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Unread 05-28-2013, 09:58 AM   #1
thechainrule
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Wj Vibration - TC or CV??

This weekend while driving my jeep on the highway it started vibrating horribly at the front end almost as if the front drive shaft wasn’t balanced or something, it got worse when on the throttle so I pulled over to have a look. There was smoke coming from the transfer case where the front axle meets the TC. Also, I noticed that the tears in my CV boots were much worse than I thought; I have been planning to swap them out this month thinking they would last a bit longer but could the CV axle cause this vibration too?
What’s weird is that I had to restart my jeep to get it out of the way and the majority of the issues went away. No more vibration or loud noise. However, I can definitely hear a humming/ slight grinding when its moving now especially while coasting off the throttle.

I have no idea where to start here. Obviously replace the cv axles, but as far as the vibration…swap the TC, rebuild, new chains????

Thanks


2000 wj, 4.0, 247 TC 180000 miles

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Unread 05-28-2013, 10:54 AM   #2
skain8
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Start easy first -- remove your front driveshaft and take her for a spin. If the vibration stops, you likely found the source of your problem. Report back the results.
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Half-Ton axle swap guide


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Unread 05-29-2013, 08:08 AM   #3
thechainrule
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Is there a write up anywhere for that?
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Unread 05-29-2013, 10:37 AM   #4
skain8
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Quote:
Originally Posted by thechainrule View Post
Is there a write up anywhere for that?
Yes.

Step 1. Grab wrench and remove bolts.
Step 2. Remove driveshaft.
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'02 WJ: 4.7L, 5", HP44/9", 231HD, tall & skinny KM2's
Half-Ton axle swap guide


*looking to buy 3" springs or swap my 4.5" springs for your 3" springs -- PM me*
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Unread 05-29-2013, 11:51 AM   #5
porrsher
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Sounds like a gone TC.

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Unread 05-29-2013, 01:32 PM   #6
thechainrule
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Time to grab a new 247.
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Unread 05-29-2013, 02:23 PM   #7
skain8
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I enjoy web-diagnosing issues just as much as the next guy, but did you consider troubleshooting a problem prior to replacement? Just a thought.
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'02 WJ: 4.7L, 5", HP44/9", 231HD, tall & skinny KM2's
Half-Ton axle swap guide


*looking to buy 3" springs or swap my 4.5" springs for your 3" springs -- PM me*
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Unread 05-29-2013, 02:27 PM   #8
adavis39
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Quote:
Originally Posted by skain8 View Post
Yes.

Step 1. Grab wrench and remove bolts.
Step 2. Remove driveshaft.
terrible write-up.....i mean you didnt even mention where the bolts are located
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Unread 05-29-2013, 02:37 PM   #9
thechainrule
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I didn't realize how easy it was to remove the shaft as I have never done it before. I just took another look under the car this morning, the CV on the front drive shaft is definitely destroyed. I am going to take it off tomorrow before I go about buying another TC.

Is there anything wrong with taking the shaft off and leaving it off until i get the replacement CV?
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Unread 05-29-2013, 03:37 PM   #10
skain8
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Originally Posted by adavis39 View Post
terrible write-up.....i mean you didnt even mention where the bolts are located
I'll try better next time.
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'02 WJ: 4.7L, 5", HP44/9", 231HD, tall & skinny KM2's
Half-Ton axle swap guide


*looking to buy 3" springs or swap my 4.5" springs for your 3" springs -- PM me*
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Unread 06-03-2013, 09:23 AM   #11
thechainrule
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I went under the jeep this weekend to try and get the drive shaft out but it seems like its seized on there. Im going to give it a nice coat of pb or wd-40 and give it ago again later tomorrow. Also, when I was taking the bolts out i did notice some water leaking out around the bolts and a bit of oil coming out at the diff side, is this normal?
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