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Old 03-07-2014, 05:25 PM   #1
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Bad transfer case????

So I was rolling out of first gear today at a red light and I noticed when I took off I could hear a different noise coming from the underneath so when I pulled into a parking lot to check it out I noticed my tcase had a leak by where the shaft goes into it. When I was backing out of where I was it made the clicking noise as well. But wait it gets better... When I was on my way home I was babying it doing about 40 in 4th gear and when I slightly have it gas I heard a chirping noise coming from the same area... I finally got it home and now I'm here writing this lol. I'm very lost right now I hope it's not the tcase but if anyone out there has any idea what could be wrong I greatly appreciate. It's got the d30 sticker on the tcase if anybody was wondering. Hopefully it's nothing to major but with my luck ill probably have to replace it haha. Thanks
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Old 03-07-2014, 05:54 PM   #2
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Check your fluid ? Sounds like the seal is leaking and she might be out of fluid .

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Old 03-09-2014, 01:11 PM   #3
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Def check the fluid
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Old 03-09-2014, 02:44 PM   #4
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A d30 sticker on your transfer case?? To you mean your front diff? Your transfer case should have a round metal plate stamped with "new process 231"
Also pics of the leak would help
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Old 03-10-2014, 07:54 AM   #5
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Old 03-10-2014, 07:57 AM   #6
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There is some pics hopefully you can go off that.. Hopefully you see where I got the 30 part from it is the 231 tcase. There is quite a bit of fluid on the underneath of the case and where the shaft goes into it that seems to be the point of origin it flung it all over the underneath when the shaft was spinning maybe it's a bad seal?
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Old 03-10-2014, 08:15 AM   #7
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1st check the fluid level.. who makes the SYE you? I would also check the t-case shift linkage make sure it goes into hi and low okay... My next guess would be the seal needs changed.. but if you hearing things.. you might want to pop the back cover off and take a look inside..
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Old 03-12-2014, 12:03 AM   #8
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Just talked to my buddy with a 97 tj and he seems to think it could be a bearing inside the tcase and my leak is coming from the seal in it due to the bearing being shot
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Old 03-12-2014, 11:34 AM   #9
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Quote:
Originally Posted by RubberDuck28 View Post
Just talked to my buddy with a 97 tj and he seems to think it could be a bearing inside the tcase and my leak is coming from the seal in it due to the bearing being shot
I had a leak there as well and when I called my SYE manufacturer they told me it was common for the splines of the output shaft to wick fluid. If nut on the output shaft isn't torqued down, that fluid can drip out. I pulled the rear drive shaft to find the retainer nut not torqued properly. When I torqued it the leak stopped.

I know this doesn't explain your noise, but it could explain the leak. Torque the nut and fill the case with fluid. See what happens then. Good Luck!

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Old 03-12-2014, 07:16 PM   #10
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Could the noise be from the Front Driveshaft CV,Might want to remove the Front Driveshaft & take it for a ride & see if the Noise is gone.
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Old 03-13-2014, 07:11 AM   #11
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My mechanic looked at it and turns out it needs a new throwout bearing and a clutch and the leak was because the seal was shot and that's why the bearing went
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Old 03-13-2014, 08:12 AM   #12
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Quote:
Originally Posted by RubberDuck28 View Post
My mechanic looked at it and turns out it needs a new throwout bearing and a clutch and the leak was because the seal was shot and that's why the bearing went
Hum transfer case has nothing to do with the throw out bearing trany fluid and transfer case fluid are different .
GL!

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