Trouble shifting into 2nd and 4th -
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Unread 11-08-2010, 12:52 PM   #1
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Join Date: May 2009
Location: illinois
Posts: 2
Trouble shifting into 2nd and 4th

99 Wrangler Sahara (4L engine with AX15 Trans)

174,xxx miles

Just replaced the trans with a rebuilt one from a reputable shop, along with new clutch kit.

- Sometimes 2nd and 4th will go in ok
- Other times, it'll grind when trying to shift into them (with fully pressed in clutch)
- and even other times, itll go in, but I wont know it. (Feels muddy - I put it in but I have to keep pulling untill I feel the shifter not moving anymore, and I can't tell it actually engauged untill I let go of the clutch and feel if there is load on it)

1,3,and 5 Feel perfect, go in fine, and I can tell it shifted into gear (reverse mostly fine)

I can also hear a new sound during idle, when no gear is enguaged and clutch is not pressed in. (When clutch is pressed sound goes away)
- I think that this is unrellated to the main issue, but I figured I would throw it in (Heard this is normal on all wranglers, expecially ones newer, or with newer trans parts, like mine)

My ideas so far,

- 1. Replace the fluid in the AX15 with synchromesh (Currenly used PX3 Brand gear oil from O'Rielys - compatible, but i hear nothing but good about synchromesh / redline here) - Dont think this will fix everyhing, becuase 1,3,and 5 are perfect

- 2. Clutch master may need to be bled (What are some symptoms that help me determine if this needs to be done?)

- 3. Issue with the shifter - Any idea what to look for here?


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Unread 11-08-2010, 12:58 PM   #2
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1998 TJ Wrangler 
Join Date: Aug 2006
Location: Charlottesville, Va
Posts: 27,722
Take it back to the shop if there's a warranty on the work.A shifter issue would only be because of a BL or t case drop.The Redline MT-90 won't help.
p.s. Fill out your profile for better answers in the future.
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Unread 11-08-2010, 05:17 PM   #3
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Join Date: Mar 2007
Location: chicago
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Thanks, I'm trying to avoid removal of the trans again, this is my DD and the shop that built the trans is about 3 hours each way.

Anyone else have input on any of my questions?
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Unread 11-08-2010, 05:22 PM   #4
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Apparently I remembered my old accounts password too
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2nd gear , 4th gear , ax15 , grinding , transmission
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