How To Install an SYE - A Comprehensive Guide - Rough Country
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- Опубліковано 2 жов 2024
- In this video, Matt from BleepinJeep will show you how to install a Rough Country SYE or Slip Yoke Eliminator on the NP 231 Transfer case. I've done my best to make this a comprehensive guide with every possible scenario you might encounter while installing an SYE. This happens to be an NP231 transfer case from a Jeep Cherokee but should be the similar if not the same for Jeep Wranglers like the YJ, TJ, and JK or any other vehicle with a NP or New Process Transfer Case, although I'm not sure exactly how the NP242 differs. I hope this helps you on your install! Remember that the point of an SYE is to eliminate the slip yoke style driveshaft and therefore you will also need to purchase a new correct length double cardan driveshaft to install after the SYE.
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Lift Components:
Pitman Arm- • How-To Remove a Pitman...
Sway Bar Links- • Sway Bar Disconnect In...
Track Bar- • How-To Install a Track...
Sway Bar Stud Removal- • Stuck Sway Bar Stud Re...
Long Arms- • Longarms Install - Rou...
Coil Springs- • How-To install Coil Sp...
Front Shocks- • How To Install Front S...
Remove a threaded stud- • How-To Remove a Stud
Front Brake Lines- • How-To Install New Fro...
Assemble Adjustable Joints- • How To Assemble Adjust...
Cross Member- • How To install a Long ...
Transfer Case Skid- • Rough Country Transfer...
Tie Rod- • How To Change a Tie Ro...
Steering Stabilizer- • How To Install a Steer...
Rear Brake Lines- • How To Install Rear Br...
Rear Shocks- • How To Install Rear Sh...
Leaf Springs- • How To Install New Lea...
Shackles- • How-To Install Shackles
More RC:
SYE- • How To Install an SYE ...
Driveshaft- • Double Cardan Drivesha...
Diff Cover - • RC Diff Guard Armor In...
Front Bumper - • Rough Country Front Wi...
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This product is meant for entertainment purposes only. Your mileage may vary. Do not try this at home. Void where prohibited. Some assembly required. For off-road use only. Slippery when wet. Batteries not included. Do not use while operating a motor vehicle, heavy equipment, cherokee XJ, wrangler TJ, wrangler JK, or any Jeep vehicle, especially the newer Fiat ones. How-to videos may be too intense for some viewers and children under 30 years of age. Please remain seated until the 4x4 ride has come to a complete stop. Studies have shown viewing these videos causes increased cancer risks in laboratory test people. I am not a professional, I have no training, I'm not even particularly good at horse whispering. Don't believe everything that you know. Please keep your hands in the vehicle at all times. Do not tap on glass. Do not eat anything that has been on the floor for more than 3 days. Keep your hands to yourself. Not to be taken internally. Reproduction strictly prohibited. Driver does not carry cash. Objects in Bleepinjeep mirrors may be farther than they appear.
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6 years later and still one of the best videos out there for this job...
He's still stuck under the Jeep though.
@@bradfordjeff hahahaha nice one
I'm just now doing this so I'm stoked for such an excellent video.
Love your videos, I watch them multiple times before replace anything
When I was a mechanic, I used to freeze the bearings in the freezer before placing them in their seat. They would just pop in without any hassle...
How did you have the time?
@@ChewieAndChico What do you mean? You know you are going to change the bearing, so you place it in the freezer an hour or two before you need to put them in... no waiting time involved...
Its called sweating in the bearings
@@richardeberline3585 thanks, didn't know it had an English idiom...
@@TheCzechmate007 I come from a production shop. When the bearing comes in from the parts store, it goes in. I don't have time to put it in the freezer lol
Great timing Matt. I was just about to do an SYE on my 2000 xj. It was going to be my video submission. It's ok though because I'm doing a head and gasket replacement on mine due to a cracked head (0331 casting). I think that can be my video submission then. Keep doing what you are doing. This is the best UA-cam channel for anyone that has an XJ!
