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Unread 10-09-2008, 08:51 AM   #1
whitie_08
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1991 YJ Wrangler 
 
Join Date: Sep 2008
Location: Georgia
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lift/t-case question

i saw the thread about vibs, and got to thinking. i dont exactly know what the transfer case is, is it the transmission shifter, the 4x4 shifter, both or what? so i believe if i understood this, then i would also be able to understand what everyone means by the vibs after the lift, and the tc drop kits etc.

my lift is going on saturday, my cousin [mechanic] is putting it on, and ill be there to do the b!+(h work. So i just want to understand all this stuff.

thanks

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Unread 10-09-2008, 09:18 AM   #2
MLJeeper
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the transfer case is the aluminum box the drive shaft is going into, it connects to the tranny. When we say transfer case drop, we really mean dropping the entire transmission/tc skid plate. Sounds hard but its very easy. 6 bolts, 3 each side. TC drop kit will have a spacer of some type, could be rail, could be pucks and longer bolts. Put a floor jack under the center of the skid plate for the tranny/tc and loosen all the bolts. lower it down the distance of your tc drop, probably 1 ", put the spacer in and the longer bolts and tighten up.
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Any video of the sound?
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Unread 10-09-2008, 09:25 AM   #3
whitie_08
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thank you very much.
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Unread 10-09-2008, 11:09 AM   #4
jeepdude1987
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You would be better off with a Slip yoke eliminator though. And depending on your lift you may end up really wanting one it you go off-roading much. I would suggest you read the FAQ and maybe some of the other stickies.
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[COLOR="Red"]1987 Wrangler YJ RED[/COLOR] 4.2 5-speed, NP231, BFG 31x10.5R15 AT/KO on 15x8 gambler wheels.
[COLOR="Yellow"]Caution!!! Under construction!!!!!! Caution!!![/COLOR]
Finishing a 4.0 Cyl.head swap, Just got an AX-15 NP231J combo to replace the busted t-case and craptacular BA10/5. Adding Nutter bypass. Probably more to come before it is back as a DD!
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Unread 10-09-2008, 11:12 AM   #5
brewer
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just to clarify - when I look at the manual for removing the T-case - it states to drain fluid and put case in neutral before removing.

From how I read this, I am merely disconnecting the tranny / t-case from the flywheel, and thus not needing to drain fluid / place in neutral?

Or is the case drop just a method of dropping that big metal skid plate that the t-case is attached to?
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Unread 10-09-2008, 11:12 AM   #6
brewer
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ps - doing my lift install tonight after school... got my nice big shiny new 33s yesterday and they are pirty :P
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Unread 10-09-2008, 11:38 AM   #7
jeepdude1987
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Your just lowering the skid so that your t-case is closer to the original height above the rear axle pinion.
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[COLOR="Red"]1987 Wrangler YJ RED[/COLOR] 4.2 5-speed, NP231, BFG 31x10.5R15 AT/KO on 15x8 gambler wheels.
[COLOR="Yellow"]Caution!!! Under construction!!!!!! Caution!!![/COLOR]
Finishing a 4.0 Cyl.head swap, Just got an AX-15 NP231J combo to replace the busted t-case and craptacular BA10/5. Adding Nutter bypass. Probably more to come before it is back as a DD!
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Unread 10-09-2008, 11:41 AM   #8
brewer
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sweet - thanks
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Unread 10-09-2008, 12:26 PM   #9
bigsquat
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brewer, its good that your asking questions and trying to gain knowledge before u jump in.We are all in different stages of or jeep journey. And some day you will be giving advice to some other young apprentice.Good luck and enjoy!
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