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Old 11-28-2013, 02:46 PM   #1
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SYE install help

I recently tore my old worn out driveshaft off my Jeep because of some recent vibrations it seems. Anyway this has brought the opportunity to install a SYE on my Jeep along with raise my belly plate back up. Now this is the problem. I want to eliminate the drop in my T-case skid plate and I am ready to do so now that I've installed a 1.25" body lift to give me a little space. When I installed the BL I also installed a 1" MML and now that I think about it will I want to remove the MML when I raise my plate back up to the frame so the drive angle aligns or do I leave it in place? I unfortunately can't start moving forward until I know what to do about the MML. I have a 2.5" Rancho rock crawler lift that caused a drop in the skid plate to Reduce vibrations years ago. Can anyone point me in the right direction?

One last thing. When I go to raise my skid plate up should I detach the front driveshaft?

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Old 11-28-2013, 02:53 PM   #2
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No need to remove the MML just because of the new SYE & raising the tcase skidplate back up. I'm running a MML with a flat skidplate & CV driveshaft without problem. Just keep in mind you'll have to raise the rear axle's pinion angle up substantially so its angle matches the new CV driveshaft's angle.

No need to detach the front DS to remove the tcase skidplate drop.

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Old 11-29-2013, 07:23 PM   #3
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if im not mistaken, you should already have removed the front DS when you did the SYE conversion.
thats how i did mine. not sure if you can get the rear output shaft drive chain off without removing the front yoke...
after i you install SYE and replace/reinstall yoke/DS, you just need a floor/trans jack to get your transfer case back up.
Also, do you still have the stock skid plate bolts? youll need them again, and hopefully, your nutserts are in good shape. Dont torque beyond spec!

I was so happy to get my t-case back up.

i have a question for you actually. Did you have to modify your stick shift after drop kit?
I think mine was "modified". I had to bend it back to a usable position.
unless i missed something
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Old 01-04-2014, 12:25 AM   #4
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I have an automatic so I had no real issues with modifying to raise the transmission back up.

I've finally installed my SYE and CV driveshaft as well as raised my skid plates back up to the frame. I am very happy with everything except one thing. When I was placing the new spline into the transfer case I knocked a large ring out that sits in a sort of Y shaped holder that is used to engage 4 wheel drive. Sorry I don't know what it's called but one side had pointed teeth on it and the other side was flat...my problem is I knocked the ring out and i wasn't sure what way it goes in the transfer case so I positioned it with the little teeth facing out towards the chain. And now that I've sealed up the whole transfer case and have finished up the installation it get a ticking type noise that sounds like the rivets on the side of the chain that hold all the links together are banging against those teeth...I'm worried now and I'm not sure I positioned the ring facing the right way. Can anyone tell me which way it goes?
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Old 01-04-2014, 12:45 PM   #5
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Quote:
Originally Posted by Phillips57 View Post
When I was placing the new spline into the transfer case I knocked a large ring out that sits in a sort of Y shaped holder that is used to engage 4 wheel drive. Sorry I don't know what it's called but one side had pointed teeth on it and the other side was flat...my problem is I knocked the ring out and i wasn't sure what way it goes in the transfer case so I positioned it with the little teeth facing out towards the chain. And now that I've sealed up the whole transfer case and have finished up the installation it get a ticking type noise that sounds like the rivets on the side of the chain that hold all the links together are banging against those teeth...I'm worried now and I'm not sure I positioned the ring facing the right way. Can anyone tell me which way it goes?
Not sure exactly what you are refering to, but I'm guessing it's the mode fork and sleeve. Here's some pictures out of the FSM...maybe they will help.
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Old 01-05-2014, 02:50 PM   #6
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Originally Posted by Water Dog View Post
Not sure exactly what you are refering to, but I'm guessing it's the mode fork and sleeve. Here's some pictures out of the FSM...maybe they will help.
Yes it's that mode sleeve. It fell out and I was unsure which way it went back in and now it seems that it's rubbing with the chain inside the transfer case. I'll have to disassemble the transfer case. Thanks you for the diagrams.

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