TJ pulls the right in 4wd and clunks hard going in to 2wd - Jeep Wrangler Forum

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Old 12-19-2012, 01:48 PM   #1
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TJ pulls the right in 4wd and clunks hard going in to 2wd

My 2000 wrangler TJ pulls to the right, it whines and when I disengage the 4wd it makes a hard clunk then drops into 2wd. Can some offer any advice please.

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Old 12-19-2012, 02:24 PM   #2
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Is this happening on the street, off road, or both? Are you backing off on the gas when shifting back into 2Hi?

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Old 12-20-2012, 09:51 AM   #3
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I back it down to shift back back. Its happening on paved road. I checked to fluid added a little. I took it back out for a short trial and it did the same thing however I noticed that it did not have a major clunk but it could have been a bit warmer. The gear oil was blackish grey. No white. 2 yrs ago I had a minor accident on the right side. I replaced the fender, radiator and hood. drives fine down the road in 2 wd and no tire wear. My thoughts are is the 4wd is only engaging on one axle or maybe the front end is slightly out if allignment. Anything anyone can do to help me I would really appreciate it.
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Old 12-20-2012, 10:06 AM   #4
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The main thing is the Wrangler's 4x4 system is what is known as a "part-time" 4x4 system and should never be used on pavement. Not even when the pavement is wet from rain. When on pavement, dry or wet, it will create jerky steering pulling, bucking, all kinds of problems and as such, is designed for offroad use only... or when the roads are completely covered in snow or ice. It can't even be used on wet roads when it is raining because there is too much traction on wet roads for a part-time 4x4 system.

Use your 4x4 only when offroad or, perhaps, if the roads are completely (!) covered in snow or ice. You can't even use it when the road have patches of snow or ice.

Only full-time 4x4 system slike you can get on the Liberty or Grand Cherokee can be used on paved roads.
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Old 12-20-2012, 10:41 AM   #5
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Yesterday was one of those days. The road was completely covered in snow and ice. Last year when it did it, it was the same conditions. Snow and ice. So with that in mind, is there a mechanical failure in the front diff? PS the fastest I even dared to get my speed up to was 25mph before it sounded like parts were going to break.
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Old 12-20-2012, 12:21 PM   #6
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Jack the front axle up and check the u joints.


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