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Unread 02-09-2013, 08:18 PM   #1
Gunnrunner99
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1993 YJ Wrangler 
 
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AX 15 troubles

Darn thing wont stay in 4th gear when i apply gas even if I hold I it in gear. Has anyone had similar problems? Thanks for any suggestions.

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Unread 02-09-2013, 08:28 PM   #2
jhartley
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Maybe a bad syncronizer
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Unread 02-09-2013, 10:03 PM   #3
Mean Max
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Yes, 4th gear syncro is my bet.

Time to rebuild.

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Unread 02-09-2013, 10:07 PM   #4
austin6137
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Don't use 4th gear
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Unread 02-10-2013, 08:20 AM   #5
JeeperDon
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I can't imagine a syncro making it go out of gear, since they only get paid to help you get into gear. You might try a fluid change to some good stuff. I know years ago mine was acting up, I swapped in synthetic fluid, and over a few weeks it cleaned up nicely, lasted years afterword.
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Unread 02-10-2013, 09:21 AM   #6
jhartley
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What would cause it to jump out of gear. The shift ring has to get past the syncronizer to engage the gear, the ring may not be toutching the gear and the syncronizer may be kicking it back out. I hope it's something simple as an oil change, it would be the first thing I would try too
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Unread 02-11-2013, 05:41 PM   #7
Gunnrunner99
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Thanks for replying guys.First let me give the paticulars. Tranny has been freshly rebuilt. Not by a professional I have to admit I did it. Followed Moses Ludel 's step by step. New synchros new keys new 5th gear. outside of 4th performs flawless. I must have missed something didn't spit 4th prior to my rebuild. I am stumped. Does anybody have an idea what I missed or messed up? Thanks Fellas.
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Unread 02-11-2013, 05:55 PM   #8
Gunnrunner99
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Just a quick question. Will a faulty ECM cause occasional miss fire.ometimes it purrs then out of the blue will miss bad. Kinda smooths out at about 1500 rpm. Damn thing is like being in love a beautiful woman that just happens to be crazy as hell. You keep thinking i can love her all better.
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Unread 02-11-2013, 08:58 PM   #9
jhartley
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I used Moses's guide too my 2nd gear is a little stiff I'm hoping it will get better as the weather gets warmer has it done this since you installed the tranny. May remove the shift boot and see if it stays in 4th
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Unread 02-11-2013, 09:00 PM   #10
jhartley
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Do you have any codes
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