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Old 01-17-2011, 12:15 PM   #1
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High Pitch whine on Cluch Press/Clutch Ride?

Hey all, I have a 2004 Wrangler X (4.0) and I'm hearing a weird high pitch whine that doesn't sound quite like what I used to hear on my YJ (I had a 95 Sahara) when I had transmission problems.
Occasionally (usually most frequently right when it starts up in cold weather,) I hear a high pitch whine when either A) Push the clutch in to switch gears or B) let off on the accelerator (and the flywheel engages to maintain revs,) so I'm thinking a thrust bearing- am I out of my mind? I have 82,000 miles and I tend to be pretty gentle on the transmission (I rarely shift above 2750RPM) but I wouldnt be surprised if it was a transmission issue, I'm still on my first clutch.

I've helped a buddy replace his TJ Clutch, but I've never done it myself- can you drop the transfer case and just slip the new assembly in? I'd really like to not drop 600$ on a new clutch install if i can just buy the assembly for 200$ and sacrifice a weekend doing it.

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Old 01-17-2011, 12:20 PM   #2
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Have you checked the fluid levels in your tranny and transfer case.

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Old 01-17-2011, 12:32 PM   #3
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I have, I wish it was that simple
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Old 01-17-2011, 12:41 PM   #4
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Man, I gotta quit driving so rough, I rarely shift below 3500 rpm.
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Old 01-17-2011, 12:51 PM   #5
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Have you ever hunted small game? heres where Im going with this...

A squirel makes a chattering type squeek sound. Its a squeek but kind of a chattery almost hollow sounding punch behind it. The throw out bearing will sound a lot like a squirrel chattering only it can be a higher pitch. Its the part that pushes on the forks of the clutch plates. When you start to hear them, its a matter of time before it will fail. When I lost the one in my Ranger, it started that high pitch chattering when I would let the clutch out. A month or two later, I was at a stop light and the throw out bearing pushed right off the end of the shaft. Clutch fluid sprayed all over in there and I was sitting in a cloud of white smoke in the left turn lane in a constant Nuetral.
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Old 01-17-2011, 12:56 PM   #6
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Quote:
Originally Posted by msmith1172 View Post
I've helped a buddy replace his TJ Clutch, but I've never done it myself- can you drop the transfer case and just slip the new assembly in? I'd really like to not drop 600$ on a new clutch install if i can just buy the assembly for 200$ and sacrifice a weekend doing it.
Changing a clutch is not that hard. Its not the easiest thing to do either. If you have a freind who has done it before, ask him/her to help. If you both are mechanically inclined and have a couple floor jacks, jack stands/ramps (depending on height of vehicle), torque wrenches, and an awesome set of hand tools, you should be fine. You'll have to drop more than the transfer case. Especially since it is in front of the tranny. Here's a good read on it.

1997 Jeep TJ Clutch Replacement
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Old 01-17-2011, 04:38 PM   #7
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That symptom sounds exactly like a bad throwout bearing. That particular bearing only spins when you are stepping down on the clutch pedal. If it does turn out to be a bad throwout bearing, replace the clutch at the same time since the transmission will be out anyway.
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Old 01-17-2011, 04:49 PM   #8
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If the fluids are good. It is more than likely the throw out bearing. You will have to drop the tranny and transfer case. You will need a torque wrench and clutch alignment tool and a good set of hand tools. I would definetly replace the pressure plate and clutch disc while in there. You can do this in a day easily.

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