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  #1  
Old 02-23-2010, 04:39 PM
clutter clutter is offline
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CVT Whirring/Whining Noise

My transmission makes a whirring/whining noise at normal speed. It appears that stop-and-go traffic makes it worse and will quiet down some after resuming cruising speed. I noticed in another thread that others are complaining about this. Has anybody been able to get this resolved?
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  #2  
Old 02-27-2010, 10:41 PM
patroit07 patroit07 is offline
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just turn up the radio and drive it or take to dealer easy solotion to problem
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  #3  
Old 03-09-2010, 12:26 AM
josiesjeep josiesjeep is offline
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Thought it was the CVT the 1st time I heard a noise. Turned out to be a loose guard above the drive shaft. Fixed it myself.
Last fall the jeep would intermitantly whine like a car trying to go fast in reverse. More recently it was constant, louder then the engine. Dropped it off at a shop, now we are waiting for a complete new rear differential. Jeep said, don't bother rebuilding it, just put in the new one we are sending you. It's only been a week, but i hope we get it back soon.
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  #4  
Old 07-04-2011, 02:14 PM
dantetoo2 dantetoo2 is offline
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Quote:
Originally Posted by josiesjeep View Post
Thought it was the CVT the 1st time I heard a noise. Turned out to be a loose guard above the drive shaft. Fixed it myself.
Last fall the jeep would intermitantly whine like a car trying to go fast in reverse. More recently it was constant, louder then the engine. Dropped it off at a shop, now we are waiting for a complete new rear differential. Jeep said, don't bother rebuilding it, just put in the new one we are sending you. It's only been a week, but i hope we get it back soon.
Hi, Josiesjeep. Can you please describe how you access the loose guard above the drive shaft? I get this horrible toy car windup noise when the engine gets really hot in the summer or after a couple hours on the highway. The noise is then slightly noticable when cruising on the throttle but is extremely lound when really opening up to pass..etc..
I hope it is just what you described. Much obliged in advance.
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  #5  
Old 08-02-2014, 11:07 AM
hakujin hakujin is offline
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Quote:
Originally Posted by dantetoo2 View Post
Hi, Josiesjeep. Can you please describe how you access the loose guard above the drive shaft? I get this horrible toy car windup noise when the engine gets really hot in the summer or after a couple hours on the highway. The noise is then slightly noticable when cruising on the throttle but is extremely lound when really opening up to pass..etc..
I hope it is just what you described. Much obliged in advance.
is that the loose guard? how did you fix it? seems many other theories on here related to this or similar noise. i've narrowed ideas to tranny, cooler, rear differential, loose guard, OAD pulley.you would think Chrysler would just know but something tells me they will be (or pretend to be) clueless.

Mine is exactly the same on a 2011. https://www.youtube.com/watch?v=pOX-ufuwYiE
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  #6  
Old 08-05-2014, 01:32 PM
hakujin hakujin is offline
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nevermind. clear now this is a widespread cvt fluid overheat problem. notorious problem with crappy jatco JF011E. this alone is enough reason to sell the pat. no coincidence chrysler moved away from this cvt in 2014. also happens frequently with avenger and altima.

Last edited by hakujin; 08-05-2014 at 03:23 PM.
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  #7  
Old 08-10-2014, 12:59 AM
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My local dealer said it happens a lot in the summer. Jeeps coming over the hill from California make this noise a lot, then go into limp mode. My dealer said it's usually fixed by changing out the CVT fluid and filter.

I'm going to do my first CVT fluid change at around 50,000 (I have 47,000 now)

If it doesn't fix the noise my CVT is making I will be sure to let you guys all know.

I really don't want to have this noise problem for long, my next Jeep will NOT have the CVT if it's not fixable.
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  #8  
Old 08-10-2014, 01:52 AM
coryconklin coryconklin is offline
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Originally Posted by SREJECT View Post
My local dealer said it happens a lot in the summer. Jeeps coming over the hill from California make this noise a lot, then go into limp mode. My dealer said it's usually fixed by changing out the CVT fluid and filter.

