np231 wont go into 4 lo. - JeepForum.com
 
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post #1 of 3 Old 06-15-2014, 12:56 PM Thread Starter
dirtymissouri
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1995 ZJ 
 
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Posts: 95
np231 wont go into 4 lo.

Title says all.. she won't go to 4 lo. It's not my linkage, that's not even connected since my AX15/231 swap in a ZJ. After takin her out wheel in first time since the swap, 4hi works great everyrhings nice and tight. I was goin into some heavy stuff so I hopped out to hit 4 lo and when I popped it in 4lo it acted like it was in neutral with an occaisional grinding noise as if the shift fork isn't sliding all the way over. Could I have forgotten to put something back in when I replaced the chain? Or does this seem like a bent/broken fork? On the road in 2wd when I hit a bump or high rpm it makes the same noise like its trying to shift into 4 lo. The fluid is not old enough to have any noticeable discoloration. Any body got any input before I crack this sucker open?

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post #2 of 3 Old 06-17-2014, 09:53 AM Thread Starter
dirtymissouri
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Nobody????
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post #3 of 3 Old 06-17-2014, 01:38 PM
cruiser54
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Here ya go. Assuming your trans and engine mounts are good.

https://www.youtube.com/watch?v=BHp2hdvZ4oY

If you own a Renix Jeep, you'll want to check this out.

An index to over 30 write-ups can be found in the link below

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My Jeep Technical Photos

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