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noise when I turn on heater or A/C

ACEE-TL

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ok so the other day I was driving down the road and I heard what i thought was feedback. Well I turned my radio off and I still heard it...so I turned my heater off and it stopped. So I turned a/c on and well did it again. It's coming from passenger side, inside the cab like right underneath the glove box...WHATS WRONG???? Is my truck about to blow up???
 

KETCHUP

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my air has been doing funny things too. The other day I forgot my IPOD so I had my Alpine off. There is a weird blowing sound when my air is on. Not normal sounding. It changes with increased throttle and shifting. Not super noticable, but I notice it. Dunno bro. Check your cabin air filter. I should check mine too.
 

ACEE-TL

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it sounds like something was kinda rattling....I don't think its the cabin filters. It only makes noise when I turn the a/c/heater on. I don't know what you call it...all I know is I think its black and under the glovebox. People in your passenger side probably have kicked it before.
 

ACEE-TL

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I just went in the cold...figure pics would help

This is the area in which I was speaking the noise is coming from.
 

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genesis96

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It sounds like the blower motor. I just had mine replaced a couple weeks ago and it sounded like you're describing. Mine was under warranty though. It fixed it right up. That noise was driving me insane.
 

sc426hemi

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does it vibrate? mine vibrates really bad when i go above 2 on the power
 

ACEE-TL

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now that you give it a name it all comes together...I couldn't think of what to call it. By chance genisis do you have a part number or something for it?????

mine doesn't vibrate....just make the noise....well if thats not cover under powertrain warranty mine won't be getting fixed for free.

**just found this check it out and see if this could be it.....its part #6**
http://www.trademotion.com/partloca...2075&callout=6&catalogid=2&displayCatalogid=0
 
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ACEE-TL

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how long has yours been doing that? It doesn't look that hard to change.....if its a couple screws...I just might change it myself....
 

Rat Rod

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well it i have no idea when it started i never use my ac just noticed it recenlty since it has gotten cold and actually use my hearter
 

rav-o-nation

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sorry to thread jack but is has to do with the AC.

when my ac is on high it doesnt blow very hard i dont know why but one day it just stopped blowing hard its like high doesnt work only med-high and when its on low it feels like its barely coming out. anybody have this issue with theres??
 

Rat Rod

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nope bro sorry sound like a guru questiion or search ac threads?
 

shaggy08xr

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sorry to thread jack but is has to do with the AC.

when my ac is on high it doesnt blow very hard i dont know why but one day it just stopped blowing hard its like high doesnt work only med-high and when its on low it feels like its barely coming out. anybody have this issue with theres??

I'm not 100 percent sure but it sounds like u have a short in the switch or maybe ur blower motor relay.
 

NHXRUNNER

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I've got the same type of noise coming out of mine.....like there's something hitting a fan blade...gonna have to bring mine in to get looked at....driving me insane.
 

shaggy08xr

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My wife had same problem and when we took off blower motor it was filled with leaves. And yes it does have a screen to filter ahead of the motor
 

genesis96

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I've got the same type of noise coming out of mine.....like there's something hitting a fan blade...gonna have to bring mine in to get looked at....driving me insane.


That's exactly what mine sounded like.

I don't have a part number or anything. I don't even know what the specific part looks like. I just had Toyota look at it while I had it in for a P0606.
 

Phoenix

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Probably should take mine in to gte looked at. It sounds like a ticking time bomb when my heater is on..

+1 goood thread read
 

ACEE-TL

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I've got the same type of noise coming out of mine.....like there's something hitting a fan blade...gonna have to bring mine in to get looked at....driving me insane.

My wife had same problem and when we took off blower motor it was filled with leaves. And yes it does have a screen to filter ahead of the motor

this sounds like my problem....
Shaggy once ya'll took it off 1) was it easy to remove 2) did cleaning the leaves out fix the problem?
 

shaggy08xr

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this sounds like my problem....
Shaggy once ya'll took it off 1) was it easy to remove 2) did cleaning the leaves out fix the problem?

Yeah its not hard to take, and we had already purchased her new blower and just for kick put it back on first and it worked fine. So we returned the new one
 

preXrunner

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I had that problem too... I found a thread on TN that fixed mine.

I took mine off, tightened a couple screws and the noise was gone. I'll try to find the link to the thread... its been a while.

Found it:
http://www.toyotanation.com/vb3/showthread.php?t=215238

I've found the reason for the ticking sound. My dealer kept saying "normal" and "there are leaves in the fan". I kept telling them otherwise until I got pissed enough to just take apart the blower fan and see where EXACTLY the sound was coming from. The sound is coming from the metal faceplace which covers the wire spool around the spindle of the fan. the faceplace must be balanced properly because it holds in place the spindle which is rotating for the fan to blow. when the faceplace is off balance by one of two screws that holds it in place, the fan ticks like a MF'er....as you balance the plate, the tick goes away and is as quiet as a mouse.

#1 I took my glove box completely off making sure to release the springy thing first on the right side towards the passenger door and then just popped her out.

#2 I then got out my trusty ratchet with a 5.5mm socket and removed 3 screws on the underside of the blower....the fan will slide out easily. leave the wires attached (be careful as the fan is still runnin' lectric)

#3 let down the door that holds the cabin filter in and remove filter. now you can reach up in there and see if any of those mysterious leaves are present. blow it out with your air compressor or just root your hand around in there to get anything out.

#4 hold the black plastic fan housing in your hand carefully and reach over and turn your a/c on the low setting (BE CAREFUL as that thing is quick to get away from you and can take a nub off pretty quickly) make sure you can hear the sound coming from the assembly in your hand. If so, move to step #5.

#5 remove the covering with a phillips screwdriver (4 screws - i think) and remove that cover to reveal a silver metal cover with TWO (2) lubed screws. THESE ARE THE SCREWS THAT MUST BE BALANCED. Take a pair of vice grips and grab the black housing with them so you can get your hands away from the moving fan and so you can hold it steady. then use your phillips screwdriver on one of the two screws and notice how you can make the sound/tick worse as you tighten one of the screws.....too tight and the fan slows down and/or TICKS, too loose and the fan slows down....(spindle getting in a bind).

There is a point where the fan will turn fastest and the sound will disappear magically. You'll see what I'm talking about once you're in there adjusting the screws to find that perfect point.

#6 re-assemble and enjoy!


I hope this helps a few people that have this ANNOYING sound! :rolleyez:

sometimes it just takes getting pissed off.....damn delphi.

Why didn't they have metal stoppers under those screws or not have the spindle held still by a moveable plate......argh....


I think that over time, those screws are backing out at different rates, which makes the spindle bind up and/or ticking sound occur......
 
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