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2000 Jeep Wrangler Strange Whining noise

Tiny
BCALD44
  • MEMBER
  • 2000 JEEP WRANGLER
  • 4 CYL
  • 4WD
  • MANUAL
  • 184,000 MILES
I replaced the clutch about 8 weeks ago. After about 2 weeks the whining noise started when I am over about 20mph. Since then the transmission went south on me and I replaced it. The noise hasn't stopped except in warmer weather it did go away for a period of time. When I replace dthe tranny, I noticed the pilot bearing had been knocked out of the flywheel. I assumed it was from the transmissin when the counter gear and the second gear on the input shaft skipped and lost alltheir teeth. What could be the problem this time? I've nly been driving it with the other tranny for about 2 weeks.
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Monday, March 10th, 2008 AT 7:51 AM

9 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Sounds more like the pilot was knocked out when the trans was installed. DId you get a junk yard trans? Did you use the proper oil in it? Make the noise regardless of what gear it is in?
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Tuesday, March 11th, 2008 AT 7:55 AM
Tiny
BCALD44
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Thats what I was afraid of! Yes the tranny was a junkyard one. Yes the proper fluids were used. Guess I need to pull it back out and check it. And replace the pilot if needed. Thanks.
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Tuesday, March 11th, 2008 AT 9:00 AM
Tiny
2CARPRO JACK
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Let me know what you find in there
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Tuesday, March 11th, 2008 AT 11:03 AM
Tiny
BCALD44
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  • 11 POSTS
Got the tranny off this week. Sure enough the pilot bearing had been knocked out. Bought a new one, installed it and put the tranny back in. Now a new problem has arisen. The car wont go into gear. I engage the clutch and all gears are difficult to go into and reverse is absolutly impossible.
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Friday, March 21st, 2008 AT 7:49 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Hate to say it, but sounds like the clutch disc got bent when reinstalling the trans or when you tightened down the pressure plate. The plate must be tightened down a little bit at a time, in a crossing pattern. When plugging in the gear box, the trans must never be forced in or left hanging until tightened up, this bends the disc and then they dont go into gear
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Saturday, March 22nd, 2008 AT 8:39 AM
Tiny
BCALD44
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OK. The tranny was fully supported until all bolts were torqued to specsand the transfer case was bolted on and the remaining supports were installed. Before I removed the tranny to check and change the pilot bearing, I noticed a vibration that got slightly more noticeable just before the tranny was removed. Also, looking back, the shifting got slightly stiffer before I rmoved the tranny. Could the pilot bearing being popped out and the vehicle driven cause a warping of the pressure plate? I'm just trying to figure out how this could have happened. The clutch set is only 8 weeks old! Should I replace the whole sytem (minus the pilot) or just the pressure plate?
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Saturday, March 22nd, 2008 AT 1:57 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Hard to say without being able to spin the disc to see if it has a warp in it, usually the disc and not the pressure plate that is the problem. Sometimes if th einput shaft can move around (no pilot) then it damages the disc. Does the pedal have a little free-play in it before you feel the clutch? I think I would try a new plate and disc, just to be sure, pulling a 4x4 trans isnt the funnest thing in the world
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Sunday, March 23rd, 2008 AT 7:56 AM
Tiny
BCALD44
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To be sure it isn't fun! Seems I'm getting pretty good at it though. All parts are now ordered and I'm just wiating for them now. Hopefully this ends the nightmare once and for all! Thanks for your help!
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Sunday, March 23rd, 2008 AT 1:05 PM
Tiny
BCALD44
  • MEMBER
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Just to give you an update,
I replaced the clutch, slave cylinder (I discovered a leak) and bled the system. Bad new is the jeep still won't go into gear! When the engine is running and I depress the clutch pedal, I can hear a slight whining in the bell housing. Could it be that the slave cylinder isn't pushing the clutch fork forward enough so that the throwout bearing (also new) isn't engaging the cluth properly? I looked and can't find and adjustment to the pedal. I'm at a loss now!
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Thursday, April 3rd, 2008 AT 9:11 PM

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