post #1 of Old 11-15-2012, 02:13 PM Thread Starter
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1983 CJ7 
Join Date: Nov 2012
Location: Kansas city
Posts: 5
Dana 300 lockup problem

I have an 83 cj-7. Just had transmission and transfer case rebuilt. Re installed and drove about 35 feet and rear end locked up. Had it in two high. It will drive in four low only. None of the high gears will work. any ideas...please help ready to roll her in the street and set her on fire...thanks....Phil

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post #2 of Old 11-15-2012, 02:27 PM
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1986 CJ7 
Join Date: Jun 2004
Location: Monroe
Posts: 1,606
Have you looked at the t-case linkage and made sure it's operating the shift rods correctly? Maybe you need to talk to whoever rebuilt the t-case.

1986 CJ7, 4.2 w/4.0 head, TFI-HEI hybrid ignition, Clifford manifold w/Holley 390 w/cold air intake, OBA, 4.5" lift, Woody CV shaft and Tattons in front, 4.10 gears - lunchbox in front, Truetrac in the back, twin-sticked, blower upgrade for running topless, trying to keep it simple.

It's just a Jeep, and if you don't wheel it once in a while, it's not even that.
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post #3 of Old 11-15-2012, 06:41 PM Thread Starter
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1983 CJ7 
Join Date: Nov 2012
Location: Kansas city
Posts: 5
I think the linkage is working. It will move through the gears. And dude who built it has moved back to I'm stuck..
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post #4 of Old 11-16-2012, 04:04 AM
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1985 CJ7 
Join Date: Jun 2008
Location: Chicago area
Posts: 3,533
The case is pretty simple and very hard to mess up a rebuild. I would look hard at your shiffter and linkage and see if there is a problem there.

If eveything looks good there drain the oil and remove the bottom inspection plate and check to see that the two set screws are on the shift forks and tight in thier respective holes. Chances are that one of them is loose and needs to be tightened. Not a big deal.
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