Awesome video I just bought a xj 2 wheel drive I plan on converting it to a 4x4 all of your videos have been very helpful wish me luck. And I look forward to seeing more.
Wow this is a way bigger process then I was expecting. I was going to order one of these soon for my lifted xj but I'm not sure that'd Id be able to put all this back together properly lol
Joe Mercurio just invite some friends over and set up the bigscreen in the garage with bleepinjeep on.
Matt ,just did my s.y.e on my 97 wrangler . Love you're videos . I apriciate theam very much brother. Thanks for helping get me back on the trails. Much love 👊🏼
Great video.
I found that the front driveshaft from a 1994 Grand Cherokee with a V8 engine is a perfect fit to replace the stock drive shaft on my XJ with this SYE.
If you pick one up at a junkyard, have it completely rebuilt at a good drive shaft shop.
The factory XJ front driveshaft will work in the rear. Ive been running one for years and I can carry a extra yoke and shaft and be able to fix the front or rear if one breaks.
Oh man, you really had me thinking the transfer case was heavy.
Please do a rear main seal video!!!!!!!!!! Thank you!
Helps a whole lot if you put the barrings in your freezer because metal shrinks in the cold but just leave in in there for an hour or two then it just slides in no hammering needed
I know you're really busy with Camacheep but I got that passenger side top nut off with a stubby 9/16 wrench👍
Dude, get a bearing and seal driver and some deadblow hammers.
"Oh god thats heavy" I say thay every time I take a leak!
some people have a knack for teaching some don't
You sir are very proficient at it
Thanks
Thanks bleepinjeep best informational video and so funny when you pull out the transfer case lol
Finally installed an SYE and Adam's driveshaft in my 91XJ. This video made me much more confident in being able to do the job. I did it with the transfer case in the Jeep. I have a 3" lift and 30" tires, and it was no problem getting underneath the Jeep to work on it (I'm a big guy). I had no issued doing the install with the transfer case still in the car. I'd do it that way again for sure. And talk about SMOOTH!!! All the vibes are gone, no clunks, just awesome smoothness. This was well worth doing. Thanks again for the video, BJ!
I'm going to try it your way of leaving the TC on the XJ. I don't want that TC falling on me like it did on him... lol
A good impact wrench works great.
Hey Mat I'd like to join the bleepin jeep team. My channel has some of my XJ videos. Next one will be rock sliders and unibody stiffeners. Let me know what you think! @bleepinjeep
Admiral Off-Road pm sent!
I always use a vehicle ramp and 2x4 to slide transfer case up and down. Stock jeeps may have trouble getting ramp under it.
Matt, thanks so much for this video, made doing this job on the TJ a breeze. I was tempted initially to do a hack and tap, but this is really the way to do the job. On the 98 TJ 231 that I had, I didn't have the needle bearings (as you suggest in the video it's a pre-98 thing). For others thinking about doing this, definitely dropping the transfer case is the right answer. The only change that I would make from Matt's directions is to disconnect the transfer case lever from the transfer case (using the nut as opposed to pushing the rod through the linkage. Also, I believe that the rubber spacer goes under the yoke, not over it. Once again great job with this video!
"Bombproof" from RC is a bold move, let's see how it plays out cotton!
unidentifiedbomb I'm sure it'll be fine but I won't be buying one from them. I made that mistake with my lift kit and plan on changing all of the RC stuff out.
@@Nothingtoya Damn, RC that bad? I heard there better now but i still avoided them and got a Rubicon express Sus lift
@Salami most of the steel parts in most lift kits are the same quality. Most of the time you are paying for better shocks in the higher end kits. RC is not bad quality just their entry level shocks suck...
@@spittinimage100 My mechanic told me it has to do with bushing in lift kits, the quality of that and rought country at least use to be much worse. So did rubicom epxress, it use to sag after a few years. I think overall china got better but I Still read forums on people complaining about RC ride quality and suck.
