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Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

What is the problem?

   
Old Jun 21, 2009 | 03:49 AM
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Default What is the problem?
For a while now i have been having some shifting issues. When i'm racing i have a hard time getting into 3rd gear and sometimes 4th and the shifter becomes really notchy. But when i'm driving normal it shifts fine. I was thinking i may need a rebuild but i'm not sure. Does this sound like a transmission issue or clutch hydraulics?
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Old Jun 21, 2009 | 10:05 AM
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Sounds like a 3/4 fork issue. Probably worn/broken fork pads, but could be the start of the 3/4 fork bending. Clutch/hyd issues tend to show up in all/multiple gears. Something limited to one synchro/slider/fork is usually inside the trans..

Look at it optimistically as a reason to do a full rebuild on it.. ;-)
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Old Jun 21, 2009 | 11:24 AM
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Originally Posted by 85MikeTPI
Sounds like a 3/4 fork issue. Probably worn/broken fork pads, but could be the start of the 3/4 fork bending. Clutch/hyd issues tend to show up in all/multiple gears. Something limited to one synchro/slider/fork is usually inside the trans..

Look at it optimistically as a reason to do a full rebuild on it.. ;-)
Thats what i was thinking. I was planning on rebuilding but i just want to see what others think. Thanks
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Old Jun 22, 2009 | 12:01 AM
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Bump....Any other opinions?
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Old Jun 22, 2009 | 09:10 AM
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Originally Posted by BayAreaSS
For a while now i have been having some shifting issues. When i'm racing i have a hard time getting into 3rd gear and sometimes 4th and the shifter becomes really notchy. But when i'm driving normal it shifts fine. I was thinking i may need a rebuild but i'm not sure. Does this sound like a transmission issue or clutch hydraulics?


Well, how old is the clutch? Hydraulics? Whose are they? Power levels? Mileage on tranny?
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Old Jun 23, 2009 | 12:49 AM
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Originally Posted by Gen414
Well, how old is the clutch? Hydraulics? Whose are they? Power levels? Mileage on tranny?
I have a tex oz700 with a gm slave and mc. This is all about 1 year old. The tranny has 130k on it. On motor its a little over 400hp and on the bottle its over 500hp. I don't spray very much tho.
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Old Jun 23, 2009 | 09:50 PM
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Rebuild it is
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Old Jun 24, 2009 | 12:55 AM
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I also need a rebuild because my car has the same issue it sucks to hear it grinding when attempting to shift into 3 or 4
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Old Jun 25, 2009 | 02:25 AM
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Originally Posted by ItalianoHeck
I also need a rebuild because my car has the same issue it sucks to hear it grinding when attempting to shift into 3 or 4
Mine never grinds. Just hard to hit 3rd/4th at like 6400 rpm's
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