4 Wheel drive question - JeepForum.com

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post #1 of 6 Old 12-11-2013, 09:04 AM Thread Starter
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4 Wheel drive question

Last night I shifted into four wheel drive and it was whining a little bit and then when I got where I was going my Jeep kinda jolted a little and then it was driving like I had a flat tire. Once I shifted out of 4 wheel drive it was fine. Any ideas????

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post #2 of 6 Old 12-12-2013, 04:52 AM
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Thanks for your post.

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post #3 of 6 Old 12-12-2013, 10:54 AM
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Sounds like you were driving on a hard surfaced road and either your tires are not all the same size or your tire pressures are not equal.
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post #4 of 6 Old 12-12-2013, 11:04 AM
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I would check the tire pressure like Red Rubicon suggested. When I use 4wd, my TJ whines for about 30 seconds and then stops. You might want to change the front diff gear oil, not sure if that would make a difference but I recently changed mine and overall 4wd is MUCH less clunky. Thinner oil in the winter is suggested if your in the north but I use a 80w gear oil in Michigan because I am around 200,000 miles. Just a suggestion.
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post #5 of 6 Old 12-12-2013, 11:42 AM Thread Starter
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It is a 2005 wrangler sport straight 6 with a stock transmission. I have brand new tires on it. Has nothing to do with the tires just felt like the 4 wheel drive was wobbly or something. Have switched it in to 4 wheel drive since then and it doesnt act like anything is wrong with it. May have just been a gremlin.
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post #6 of 6 Old 12-12-2013, 12:36 PM
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When was the last time you used 4wd since the problem started? When I bought my 98 its 4wd hadn't been used it at least 6 years. I replaced the front diff oil. Took me at least a half hour to get the handle to move into 4wd, after that it was clunky for about 5 miles and then smoothed out. Beats me, glad its working for you.

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