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Old 02-05-2014, 09:35 AM   #1
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Transfer case whine

2013 auto rubi. All of a sudden any time I'm in 4L the TC whines so bad. Everyone (who hasn't heard it) says it's normal for the tc to whine, but it's never sounded this bad before - it's definitely new. The one person who has driven my jeep almost as much as me commented on it the other night so I'm pretty sure I'm not crazy.

Any suggestions on what it could be or what to look for? There is no way to check the tc fluid, right, gotta just drain it?

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Old 02-05-2014, 10:26 AM   #2
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It may be low on fluid. Seems like you should be able to get under the rig and look for a leak.

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Old 02-05-2014, 10:44 AM   #3
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It may be low on fluid. Seems like you should be able to get under the rig and look for a leak. Bob K.
No leak that I can tell - but I have skids. Plus 8 inches of snow today! I'm gonna drop the skid & replace the fluid I guess.
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Old 02-05-2014, 12:25 PM   #4
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No leak that I can tell - but I have skids. Plus 8 inches of snow today! I'm gonna drop the skid & replace the fluid I guess.
Maybe synthetic ATF will help. I like the Amsoil that I used. I don't get a lot of whine with my 10 but my 89 YJ sounds like I have another kid.
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Old 02-05-2014, 12:36 PM   #5
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Can you get a sound clip/vid ?
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Old 02-05-2014, 12:45 PM   #6
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mine wines a little in 4lo when youre doing about 20, but you really arent supposed to do that anyway.
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Old 02-05-2014, 12:51 PM   #7
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First I would check the fluid level. ATF+4 is already a Group III synthetic fluid so no need to go looking for a synthetic ATF if you decide on changing it. Some whining is to be expected in 4L especially if you're traveling fast.
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Old 02-05-2014, 01:21 PM   #8
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Sorry, dumb girl question...How do I check the tc level? I didn't think there was a dip stick.
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Old 02-05-2014, 01:46 PM   #9
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Sorry, dumb girl question...How do I check the tc level? I didn't think there was a dip stick.
Never mind - found it! In the manual of all places. Who knew?!

(Love to quite myself too!)
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Old 02-05-2014, 02:02 PM   #10
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A good question was raised. How fast are you driving in 4Lo? Our Rubi will sing the blues too above 20 MPH.

Bob K.
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Old 02-05-2014, 02:06 PM   #11
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Oh just crawling along in 1st gear & into 2nd. Not fast at all.

I know its normal for the tc to whine - but this is definitely not the normal whine.

I did some relatively deep water recently, up to the doors, I wonder if there could be water in the tc. Not sure how that would be possible, but who knows.
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Old 02-05-2014, 02:16 PM   #12
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Ken also brought up the possibility of the cv joint. I've got 18k on my stock ds with 3.5 inches of lift - I'm just waiting for it to go. I do hear a rubbing sound when wheeling that I have assumed is my ds. I wonder if that could be it.
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Old 02-05-2014, 06:36 PM   #13
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Ken also brought up the possibility of the cv joint. I've got 18k on my stock ds with 3.5 inches of lift - I'm just waiting for it to go. I do hear a rubbing sound when wheeling that I have assumed is my ds. I wonder if that could be it.
It might. I would still check the fluid level in the transfer case to play it safe.
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Old 02-05-2014, 07:17 PM   #14
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Umm...warranty? Why stress, just take it to the dealer.
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Old 02-05-2014, 07:26 PM   #15
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Umm...warranty? Why stress, just take it to the dealer.
Yeah no kidding, make an appointment with the dealer. The perks of having a new vehicle.
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Old 02-05-2014, 07:50 PM   #16
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I'd rather figure it out myself, or at least check the basics first. My dealer isn't close by & I work every day. I'm assuming the skid has to come off & I'm not paying them to do that - I can do it & check the fluids myself.

If it's more than that, & not the drive shaft, it will go in.
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Old 02-05-2014, 08:14 PM   #17
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I'd rather figure it out myself, or at least check the basics first. My dealer isn't close by & I work every day. I'm assuming the skid has to come off & I'm not paying them to do that - I can do it & check the fluids myself.

