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| Vibration http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=83608 |
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| Author: | Tog [ Thu Dec 03, 2015 3:32 am ] |
| Post subject: | Vibration |
Hi new to this forum. I get a shudder/vibration intermittently while driving no set speed it can be uphill downhill or on a flat if I lift off the gas it goes away. It might be 2km up the road before it does it again or 20 but I have noticed it happening more often and it is worse in full time 4wd. I have checked the uni joints in front and rear shafts neither appear to be sloppy. I'm open to ideas. Vehicle is a 2004 KJ 3.7 petrol auto |
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| Author: | tommudd [ Thu Dec 03, 2015 10:22 am ] |
| Post subject: | Re: Vibration |
Ujoints can appear to be ok just by trying to move them when actually they are almost rusted up tight. Also dod you check the rear boot / CV on the front driveshaft. Boot goes bad, water/ junk enters and destroys the CV. Then also could be the intermediate shaft on the right side. It will go bad from wear and need to replace the right side CV and shaft. The above is where I would start . You don't mention how many miles, what transfer case ( maybe running a command trac on dry pavement is the issue) Filling in more info may help us point you in the right direction |
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| Author: | Tog [ Thu Dec 03, 2015 4:28 pm ] |
| Post subject: | Re: Vibration |
Roughly 190000 km on the clock not sure what this is in miles 545RFE transmission and NV242 transfercase |
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| Author: | Function > Form [ Fri Dec 04, 2015 10:17 am ] |
| Post subject: | Re: Vibration |
I would start with the front driveshaft that is between the transmission and the transfercase. As Tom indicated, it is most likely the rear section where the cv is. They are one of the most common noise/vibe-makers on the lib. The bearings get 'grabby' causing noises/vibration, worse in 4wd. If this is what it is and you leave it longer, it will get more grabby and may make a 'clinking' or chain-jingling sound. It might grab hard also, making sudden thumps and banging noises if really bad. Check it out soon. As a first step, just take it out (12 bolts I think), then drive in 2wd to see if it is gone. It doesn't harm the jeep to test drive it like this. Good luck! |
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| Author: | jrsavoie [ Fri Dec 04, 2015 10:28 am ] |
| Post subject: | Re: Vibration |
Function > Form wrote: I would start with the front driveshaft that is between the transmission and the transfercase. As Tom indicated, it is most likely the rear section where the cv is. They are one of the most common noise/vibe-makers on the lib. The bearings get 'grabby' causing noises/vibration, worse in 4wd. If this is what it is and you leave it longer, it will get more grabby and may make a 'clinking' or chain-jingling sound. It might grab hard also, making sudden thumps and banging noises if really bad. Check it out soon. As a first step, just take it out (12 bolts I think), then drive in 2wd to see if it is gone. It doesn't harm the jeep to test drive it like this. Good luck! It says in the book to mark the ends of the shaft so they can go back on in the same position. From what I've heard, this is rarely done as nobody reads the book until it's going back together. I think the bolts are 22' lbs of torque |
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| Author: | Function > Form [ Fri Dec 04, 2015 10:32 am ] |
| Post subject: | Re: Vibration |
Agree, I should have added this. Thanks jrsavoie. |
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| Author: | Tog [ Fri Dec 18, 2015 11:36 pm ] |
| Post subject: | Re: Vibration |
Ok well not the front shaft removed it and took it for a drive the shudder/ vibration is still there. |
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| Author: | Liberator09 [ Mon Jun 20, 2016 1:51 am ] |
| Post subject: | Re: Vibration |
You ever figure this out ? |
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| Author: | Liberator09 [ Mon Jun 20, 2016 1:52 am ] |
| Post subject: | Re: Vibration |
You ever figure this out ? |
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| Author: | Tog [ Mon Jun 20, 2016 2:59 am ] |
| Post subject: | Re: Vibration |
Yes it ended up being the tc unfortunately when the tc failed it also took the box with it. Lost 3rd gear only just got it reinstalled after rebuild all is good now Sent from my SM-G930F using Tapatalk |
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| Author: | cobalt72 [ Mon Jun 20, 2016 11:42 pm ] |
| Post subject: | Re: Vibration |
Too bad it included the box on its failure. At least its all good now. |
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| Author: | Tog [ Mon Jun 20, 2016 11:47 pm ] |
| Post subject: | Re: Vibration |
Yeah alls well that ends well Sent from my SM-G930F using Tapatalk |
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