'rock crawling go-cart' or something - Page 298 - JeepForum.com

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post #4456 of 6546 Old 12-19-2012, 12:30 PM
Bennettj13
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Easier than tearing the transfer case apart... Pull the front shaft and drive in 4wd, see if the noise changes.


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post #4457 of 6546 Old 12-19-2012, 01:26 PM Thread Starter
Imped
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Quote:
Originally Posted by AngryTJ View Post
off topic but had a question when looking at your custom rear frame. Did you completely remove the evap canister in the passenger side wheel well? Or is it just modified and tucked up in there.
The canister hasn't been there for a long time. It was bypassed. The remaining assembly is tucked under the tub behind the axle.
Quote:
Originally Posted by Bennettj13 View Post
Easier than tearing the transfer case apart... Pull the front shaft and drive in 4wd, see if the noise changes.
I did that already a long time ago. If I remember right, there was no change but I should do it again just to refresh my memory. That completely removes the axle from being a possibility if that's the case. If it's the t-case input bearing or the trans output bearing it doesn't matter if I'm in 2 or 4wd, they're getting loaded either way. And I've got to pull my t-case anyway so it's not a big deal.

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post #4458 of 6546 Old 12-19-2012, 03:39 PM
Bennettj13
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Nm, I misread.

::SELLING HALF OF MY JEEP::

http://www.jeepforum.com/forum/f33/?uid=152304

Rear Currie 4" coils - 190 shipped. (They've been sitting in the back of my Jeep for mock up but won't work out for me.)

Hornblasters Shocker S4 horn set with some extras $210 shipped. (It is not OBA, just an accessory for OBA)

"LCOG" isn't cheap and it certainly isn't easy. If you think so, you are doing it wrong. If you aren't willing to put in the effort, don't label your build "LCOG". You are just a cheap ******bag.

IndyORV- Dick and fart jokes, titties, throttle, flops, beer, tater balls, and good times.
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post #4459 of 6546 Old 12-19-2012, 03:59 PM
aparke4
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just read through a lot of this thread- the end result is awesome. I am moving in a similar direction with my Tj- nice work!
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post #4460 of 6546 Old 12-19-2012, 10:13 PM
clintrivera
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I had a whine like that. Turned out to be a loose pinon. Replaced the pinon bearings and all is good again.
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post #4461 of 6546 Old 12-20-2012, 06:05 AM Thread Starter
Imped
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Quote:
Originally Posted by clintrivera View Post
I had a whine like that. Turned out to be a loose pinon. Replaced the pinon bearings and all is good again.
Pinion is fine and as far as I can tell, so are the bearings. This whine has existed since before that 44 went in. I'm planning on pulling the rear shaft and going for a short spin tomorrow to remove the rear axle from the picture.

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post #4462 of 6546 Old 12-20-2012, 08:06 AM
jermeyg
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Yeah more than likely its your input bearing on the transfer case. It's not that hard to change out. Just make sure and get the right size bearing and a good quality one!
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post #4463 of 6546 Old 12-20-2012, 08:27 AM
clintrivera
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The easy way to find out is the put the Jeep on jack stands and have someone put it in gear while you are underneath poking around (carefully) with a mechanic's stethoscope (or or a long screwdriver to your ear) to find where the noise is coming from. The drive shafts are going to transmit the sound all over the place, so where it sounds like it's coming from isn't necessarily where it is coming from. My bad rear pinion bearing sounded for sure like it was coming from the transmission.
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post #4464 of 6546 Old 12-20-2012, 08:38 AM Thread Starter
Imped
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Quote:
Originally Posted by jermeyg View Post
Yeah more than likely its your input bearing on the transfer case. It's not that hard to change out. Just make sure and get the right size bearing and a good quality one!
I'm just gonna use my buddy's front case half for free. He upgraded to a 241 so he's got a nice, clean 231 just sitting there. That bearing is $80 alone.
Quote:
Originally Posted by clintrivera View Post
The easy way to find out is the put the Jeep on jack stands and have someone put it in gear while you are underneath poking around (carefully) with a mechanic's stethoscope (or or a long screwdriver to your ear) to find where the noise is coming from. The drive shafts are going to transmit the sound all over the place, so where it sounds like it's coming from isn't necessarily where it is coming from. My bad rear pinion bearing sounded for sure like it was coming from the transmission.
Did that last year. I literally couldn't tell where it was coming from and God knows I tried. I laid under there forever trying to determine where the noise was originating but I couldn't come up with a proven spot for the life of me.

I do remember it was silent with the tranny in gear and t-case in neutral. I could only get the noise under load. I don't remember other specifics so I need to do it again.

OlllllllO
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post #4465 of 6546 Old 12-20-2012, 08:47 AM
clintrivera
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Did you use a mechanics stethoscope? If it's an input or output bearing, you can put the end of it very close to the bearing and hear exactly what's going on. Sometimes a screwdriver to the ear doesn't work great, plus the stethoscope blocks out all the "radiated" noise and just focuses on what the end is touching.
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post #4466 of 6546 Old 12-20-2012, 08:52 AM
Sundowner
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Quote:
Originally Posted by clintrivera View Post
The drive shafts are going to transmit the sound all over the place, so where it sounds like it's coming from isn't necessarily where it is coming from. My bad rear pinion bearing sounded for sure like it was coming from the transmission.
That's what was happening with the few bad pinion bearings and R/P noises that I've been a party to; that driveshaft acted like a tuning fork and the noises were coming from weird places based on...well, I don't know. The only thing that seemed common was that they didn't seem like they were coming from the rear end.

Quote:
Originally Posted by Imped View Post
Did that last year. I literally couldn't tell where it was coming from and God knows I tried. I laid under there forever trying to determine where the noise was originating but I couldn't come up with a proven spot for the life of me. I do remember it was silent with the tranny in gear and t-case in neutral. I could only get the noise under load. I don't remember other specifics so I need to do it again.
I'll be interested to see what you come up with. If you've done all of these diagnostics already, then I would doubt the rear end as well.

If it's worth doing, then it's worth overdoing.

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post #4467 of 6546 Old 12-21-2012, 06:46 AM Thread Starter
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Started to get some snow last night.


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post #4468 of 6546 Old 12-21-2012, 10:41 AM
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Cool shot! The rig is looking good

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post #4469 of 6546 Old 12-21-2012, 02:23 PM
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Thanks for the washer reservoir find. Mine works great!

As far as confessions go, I've been stalking your thread for a while now.

Love it.
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post #4470 of 6546 Old 12-21-2012, 03:54 PM
Silver_Sport
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Quote:
Originally Posted by WeldedUp
Thanks for the washer reservoir find. Mine works great!

As far as confessions go, I've been stalking your thread for a while now.

Love it.
x2. Awesome Jeep!

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