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Old 09-14-2012, 12:34 PM   #1
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Strange sound and vibration when turning in 4H

Yesterday was the first time since I replaced the steering stabilizer that I put my 99TJ in 4WD. Up to this point I haven't really turned with 4WD on, so I am not sure if it was there before or not. Anyway, two things happened that I want to ask you all about:

1. In second gear, when turning (probably close to max turn) the stick began to wobble pretty hard left to right. Once I straightened her out, it went away.

2. At the hight of a slow 90 degree turn, I heard a sound like I just drove over a man hole cover.

I both instances I was on pavement and not dirt.

One last bit of information, I was not able to put her into 4L - the gears would either grind when disengaging the clutch or she would pop out of 4L - I will be adjusting the linkage this weekend (if I can figure out how to do it).

I am not sure where to start looking or if I even need to start looking. Any help you have would be appreciated.

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Old 09-14-2012, 01:49 PM   #2
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You should not drive in 4WD on pavement. Jeeps do not have a Center Differntial. The wheels need the ability to "slip" because they are traveling at differnt speeds (front/rear) when turning.

Could you try the same on dirt or gravle?

Let us know pal.

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Old 09-14-2012, 01:49 PM   #3
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It's not a full time 4wd system. Don't run it on dry pavement in 4H. Certainly don't run it in 4H on dry pavement and turn.
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Old 09-14-2012, 03:40 PM   #4
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In retrospect, I didn't mean to sound like a doucher scolding you. What you're experiencing is totally normal. Just don't make a habit out of it.
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Old 09-14-2012, 04:10 PM   #5
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Quote:
Originally Posted by koopzz View Post
You should not drive in 4WD on pavement. Jeeps do not have a Center Differntial. The wheels need the ability to "slip" because they are traveling at differnt speeds (front/rear) when turning.

Could you try the same on dirt or gravle?

Let us know pal.
Quote:
Originally Posted by RubiCobra View Post
It's not a full time 4wd system. Don't run it on dry pavement in 4H. Certainly don't run it in 4H on dry pavement and turn.
If you are not learning, you are dying

Another day, something else new learned about my Jeep. Thanks for the information koopzz and RubiCobra. I took her to the dirt today and other than a little jerky-ness when turning tight (assume this is due to the same reasons mentioned), everything behaved properly with no vibration in the stick and no strange sounds.

- Thanks for the replies and the Jeep education -
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Old 09-14-2012, 04:12 PM   #6
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Quote:
Originally Posted by RubiCobra View Post
In retrospect, I didn't mean to sound like a doucher scolding you. What you're experiencing is totally normal. Just don't make a habit out of it.
No worries, I just appreciate the feedback - besides sometimes stupid deserves a slap in the face

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