Possible Throwout/Pilot Bearing Noise - Jeep Wrangler Forum
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Old 01-06-2013, 07:19 PM   #1
Join Date: Jan 2013
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Possible Throwout/Pilot Bearing Noise

Having a lot of problem figuring out what this noise is- So I figured I'd give the forum a try. A shortage of good mechanics in town that don't want to take all my money! Hope someone can help or has had the same problem/

Details about the Jeep:
2001 Jeep TJ Sport
NV3550 Transmission
Pilot/Throwout Bearing Replaced 40K Miles Ago
Clutch Replaced 70K Miles Ago with Centerforce Stage 1
TJ has 175K on her

Details about the noise:
- Coming from the Bell Housing
- Intermittent- Normally apparent after Jeep has warmed up for about 15 minutes
-Present with the Clutch in and Out

Here's a link to the video of the noise: 2001 Jeep Wrangler Possible Pilot Bearing Noise - YouTube

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Old 01-06-2013, 07:20 PM   #2
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Old 01-06-2013, 09:37 PM   #3
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Couldn't make out much on the video however my son's 00 was making terrible noises. Clutch in or out, we were moderate vibration and literally damaged 2 crank position sensors. On closer inspection, when clutch was pushed, motor and trans would separate. Turns out 3 out of 4 bellhousing bolts were missing. Replaced and all is good. Not saying this is you're problem but is easy to check. It was driving me nuts trying to troubleshoot.
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Old 01-06-2013, 09:48 PM   #4
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Thanks! I appreciate the reply. I'll get under there tomorrow and double check it the bell housing bolts.

My hunch is that it's in the clutch system and I'm a little intimidated about dropping the tranny on my own..
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Old 01-07-2013, 01:43 PM   #5
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Usually the Release bearing ("throw-out" bearing) makes more noise when the clutch is depressed if it's failing. And the pilot bearing makes less noise or stops the noise when the clutch is depressed. Hope this helps a little sounds like the clutch plate but maybe upload a vid or sound clip of the noise if you can,
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