How hard is it to remove NP231 T-case??? -
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Go Back > Models > Jeep Wrangler Forums > YJ Wrangler Technical Forum > How hard is it to remove NP231 T-case???

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Unread 02-05-2002, 02:01 PM   #1
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Join Date: Nov 2001
Location: new orleans, la
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How hard is it to remove NP231 T-case???

Is this a task for more than one person?

What tools are needed, besides the obvious (wrenches, jacks, etc.)?

'97 ZJ, 4.0L, Gibson Cat-back system, Daily Driver
'95 YJ, 4.0L, 3.5" BDS suspension lift, Boomerang Shackles, BDS Shocks, 33x12.50 TSL's, Lock-Rite in rear, No-Slip up front, Posi-lok, Warn XD9000i winch, and a ton of dried Mississippi mud!
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Unread 02-05-2002, 04:35 PM   #2
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Location: Everett, WA
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Its not hard. An extra hand is helpful just to lower the T-case as it will be above your head. Otherwise, support tranny and remove skid plate. Remove both driveshafts (leave the slip yoke in or drain the oil first)Remove the shifter assembly (3 bolts as I recall) unplug the vacumn switch plug and speedometer cable. Remove the nuts from the approx. 10 studs that hold the tcase to the tranny. Slide aft and lower. No special tools needed other than jack stands and box wrenches (metric)
Good luck and email me if you have any questions.
Good Luck
'91 YJ, 4.0L 5sp, Atlas II, RE SOA + 2"BDS, 35" Explorer Xterrains, ARB's & 4.56 gears, WARN 9000i
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Unread 02-05-2002, 06:31 PM   #3
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As long as you don't have any problems with the mounting studs fusing to the trasmission case like mine did, it'll be a easy job.
1992 YJ, 2.5L 4-banger, 2" Lift, 31x10.5 BFG Mud Terrain, K&N Filter, Restrictor Removed, Hi-Lift, Custom bumpers, More to come...
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