If it's more than that, & not the drive shaft, it will go in.
That's exactly how I feel about going to the dealer. Something like checking fluid I'd rather do myself than tie up the better part of a day and having them mess with it. OTOH a warranty issue that requires them replacing parts is another story. If you check the fluid and its full and you still feel something is wrong then pay them a visit. Just be sure it doesn't involve a mod you made to the Jeep, that's if you made any mods to it.
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Old 02-05-2014, 08:33 PM   #18
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Oh just crawling along in 1st gear & into 2nd. Not fast at all.

I know its normal for the tc to whine - but this is definitely not the normal whine.

I did some relatively deep water recently, up to the doors, I wonder if there could be water in the tc. Not sure how that would be possible, but who knows.

I would have checked the transfercase and diffs as soon as i got back from that wheeling trip. If there's water in the fluid it will make it look like a strawberry milkshake. Kind of whitish pinkish foamy. You would have to change the fluid in that case.

You should extend your breathers if you're doing this kind of abuse on the regular. It might save you some money one day, and is easier than not driving in water...lol.
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Old 02-05-2014, 08:43 PM   #19
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That's exactly how I feel about going to the dealer. Something like checking fluid I'd rather do myself than tie up the better part of a day and having them mess with it. OTOH a warranty issue that requires them replacing parts is another story. If you check the fluid and its full and you still feel something is wrong then pay them a visit. Just be sure it doesn't involve a mod you made to the Jeep, that's if you made any mods to it.
Exactly. Yes she's pretty modified & it's obvious she does her share of wheeling. If it's the drive shaft there is no way I'd even have them look at it - they'd laugh me out of town if I tried to claim warranty on that! Another reason I'd rather figure it out myself.

I'm gonna check (maybe replace) the tc fluid & check out my ds real good. If it's neither I'll bring it in. It's definitely not right. I think I've got a pretty good start on ideas here. Thanks all.
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Old 02-05-2014, 08:52 PM   #20
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I would have checked the transfercase and diffs as soon as i got back from that wheeling trip. If there's water in the fluid it will make it look like a strawberry milkshake. Kind of whitish pinkish foamy. You would have to change the fluid in that case. You should extend your breathers if you're doing this kind of abuse on the regular. It might save you some money one day, and is easier than not driving in water...lol.
I did check the diffs but I never really thought the tc could have water in it unless it came in the breather. Can it? I guess it never dawned on me to check it along with the diffs.
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Old 02-05-2014, 10:12 PM   #21
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I did check the diffs but I never really thought the tc could have water in it unless it came in the breather. Can it? I guess it never dawned on me to check it along with the diffs.

You can get water in the transfer case too. If you do decide to change the transfer case fluid, make sure you can get the fill plug out first. Many times people decide to dump the fluid and not remove the fill plug first. Then they find they can't get the fill plug out, after they drained the unit and it's too late. So by checking the fluid level first you'll be certain you can get the fill plug out.
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Old 02-05-2014, 10:36 PM   #22
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Yup, you have to have a vent on the transfer case because the oil expands when its hot, etc, just like the diffs.

If it came in, it would have been through the breather......

Atleast the transmission's easy to check though if you have an automatic. If you have a manual i'd check the transmission oil too.
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Old 02-06-2014, 06:56 AM   #23
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Awesome, thanks for the tip. I have checked the tranny & all looked good.
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Old 02-08-2014, 08:22 AM   #24
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My transfer case literally exploded. Having trouble finding another transfer case for my 07 manual unlimited. Any ideas where I find a rebuilt or decent used one?
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Old 02-08-2014, 08:24 AM   #25
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My transfer case literally exploded. Having trouble finding another transfer case for my 07 manual unlimited. Any ideas where I find a rebuilt or decent used one?
I'm assuming you've checked salvage yards? Although a 4x4 shop could probably rebuild it. If they do axles then a transfer case is probably easy
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Old 02-08-2014, 12:12 PM   #26
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My transfer case literally exploded. Having trouble finding another transfer case for my 07 manual unlimited. Any ideas where I find a rebuilt or decent used one?
How, Are you lifted or stock ?

Are you a member on any other forums JKO/FREAKS ?
I see TC's all the time. I'll go see what I can find.

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