air box.
The center bolt I used was M8x1.25 x 25 or 35mm long
I'm sure M6 would also work as would 1/4-20.
The only critical adjustment is how much bolt is threaded into the air box. You need to be able to twist the knob to nearly the end of its range before the bolt stops the flap. Obviously you want the flap to nearly seal to have the intended effect of changing the air flow.
IIRC I just grabbed the damper door by hand using the lever at the side to confirm the fix before reassembly.
Good luck with your repair!
08-06-2015 01:41 PM
dhouse davmac - Agreed - it is brilliant and simple. My question was length and diameter of the center, stop bolt, and it's positioning, which I think is important to get right. I can't believe it would take much force to prevent the damper from over traveling. I'd think 6 mm diameter for the center, or stop bolt would be adequate. His photo's though excellent and close up, skew scale perception, hence the questions. His center / stop bolt appears to be 8 mm relative to the small self tappers. Thanks for your input and thanks to hamlorac. I'm grateful to be able to save my daughter a lot of money on this fix. She's one of those broke college students.
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