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Old 05-24-2012, 09:27 PM   #1
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Questions about Clutch, Tranny, or Master/Slave Cylinders

When I shift gears I hear a grinding noise. Only when I sift slowly I will not hear it. This happens mostly from first to second. I have been told that it is the clutch but I have owned manuals before and there is no slipping. I have also been told it is the tranny, but as I have stated if I shift slowly I do not hear it. Finally I have also been told that I am losing pressure in my clutch cylinders.

Another problem I have had is when I came to a stop I put it in neutral I heard it spin up and I could not engage any gear. I then had to turn off my engine and it was fine. This has happened three times.

If anyone has had any probs please chime in and help. I was told that with the tranny spinning up to where I could not engage in any gears is because of a lack of pressure keeping the clutch pushed out.

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Old 05-25-2012, 06:03 AM   #2
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I'm a pretty new mechanic to jeeps, so take what I say with a grain of salt, but it sounds like your pressure plate is not functioning properly...as to why, again could be a number of issues. I would drop the tranny and have a look around. The slave cylinder disconnects with only two bolts on the side of you tranny, fairly easy to get to without dropping the whole tranny. As for an internal transmission problem, well I'm not yet qualified to diagnose anything there.

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Old 05-25-2012, 07:02 AM   #3
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When did you last change out your transmission fluid? Pretty easy to replace. I would start there.
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Old 05-25-2012, 10:53 AM   #4
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We checked the tranny fluid and it looks and smells brand new. Also could the hydraulic system be making the pressure plate go bad?
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Old 05-25-2012, 10:55 AM   #5
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Even though we checked the fluid and it looks an smells new. Should we still change it?
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1998 Wrangler Sahara Moss Green and a work in progress!

Mods so far: Zone 3" Lift, Zone Nitro Shocks, JKS Front Adjustable Track-bar, JKS Disco's, 31"x10.5 AT, Cragar Soft 8's, OR-FAB Front Stubby Stinger Bumper, HighRock 4x4 Rear Bumper.
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Old 05-25-2012, 10:56 AM   #6
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IMO I would still change it if it looks ok. Very easy place to start.
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Old 06-11-2012, 07:10 PM   #7
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Quote:
Originally Posted by Salem50001 View Post
When I shift gears I hear a grinding noise. Only when I sift slowly I will not hear it. This happens mostly from first to second. I have been told that it is the clutch but I have owned manuals before and there is no slipping. I have also been told it is the tranny, but as I have stated if I shift slowly I do not hear it. Finally I have also been told that I am losing pressure in my clutch cylinders.

Another problem I have had is when I came to a stop I put it in neutral I heard it spin up and I could not engage any gear. I then had to turn off my engine and it was fine. This has happened three times.

If anyone has had any probs please chime in and help. I was told that with the tranny spinning up to where I could not engage in any gears is because of a lack of pressure keeping the clutch pushed out.

I'm just curious, Is the problem solved?
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Old 06-11-2012, 07:35 PM   #8
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Quote:
Originally Posted by SIXTI

I'm just curious, Is the problem solved?
Not at the moment. I did run it by 3 shops and they all said it was the sycros gears going bad. So I will be getting a rebuilt tranny and I will do the swap myself.

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Mods so far: Zone 3" Lift, Zone Nitro Shocks, JKS Front Adjustable Track-bar, JKS Disco's, 31"x10.5 AT, Cragar Soft 8's, OR-FAB Front Stubby Stinger Bumper, HighRock 4x4 Rear Bumper.
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