96 ZJ trans problems - JeepForum.com
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post #1 of 4 Old 04-08-2013, 09:36 AM Thread Starter
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Join Date: Jun 2012
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96 ZJ trans problems

Not sure whats going on. Ive checked the fluid & it looks to be over full but the level is different every time I check. Is there a trick to get a correct reading?

What started this was two days ago, left a stop sign, 1-2 shift was fine. About 30-35 mph it was like it shifted to N. Revs shot up so I lift & it drops back into gear, hit the pedal & back to N. Then its fine the rest of the drive.

Trans is not slipping that I can tell. It feels like shifting to nuteral & back into gear. Im thinking low fluid but the dipstick says overfull.

Im lost, any help?

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post #2 of 4 Old 04-08-2013, 07:41 PM
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1996 ZJ 
Join Date: May 2012
Location: Yarraville
Posts: 571
You got to check the fluid when it's hot (I mean, just after about 30 mins of driving, preferrably mixed highway/suburban) and idling in neutral.
Then the level should be more or less at the same level.

If the tranny is too full it will foam the fluid and it will shift all over the place.

If your revs are shooting up at 1-2 shift chances are you have to adjust your front band. But make sure you got the fluid level right first.
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post #3 of 4 Old 04-09-2013, 12:50 PM Thread Starter
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All shifts are nice & solid. No rev, no slip. I am getting some bubbles on the dipstick, not really foam IMHO. Shift timing is a little odd at times. Ill go for a drive tonight & see if I can get a consistent level.

Could overfull cause it to feel like it gets shifted into neutral?
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post #4 of 4 Old 05-11-2013, 12:18 PM Thread Starter
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Finally figured it out. Trans output speed sensor was not connected good/corroded. Cleaned it up, plugged it back in good & all is well.
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