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Old 07-31-2013, 06:54 AM   #1
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Tranny/ Clutch problem?

I have a 2000 TJ 5spd 4.0, i have replaced clutch, slave cylinder but i still had a little grinding into 2nd, as well as downshifting into 2nd. Now it grinds down shifting into 3rd as well as 1st. I would really love to know whats causing this before it gets too bad. Any help would be greatly appreciated. Thanks and Getcha Jeep on!

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Old 07-31-2013, 10:25 PM   #2
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Sounds like you may need the clutch master cylinder too. Gear grinding is usually due to incomplete clutch disengagement. With hydraulic systems it's either leaks (which it sounds like you have fixed) or insufficient fluid movement. That is usually due to an internal leak in the master cylinder. We just did one on a friends jeep about a month ago. Was one line nut, one clevis pin under the dash and two firewall nuts, pull the old and replace, reverse disassembly, bleed and you should be back in business...

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Old 07-31-2013, 11:25 PM   #3
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I thought that that might be what it is. Someone also told me it might be syncros. It does sound like somthings still moving around when in nuetral
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Old 08-01-2013, 09:02 AM   #4
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Could be syncros but I kinda doubt it. There is a syncro set for each gear set and it's pretty rare for all of them to fail at the same time. Having said that, have you checked your gear oil level in the transmission? If it is low or contaminated (water, dirt or even something other than the specified gear oil) that can be a source of both noise and grinding during shifts. Might be worth a drain and fresh fill. I prefer Redline gear lubes but there are many suitable lubes...
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Old 08-01-2013, 09:52 AM   #5
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Thanks alot im gonna try new fluid first then the master. Thanks for the help
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Old 08-01-2013, 04:31 PM   #6
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Good luck... there is one thing you can try as a diagnostic. Next time you drive, try double or triple clutching. Ie quickly pump the clutch pedal 2 or 3 times before you shift. If you don't get any grinding that is pretty clear evidence that your master cylinder is leaking internally. The quick pumping can push a little extra fluid down to the slave cylinder.

Over all have fun... if you're not fixen' you haven't really been wheelin'.....
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Old 08-01-2013, 05:00 PM   #7
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Thanks again

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