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post #1 of 5 Old 12-05-2019, 06:08 AM Thread Starter
Amos_J
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trans Issue need advise

hey could use some advise, MY 91 YJ is not happy right now, manual 5 speed trans was acting up so i took it and had a new clutch pressure plate throw out barring and slave cylinder put in. well it never fixed the problem, so i changed the fluid and it was pretty bad to say the least, creamy looking and a lot of brass shavings very fine shaving, after all that, still same problem,, its hanging up in gear 3rd and 4th mainly, when i'm coming out of those gears, sometimes it does not want to come out it almost feels like it wants to hold it and not release, also sometimes with it in neutral position and when i let the clutch out i its still partially in gear still,, very odd

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post #2 of 5 Old 12-06-2019, 05:57 AM Thread Starter
Amos_J
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I remember now why i left this site<<<<57 views and not one person has any advise. Lol
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post #3 of 5 Old 12-06-2019, 09:27 AM
Michaelj51
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Not an expert... but it sounds a bit like your syncros are shot and it's time for a new tranny or rebuild. That would explain the symptoms and the brass shavings.
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post #4 of 5 Old 12-07-2019, 01:20 AM
mukluk
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With the "creamy" oil and shavings it's quite possible the transmission may have internal damage or corrosion causing the hard shift problem. As mentioned, you may have bad synchros as evidenced by the brass shavings, but with the problem being limited to 3rd and 4th gear you may alternatively have a bad 3/4 shift fork or sticking 3/4 shift rail.

For future YJ-specific questions, you'll likely find you get better response in the YJ tech subforum instead of asking in the general subforums.

2000 TJ SE
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post #5 of 5 Old 12-11-2019, 02:06 PM
Boojo35
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Quote:
I remember now why i left this site<<<<57 views and not one person has any advise. Lol
Because on the forum not one of these 57 viewers have ever worked on a manual trans..... Maybe????

Quote:
With the "creamy" oil and shavings it's quite possible the transmission may have internal damage or corrosion causing the hard shift problem. As mentioned, you may have bad synchros as evidenced by the brass shavings, but with the problem being limited to 3rd and 4th gear you may alternatively have a bad 3/4 shift fork or sticking 3/4 shift rail.

The gear you ride the most in going down the road is the one that is most susceptible to weird wear. Why? Because people use the manual trans shifter as a hand rest and constantly provide preload or wear pressure buy their hand pressure on the shifter. Loading the shift mechanisms under load. This commonly causes shift fork wear. Shift fork bushings if applicable wear. or whatever you want to call the piece where the shift fork rides in the groove that moves the synchros.

Creamy oil is really bad. Stuff wears out exponentially with it.

If you cannot fix it with a hammer then it has to be an electrical problem.
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