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Old October 10th, 2012, 08:45 PM   #1
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Default "help!" clutch/trans issues!?

my 99 wrangler 4.0 really started acting up on the way home from work today. all of a sudden it seems like the clutch wouldn't fully disengage and i had to force/grind into first and second gear but 3rd is fine. i also noticed at a stop in neutral if i let off the clutch pedal i hear and feel a slight grinding. if i push the pedal in it goes away, let it out and the noise/vibration comes back. when slowing down in first or second it also makes a grinding vibrating sound and feel with clutch pedal both in and out. i need to fix it asap because my back up truck is also down:hahaha: heres a crappy video of the noise.
http://s177.photobucket.com/albums/w...010_195104.mp4

Last edited by sluginxlt; October 14th, 2012 at 10:22 AM.
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Old October 11th, 2012, 12:27 PM   #2
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Check the clutch fluid. Throw out bearing.
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Old October 11th, 2012, 12:36 PM   #3
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Neutral with the clutch out will sound like a can of rocks.
X2 on fluid, Slave cylinder, & TB

Or the Spring fingers on the Pressure plate have worn against the TB.
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Old October 11th, 2012, 12:42 PM   #4
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slave and or throwout bearing. possibly clutch and pressure plate too.


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Old October 11th, 2012, 02:19 PM   #5
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slave fluid was full with no leaks but i changed it yesterday anyways and that made no difference.
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Old October 11th, 2012, 02:24 PM   #6
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Quote:
Originally Posted by Paul04TJ View Post
Neutral with the clutch out will sound like a can of rocks.
X2 on fluid, Slave cylinder, & TB

Or the Spring fingers on the Pressure plate have worn against the TB.
right on the money with the sound "a can of rocks" makes that noise in neautral with clutch engaged and when slowing down. i was thinking a bad throw out bearing. the trans has to be remove to access the TB right? sorry im new to jeeps, all clutchs ect ive done are on my fords with an internal slave/TB. im just trying to be certain i have to pull the trans before i start. I already pulled the one out of my f150 twice this year so its starting to get old quick lol.
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Old October 12th, 2012, 07:15 PM   #7
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i got the trans out today and here's what i found. the throw out bearing is noisy but not seized, and the flywheel might look a little "glazed" but not really worn. could the bearing cause all the shifting problems by itself? im replacing clutch and pressure plate regardless since i have it all apart but im just wanting to make sure the trans its self isn't the problem before i reinstall it. heres a picture to show the glazed look of the pressure plate and then the flywheel

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Old October 12th, 2012, 07:16 PM   #8
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a video of the bearing noise...
http://s177.photobucket.com/albums/w...012_184127.mp4

Last edited by sluginxlt; October 12th, 2012 at 07:24 PM.
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Old October 12th, 2012, 10:33 PM   #9
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TB is toast. i bet with a new clutch kit it will be like new. I read some things on the jeep sites about turning the fly wheel.. some say the fly wheel is doomed and if you turn it it will make the clutch chatter. I would just scuff it and put it back on
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Old October 13th, 2012, 07:28 AM   #10
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Why would turning it make it chatter? If it's within spec, turn it. If you need a new one, don't buy the shit replacement parts store ones. $99 vs $250, you get what you pay for.
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Old October 13th, 2012, 07:32 AM   #11
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change the pilot bearing while you have it out.
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Old October 14th, 2012, 10:15 AM   #12
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need of urgent help with new issue, the new throw out bearing that came with the clutch kit from advance auto is loose on the trans shaft. i am assuming this is not right. another crappy video to show
http://s177.photobucket.com/albums/w...014_110708.mp4
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Old October 18th, 2012, 08:42 AM   #13
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Well my worst nightmare came true. Put it all back together With new clutch kit, slave, throwout bearing And fluid change and problems have not changed. Probably bad synchros #%@$*!!!
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Old October 18th, 2012, 08:57 AM   #14
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if you need some help figuring it out, all you have to do is say you have some decent beers. There's a bunch of guys on here that all live within 3-5 miles of your listed location, myself included.
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Old October 18th, 2012, 05:55 PM   #15
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I hope you didnt use that trow out bearing. By the way how were the springs on the clutch disc? when they get loose they can allow the disc to go a little off center and vibrate like crazy.
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Old October 18th, 2012, 05:58 PM   #16
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I didn't use that bearing andvance auto swaped it for one not from a kit, and like I said I put a new clutch, pressure plate
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Old October 18th, 2012, 06:55 PM   #17
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I got the trans out in a little over 2hours today so I'm getting.better at it. With the trans in neutral if I hold the output shaft and spin the input shaft they eventually lock up together until I spin input the opposite direction a little bit to free it up again, so at 1k rpms I'm assuming. That's what made the grinding vibration
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Old October 18th, 2012, 07:18 PM   #18
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jeeper52, how does a disk suspended on a horizontal shaft move on the vertical plane? that's called bearing failure.

drain the atf from the trans, if it has a nice metalic sheen you're going to need to throw up a wanted ad for a usable ax5.
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Old October 18th, 2012, 11:12 PM   #19
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Quote:
Originally Posted by deerebowtie View Post
jeeper52, how does a disk suspended on a horizontal shaft move on the vertical plane? that's called bearing failure.

drain the atf from the trans, if it has a nice metalic sheen you're going to need to throw up a wanted ad for a usable ax5.
It's a ax 15 behind a 4.0. I reccomend buying a few bearings,syncros,and a fsm.You can buy every single part for a a ax 15,chances are you only need a few.
I blew up reverse backing up test hill in two hi in my tj.I fixed it with $30 worth of gears from lkq ,some syncromesh,and a little ultra copper.
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Old October 19th, 2012, 06:17 AM   #20
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Anybody out there have experience rebuilding ax15s who would like to help for. Beer or some cash because I would like to learn rather than paying trans shop
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