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-   -   defrost now blowing out front vents... (https://www.subaru-svx.net/forum/showthread.php?t=59758)

stickyfinguhz 04-30-2012 05:09 PM

defrost now blowing out front vents...
 
so i recently turned on just my defrost button, it worked on my windshield but there was clicking noises behind my steering wheel. so i go today and the clicking stopped but now when i put defrost on it doesnt come out the vents by my windshield but the vents on the dash above the stereo and a/c buttons n stuff. it is really hot air but the clicking has stopped. but nothing is coming out by my windshield.. anyone know what could be causing it to switch to a different vent?

icingdeath88 04-30-2012 05:35 PM

Re: defrost now blowing out front vents...
 
There is a motorized thingy by the driver's right foot kind of up in the dash that opens and closes the vents. If you get on your back with a flashlight, you should be able to get a good look at it and see whether one of the little "fingers" has come loose from the little rods and things that it uses to control which vents are open. Or, maybe the motor or a relay just died or something.

Sean486 04-30-2012 05:36 PM

Re: defrost now blowing out front vents...
 
You probably need to clean and grease the track for the sliding mechanism. I think there is a thread or a how to for this if you search around a little.

icingdeath88 04-30-2012 05:38 PM

Re: defrost now blowing out front vents...
 
Quote:

Originally Posted by Sean486 (Post 703504)
sliding mechanism

Ah, yes. That sounds a lot better than "thingy".

stickyfinguhz 04-30-2012 05:47 PM

Re: defrost now blowing out front vents...
 
okay ill check it out. and this sliding mechanism that could be greased...is that by the drivers right foot where the first guy told me to look? its weird cause my defrost worked friday, than saturday i heard the clicking and now monday clicking is gone but im gettin real hot air coming out the other vents. its like it totally detoured to the other vents but still has good power lol. ill look for that other thread

icingdeath88 04-30-2012 05:51 PM

Re: defrost now blowing out front vents...
 
Yea, that's what I was talking about. It looks like a plastic set of fingers that each have a track for something to slide on. Once you see it you'll understand how it works.

On a side note, where in the world are you that you still need the defroster this time of year?

stickyfinguhz 04-30-2012 05:58 PM

Re: defrost now blowing out front vents...
 
so i can look this up right now without taking anything apart? since i have no tools... and i live in edmonton alberta canada... we had snow on friday.. haha

icingdeath88 04-30-2012 06:06 PM

Re: defrost now blowing out front vents...
 
Yep. Just grab a flashlight, and you ought to be able to see what's going on as long as you can maneuver yourself into a position to see up there. Try switching the ac controls to vent/defrost etc to see what happens.

Well I mean, you'd need tools to change out the actuator and stuff, but not to see what's going on with it.

Ah, good old Canadia. That explains it.

Conn SVX 04-30-2012 06:08 PM

Re: defrost now blowing out front vents...
 
I once had a wire get stuck in the mechanism.

stickyfinguhz 04-30-2012 06:26 PM

Re: defrost now blowing out front vents...
 
okay guys so i looked under there and had my room mate press the buttons. i dunno what the hell happened cause i didnt do anything but my defrost is working. and that arm moves on the track fine. so defrost fixed. but im back to the clicking noise. i see a plastic piece by the arm that looks like its doin it. but i dont know why. nothing seems bent or out of wack. ill take a picture right now

stickyfinguhz 04-30-2012 06:40 PM

Re: defrost now blowing out front vents...
 
2 Attachment(s)
i have attached 2 pictures of what plastic piece is making the clicking noise...

Tapani 04-30-2012 09:26 PM

Re: defrost now blowing out front vents...
 
Could it be the "mode motor" which is making the clicking sound? Mine did and the air flow to the defrost channesl was minimal....

It's at the other end of the shiny metal rod which is attached to the sheet metal lever by the plastic clip. very close to your red arrow.

Search "mode motor". I paid around 100USD for a new one.

Tapani

stickyfinguhz 04-30-2012 10:23 PM

Re: defrost now blowing out front vents...
 
ill look into mode motor. i know that my defrost and everything else is kicking out good and seems to be working great. just that damn clicking noise :mad:

Tapani 04-30-2012 10:28 PM

Re: defrost now blowing out front vents...
 
Worn plastic gears inside the "motor" make the sound. How it affects the defrost depends how close to the "max defrost" position the teeth are worn off....

Part #9 here:

http://opposedforces.com/parts/svx/u...llustration_1/

T


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