"ohhhh hoo hoooo oohhh god thats heavy!!"
reminds me of pee wee herman in Buffy... ua-cam.com/video/IHVh_S9NGIU/v-deo.html
Lol....thank god it didn't have an np205!
New bleepin jeep shirt quote, "I don't know if you can see that or not"
this is easily the best channel on UA-cam!
Mac Silvey thanks!
5:04 Do NOT do this !... I may have put a hair-line crack in my t-case from the pressure required to remove the nut. Use a large pipe wrench on the yoke with a "cheater" bar to hold the yoke from turning. That's how I had to get the nut off.
This video is a perfect example of why I love this channel. Thank you so much for the upload. Fantastic content.
Jargon StarCraft sure, glad you like it!
Wish I saw this video before changed my YJ. Would have made the process much easier with cutting the shaft and pressing out the needle bearings.
Hello. Awesome video. My speedometer is a little off because im running on 33's. However I'm soon upgrading my gearing to 4:10 and it will be waaaay off. Can it be calibrated installing the gear you mentioned?
@16:05 It looks like it might be a good idea to thread the yoke nut onto the output shaft, just in case the needle bearings don't have enough room to press out and you mushroom the main shaft.
great video! but lol. dont destroy the bearing by taking it out with a hammer and shock loading the balls then spin it and say "this one is very bad"... @12:53
He said it was bad before he demonstrated how to make it worse
I really like your crazy hats
Just a note: When seating bearings it's always better to start/drive it in with something that surrounds to bearing case (they sell bearing/seal installer kits). If you absolutely have to do it with the "tap and spin" method, use a brass/bronze bar as it is a lot softer than the bearing housing. Great vid! 👍
I can’t believe that you out RTV in the splines of the yokes.
Aren’t you suppose to let the rtv set up a bit before you torque it all the way down?
crazy idea... take a standard SYE kit.... but cut end and install a hack-n-tap it......would it end up with enough of longer drive shaft to be worth it?
When installing the new bearing shouldn't it be better to use a piece of wood over it and hit the wood with the hammer? That's what I've always done when installing any sort of bearing.
as long as you don't have locking hubs the transfer case will always spin at the same or close to the same rate as the main shaft. Does that make it ok to not run bearings in the hi-lo gear? what about jeeps with warn hubs, does that increase wear. Popping the bearings out just kinda seems wrong to me
I’m really grateful for all your Jeep insight and information. I actually tell anyone that has a Jeep problem or question to look you up on UA-cam. You rock!
It looks difficult. But well worth it. How much will it cost to have it done at a shop?
What if you don’t have a press for those needle nose bearings and have a 96 xj?
Great video! Was going to do a hack n tap but now thinking this is a way better option. Thanks Matt!
Also is there a reason y'all used the red silicone? Over the years I've always seen the red leaking no matter what it's on....I use the ultra grey on everything and zero leaks even after years of service.
hello Matt im repairing my wife's wrangler front axcle and replaceing the tranfer case the steering box and front suspension parts. I made a video with my phone showing the damage .iam gat hearing replacement parts now. that video is posted on my channel now repair video's will be coming as I get the parts. PS, l watched your challenge video's with Matts off road recovery. and Holly with mischief maker it took Matt out of the sand to mud tocks and tember country. please fill free to take a look at my wife is heart broken video showing damage to her jeep she got it brand spanking new in 2004.it is her second wra gler she love to ride with her top of. LOL she is cool like that .l hope to have her jeep back together for her 60th. birthday in july 2023.
Hey Matt and bleepin jeep crew! I am looking at installing a 3" rough country lift with new leafs and coils and 31" tires. Is a SYE required or not? I read different views on this. Same thing with lower control arms and brackets for sway bar. Thanks!