I'm going to do my first CVT fluid change at around 50,000 (I have 47,000 now)

If it doesn't fix the noise my CVT is making I will be sure to let you guys all know.

I really don't want to have this noise problem for long, my next Jeep will NOT have the CVT if it's not fixable.
Did you take it back to Prestige to be checked out or to another dealer in town? Since mine was changed early this year I have not had any issues with over heating. However I have not taken a long trip this summer (I did go to Joshua Tree National Park in March/April). I am off next Thursday...maybe a trip to Cali and back on 15 or out to Death Valley to test the tranny would be a good idea
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  #9  
Old 08-11-2014, 06:15 PM
betos betos is offline
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I had the same problem, when the warming began cvt noises. Change the oil last week and no problems until now, hopefully when heat (Argentina) reaches continue behaving well
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  #10  
Old 08-22-2014, 03:22 AM
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Quote:
Originally Posted by coryconklin View Post
Did you take it back to Prestige to be checked out or to another dealer in town? Since mine was changed early this year I have not had any issues with over heating. However I have not taken a long trip this summer (I did go to Joshua Tree National Park in March/April). I am off next Thursday...maybe a trip to Cali and back on 15 or out to Death Valley to test the tranny would be a good idea
I did take it back to Prestige and they seemed familiar with the problem. They even told me how they usually fix it, there is a screen filter in addition to the main filter. They do a really good job cleaning that out and replace the main filter then check the rest of it out. Seems like it will fix my noise issue. I'll know soon, I plan on doing mine at 50,000 miles in the next month or so. Probably going to have to put it on my credit card....
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  #11  
Old 08-22-2014, 10:10 AM
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Quote:
Originally Posted by SREJECT View Post
I did take it back to Prestige and they seemed familiar with the problem. They even told me how they usually fix it, there is a screen filter in addition to the main filter. They do a really good job cleaning that out and replace the main filter then check the rest of it out. Seems like it will fix my noise issue. I'll know soon, I plan on doing mine at 50,000 miles in the next month or so. Probably going to have to put it on my credit card....
I am glad to hear that my issues with the transmission have helped someone else out on the forums. When I went to Prestige last year they had no clue what to do and told me that it is normal. It is good to hear that they now know how to better deal with the issue
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  #12  
Old 09-18-2014, 05:29 PM
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well, i'm taking it in next fri and they will likely do cvt fluid exchange before anything else, to the tune of $480.

as I've read in the NissanClub forum, the noise derives from shavings from the bearings falling off. I doubt the fluid exchange will be anything but a short term patch, but this will be a point of contention nevertheless, in order to get this Jatco CVT replaced under powertrain warranty.

It seems shameful these problems I'm experiencing at only 34k miles. now it moans in addition to whines; moans when i've completed a one way 30 mi drive, come close to stop and tap on the gas. Mind you, prior to these longer commutes, this thing was driven really gingerly.

i plan to buy a mazda3 this weekend; can't get more than 23mpg hwy w/ a 2011 Pat FDII.
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Old 09-18-2014, 06:47 PM
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seems like all the CVTs are different, my 2014 Sport FDII I just traded in whined like crazy. The loaner FDII I had between trading was dead silent now my new FDII is a little whiny but quieter than my Sport.
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  #14  
Old 09-18-2014, 09:30 PM
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mine whines but I always assumed it was because of how the teeth are straight cut on the belt. Kinda cool, sounds like a mini gear driven supercharger, just quieter. in any case, it drives just fine, besides the occasional "limp mode" until I hit 15 mph (stupid drive-by-wire)
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  #15  
Old 09-18-2014, 09:58 PM
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The cvt on my 08 FDII never whined, on my 2012 it whines a bit at high rpms only in the FDII mode when i'm really pushing it offroad, otherwise its pretty quiet, and I've never had the temperature light come on.
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