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Old 08-24-2014, 04:55 PM   #1
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Is it possible to install SYE w/o dropping skid?

My frame has some rust on it. In the area where the control arm hole is thinner but nothing to be worried about. Otherwise I didn't find any weak spots with the frame. I flushed out as much crap as I could. I ended up pulling out about two large handfuls of rust! Then I sprayed the frame with POR-15 inside and out. I also replaced the carpet with bed liner. Broke a bolt removing each of the front seats. Now I'd like to put a lift on it. If it's possible I'd like to leave the skid plate where it is. What I don't know won't hurt me, right?! Is there a way to install a SYE without dropping the skid?

If not, has anyone with similar frame conditions had any experience dropping the skid plate. I'd like to make sure I have everything I need before I start or skip it altogether.

Thanks in advance.

'01 Wrangler, 4.0L, 5spd with Dana 44 rear.

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Old 08-24-2014, 05:13 PM   #2
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While it may somehow be technically feasible for a contortionist/masochist with rubber arms, I personally don't see how it could be done without dropping the skidplate.

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Old 08-24-2014, 05:43 PM   #3
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Thanks for the reply. I think I'll drop the skid plate first and see if I need to spend money on repairs before upgrades.
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Old 08-24-2014, 06:53 PM   #4
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If you have any thoughts that there is rust under the skid, then defiantly look at treat if needed.
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Old 08-24-2014, 07:38 PM   #5
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I thought two handfuls of rust was a lot but everywhere I checked was fine. I'm not sure what I'll find.

I found a thread and videos on replacing the nutserts if I need to. I'll cross my fingers that it won't be any worse than that if that's even needed. Then I can go back to upgrades.
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Old 08-24-2014, 08:18 PM   #6
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I don't know how you would install a slip yoke eliminator without removing the TC .and for that you need to drop the skid .
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Old 08-24-2014, 08:26 PM   #7
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I think this is the link to installing the SYE w/o removing the TC.

Advance Adapters Slip Yoke Eliminator AA SYE Jeep TJ Installation
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Old 08-24-2014, 09:47 PM   #8
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Originally Posted by bubbabud View Post
I don't know how you would install a slip yoke eliminator without removing the TC .and for that you need to drop the skid .
It's common to install SYE kits without removing the transfer case. I installed my SYE without removing the tcase. Why? Because doing it that way is faster and easier.
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Old 08-24-2014, 09:56 PM   #9
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It is faster and maybe easier when you have done it a time or two, I liked having it on the bench the first time so I could see all I was doing and how it all worked.
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Old 08-24-2014, 11:48 PM   #10
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It IS possible. That being said.... It is a real PITA to do.
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Old 08-25-2014, 12:19 AM   #11
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It IS possible. That being said.... It is a real PITA to do.
You have personally installed a SYE kit into a tcase still bolted to the transmission? I have and it's a bigger PITA to also have to remove the transfer case. Once done this way you'd never choose to also remove the tcase... it's simply easier and faster. Those who have actually done it know. Like it's not necessary to remove the axle to do a ring & pinion installation.
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Old 08-25-2014, 05:58 PM   #12
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Originally Posted by Jerry Bransford View Post
It's common to install SYE kits without removing the transfer case. I installed my SYE without removing the tcase. Why? Because doing it that way is faster and easier.
Jerry I stand corrected. For me it is preferable to have it on a clean well lit bench also note even if you install in the Jeep you still have to drop the skid plate which was the concern of the OP.
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Old 08-25-2014, 06:08 PM   #13
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I installed my SYE while the transfer case was on the Jeep and it was much easier than I had anticipated. Would do it the same way again for sure. First one I had done and I am not that mechanically inclined at all.
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Old 08-25-2014, 07:27 PM   #14
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Originally Posted by Busted View Post
My frame has some rust on it. In the area where the control arm hole is thinner but nothing to be worried about. Otherwise I didn't find any weak spots with the frame. I flushed out as much crap as I could. I ended up pulling out about two large handfuls of rust! Then I sprayed the frame with POR-15 inside and out. I also replaced the carpet with bed liner. Broke a bolt removing each of the front seats. Now I'd like to put a lift on it. If it's possible I'd like to leave the skid plate where it is. What I don't know won't hurt me, right?! Is there a way to install a SYE without dropping the skid?

If not, has anyone with similar frame conditions had any experience dropping the skid plate. I'd like to make sure I have everything I need before I start or skip it altogether.

Thanks in advance.

'01 Wrangler, 4.0L, 5spd with Dana 44 rear.
I have wondered about this also. when I do this I might as well add new nutsert installation to it cause I'm sure they wont cooperate with me.
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Old 08-25-2014, 07:33 PM   #15
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Start a program now of spraying where the transfer case skidplate bolts thread into the frame nutserts with Kroil, Liquid Wrench, PB-Blaster, or Break-Free a week or two before you plan to drop the skidplate. Spray them every couple days. That will give you the best chance of getting those six bolts out with the fewest possible problems.

Don't bother using WD-40 for this job, it'd be a waste of time.
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Old 08-25-2014, 07:38 PM   #16
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Originally Posted by Jerry Bransford View Post
Start a program now of spraying where the transfer case skidplate bolts thread into the frame nutserts with Kroil, Liquid Wrench, PB-Blaster, or Break-Free a week or two before you plan to drop the skidplate. Spray them every couple days. That will give you the best chance of getting those six bolts out with the fewest possible problems.

Don't bother using WD-40 for this job, it'd be a waste of time.
This. Also invest in a torch. I picked up a cheap propane one a couple weeks ago and my God I don't know why I didn't do it sooner. By far the best tool purchase I have ever made for the heep. Can't recommend it enough.

Penetrating oil + heat and bolts with 168k miles of PA corrosion all of the sudden aren't so bad. No more need to snap the heads off using my 40" lacrosse stick as a breaker bar.
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Old 08-26-2014, 05:38 PM   #17
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Nice! I'll start the PB now. Hopefully spraying inside the frame with POR-15 didn't lock up all the threads. I think having the replacement nutserts on hand just in case will be a good idea. I'd rather enjoy the end of summer driving my jeep than admiring it in the driveway with a jackstand under the tranny!
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Old 02-17-2015, 10:31 PM   #18
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Quote:
Originally Posted by Jerry Bransford View Post
You have personally installed a SYE kit into a tcase still bolted to the transmission? I have and it's a bigger PITA to also have to remove the transfer case. Once done this way you'd never choose to also remove the tcase... it's simply easier and faster. Those who have actually done it know. Like it's not necessary to remove the axle to do a ring & pinion installation.
I know I'm bringing this back from the dead, but the OP's question was if it was possible to do the SYE with the skid still on. Yes it is possible, like I stated, just a huge PITA. I removed my skid and installed my SYE with the T-case still connected to the transmission.

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