Giving up on the SYE. Excessive vibration. Pinion angle is within .3 degrees of the propeller shaft angle. But the vibration is destroying the transfer case and the noise is unbearable. Have taken it to two “4x4” shops, neither could figure out how to fix it. One suggested that the vibration (that is literally eating transfer cases) is normal. The other suggested that only God could figure out how to correct the problem. 91’ XJ, AX15, Dana 44. 3” lift. It just will NOT work. Have tried an Adam’s driveshaft and two different styles of Tom Wood’s driveshafts. Two different brands of t-cases. And even two different brands of SYE kits. New transmission too. Also a 1” drop cross member. Just is not going to happen. Zero vibes with the stock propeller shaft. Got lured in thinking that an SYE would be a cool thing to do. $3000+ later, I’m not thinking that it’s so cool.
They are still called snap ring pliers bro.
Been easier to put that tube on before putting the other half on. Looks like a pain in the butt to do it at the end.
Matt, What is the idea behind changing the housing and putting in a longer drive shaft??
Beryl Barker The SYE changes the driveshaft from a slip yoke type to a better double cardan type at the same time lengthening the driveshaft and getting a getter less steep angle.
You had an impact, but used a breaker bar to remove the Yoke?
What snap ring tool did you use
Where can I find the splined Yoke seals? Also wanting the 2 C clips that are on both sides of the speedometer drive? How much slop in the chain is OK?
Uuhh....just how heavy was that transfer case??? 🤔😯
I did it with out removing it BTW
Nothing on my 1991 jeep xj case looks like this tag says its a 231j the speedo is way different tale shaft is very different
Thanks for going all Blair witch on us there..!
Is doing the SYE necessary for adding a lift kit? I bought mine used (93 YJ) with a 3.75 inch lift and i was going to switch to a RC 4.5 inch.
Is there a gasket kit for the transfer case?
I have never seen anyone add RTV on the yokes before, but I guess oil could travel down the splines.
No, I think it's the stupidest idea to use rtv over there
150 Foot pounds aka air ratchet!
After about a year from sye install I have about 1/4 inch of lateral play on the rear output shaft. Any ideas?
Good video, but hammers and bearings don't mix. Use a bearing driver.
should that chain be changed now it looks a little stretched. You should just lay a 2x4 across the bearing your replacing and hit it, presto it's in.
Whenever I'm scouting parts in the junk yard and see the warning flag of blue or red RTV I immediately dismiss it as a viable candidate. Right stuff fipg, Ultra black or grey is far superior and looks OEM.
Why did you put rtv on the inside of the yoke and on the nut of the yoke?
Can you use your stock driveshaft with this kit? Also where y'all get good driveshafts at?
Damnit ... I am diggen the knuckle guard on that punch... Oh, great video.
I have 2000 cherokee, and I'm doing the cv joint driveshaft that you did in a video, will I have to do this aswell or is it for earlier models
What the hell is an sye!! You must from the government who loves to letters like fbi, dhs, atf.
Great video... I almost didn't watch it though because of the silly hat.
Has anyone had any trouble with the housing directly below the yoke not fitting correctly? My mechanic is having trouble with it not fitting. It's directly from Rough Country and I'm trying to sort out if they sent us the wrong parts. Any feedback is appreciated.
Hey Matt,
I'm looking to get this SYE for my 97XJ. I have a 3.5" lift (OME rear leafs, RE front, both at 3.5" lift advertised) and was wondering if I could use this SYE and a stock front driveshaft? If not do you know how much I would need to have a stock driveshaft lengthened?
Thanks for all the awesome and helpful videos!
Hack-n-tap all the way! lol
Great detailed video. If I go this route on my next build I know where to find good info. Keep up the great work and videos.
Ahh, it's not so bad.
Probably not. I am just lazy sometimes. My hack n tap is holding up well though so far.
So, does my 01 XJ with a 3 inch lift need this too?
Hello! I have a 242 and the transfer case exploded. I got a new transfer unit. I want to take my SYE kit and put it on the new/salvaged case. Is it basically the same here in this video?
Well it's not really a slip yoke is it in the original one? The yolks are captured to the shaft with that large 28- 32 mm nut? At least on my 2018 jku both sides yoke is captured with a nut I believe.
Everyone saying this is easy is either 1) The most skilled mechanic and/or worlds strongest man 2) Completely full of shit. The 6 bolts that attach the TC to transmission are absolutely insanely hard to reach and turn. Took me two hours straight to remove them. So annoying and tedious.
@BleepinJeep does the chain ever make a popping sound when under duress in 4 low?
That was really a good video, getting ready to see what's wrong with mine... sounds like my chain or bearings are bad. Still goes into 4 wheel drive, but makes that sound of a chain just running lose... or something worse. Either way you made me feel like I can tackle this... fingers crossed. Thanks
So i just tore apart my transfer case and then inside doesn’t look the same at all. I’ve decided to just get a new transfer case from the junk yard. But. Do you know what year transfer cases will work with this SYE kit?
Hey I'm doing my first build a 3.5 inch lift which will really sit like 4 inches is this nesacary to adjust caster and pinion angles I dont understand caster and pinion angles really what is the actual point of a SYE
Hey man i got a few ?s for yah..... i have a sye on my 01 cherokee sport w a 4.0. Will the stock national seal from the parts store still fit or do i need a seal from rc, mycase extension looks just like the new one you put on. My seal is bad there and i need to find the correct part
For anyone looking for a good quality sye kit make sure you check out jbconversions. I have there super shorty sye kit and I couldn't be happier
8 years ago you don’t have to check the bearing you hit the inside! That’s a Nono throw the bearing away use a socket the same size of the outside of the bearing
Could you do a oil pan install?
Chances are not good getting the dipstick tube and the oil pan neck separated...just cut it and buy a new dipstick tube while you're replacing the pan.
hey I gotta prob, np 242 is not engaging the rear tires, only the front spins...the rear is welded up..wondering if anything in the transfer case would cause this.
Hey Matt can you help. How did you get the upper passenger side 9/16 nut out? I'm having a hard time getting it out.
Except foR the way too much rtv sealant used, okay video
I've comented on this video before, but I just wanted to say thank you. I just got done swapping in a SYE from a junkyard 231 that I plan to put in my xj to replace the 242 that's in there now. and I never would have thought I could've done the SYE swap (or even pulled the transfer case) until this video. thanks Matt
Dude why would you swap a 231 for a 242?! The 242 is so much better because of all the options it gives you. Don't get me wrong the 231 is solid like the 242 but with less options. Most people want a 242 instead of a 232
Sweet timing; my SYE is supposed to be delivered today and I was going to search if you had an SYE video anyway.
Spitfire 77 awesome timing!
Same here, I was lucky to see that this video was posted just 5 days ago!
Definitely don't install bearings that way
Six 9/16 bolts. 2 of which are a pain to get loose, and one that is next to impossible without dropped the exhaust...
hi i own an xj 2001 4x2 so i wan 4x4, can i only adapt a transfer case to my stock transmission to avoid swap transmission. i have the front axle and front cardan, rear cardan can be shortened
Yep still the best
Does the shift rod only have to be trimmed on the 96 and older 231s?
I have a ? I did this upgrade and then I did a 3.5” lift and the link was not working so I updated it to a sheinjager shift cable. but it will not shift at the np231 case. what did I do wrong? I thought I put everything back together right maybe I didn’t
Did you get it figured out?
What do you do if the crossmember bolts start to break/Get stuck in the unibody frame rail please help. Thanks great video like always: )
my biggest problem is getting the front drive staft bolt out i broke two of the lose with a 8mm ratchet wrench with a pipe but i striped other two out. dose anyone have any ideas to get the others out please lmk
When you cut the rod did you put it in 4hi it 4lo. And do 97+ cherokees need to be cut?