The Official SYE (Slip Yoke Eliminator) Thread *All Read* - Page 21 - JeepForum.com
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post #301 of 335 Old 03-19-2014, 09:44 AM
BigCoy1986
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2001 XJ Cherokee 
 
Join Date: Mar 2014
Location: Acworth
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SYE and CV drive shaft- Rough Country

Alright guys, help me out here. Rough country makes a SYE kit and a CV drive shaft to go with it. I have a 2001 XJ with a 3" lift, an NP231 TC and a Chrysler 8.25 rear axle. I am thinking of buying this kit because I am still getting some vibrations at or around 65+ MPH on the high way. Also, when I engage my 4x4 every now and then it doesnt want to disengage. Not always but every once in a while.
Would the SYE help with this issue disengaging issue?
Would this help with the drive line vibrations I am feeling at 65+ MPH?
Does anyone know if these are good parts? I cant find any reviews on them.

Help point me in the right direction, please.


Coy Brackett
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post #302 of 335 Old 03-20-2014, 09:20 AM
GregB_00XJ
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2000 XJ Cherokee 
 
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The 4x4 disengagement thing will not be helped by adding an SYE kit (at least not that I have ever heard of or can see how it would). Mine does that too sometimes, I simply stop, back up a little bit in reverse and then drive forward, pops right out. Same thing, not all the time but once in a while.

The SYE will completely remove all vibes and drive-line noise. This appears to be the Advanced Adapters HD SYE and the Tom Woods DS. Both are top notch components. I have had the AA SYE for 4 years now, works amazingly well and is well worth the money/effort.

http://www.rustysoffroad.com/jeep-dr...riveshaft.html

If you want to go cheaper, you can grab the AA SYE and a front driveshaft (double cardan style) from a 4WD Cherokee XJ and use it as a rear shaft with this SYE. I did that, and have picked up a spare, so I have 3 identical drive shafts and I got both for $100 bucks.


2000 Jeep Cherokee Classic XJ - 2005 Jeep Grand Cherokee LTD 5.7L WK - CDN M101 1/4 Ton Trailer


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post #303 of 335 Old 03-21-2014, 11:55 AM
BigCoy1986
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Quote:
Originally Posted by GregB_00XJ View Post
The 4x4 disengagement thing will not be helped by adding an SYE kit (at least not that I have ever heard of or can see how it would). Mine does that too sometimes, I simply stop, back up a little bit in reverse and then drive forward, pops right out. Same thing, not all the time but once in a while.

The SYE will completely remove all vibes and drive-line noise. This appears to be the Advanced Adapters HD SYE and the Tom Woods DS. Both are top notch components. I have had the AA SYE for 4 years now, works amazingly well and is well worth the money/effort.

http://www.rustysoffroad.com/jeep-dr...riveshaft.html

If you want to go cheaper, you can grab the AA SYE and a front driveshaft (double cardan style) from a 4WD Cherokee XJ and use it as a rear shaft with this SYE. I did that, and have picked up a spare, so I have 3 identical drive shafts and I got both for $100 bucks.




Awesome! Thanks for the advice I appreciate it man.

Coy Brackett
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post #304 of 335 Old 03-21-2014, 11:57 AM
BigCoy1986
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How hard is it to do a SYE while still on the vehicle????

Coy Brackett
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post #305 of 335 Old 03-21-2014, 01:23 PM
sAe23
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I have read, and been told, that high speed vibrations are caused by balance issues.
SYEs address driveline angles, which cause LOW speed vibrations.

When you say you are *still getting* vibrations, have you tried to mitigate them somehow and it didn't help?

And some people think it's easier to install the SYE w/o removing the T-case (presumably with the Jeep on a lift!).
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post #306 of 335 Old 06-03-2014, 08:16 AM
mhg
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OK help me out here....I am researching an SLE for my 2000 XJ. I see many kits come with a CV shaft. What am I missing. That shaft is obviously shorter than the stock shaft. is there another component I am needing? While I have access to a lift and have always done all my own repairs, I would prefer to buy a complete kit and not have my jeep sitting on my brothers lift while I wait for more parts to come.

I found this web site what asks for the measurements. http://www.rockridge4wd.com/Jeep-XJ-...cv-sye-kit.htm. Are these any good?


I don't have any vibration but I do have a droning at 60 mph which could also be my pinion bearing or just a pinion angle (which I will be measuring tonight). But I should have a SLE with a 4.5" lit so I figure what the hell...
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post #307 of 335 Old 06-03-2014, 11:28 AM
cpeters1928
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Ok I have a 96 xj and I've been having very bad sounds coming from my t-case.

I currently have a 4.5" lift and I do I have a T-Case drop kit installed. This helped with vibration issues but I am still having others.

I hear a clanking sound in the tcase when stopped then when I let off the brake and go at idle speed it's silent and feels smooth.

Then if I hit the gas and accelerate it's makes like a "wawawawa" (lol) sound that gets faster as I accelerate then fades away.

I also hear a droaning at high speeds

My question is, will a SYE resolve these problems and if so, what kind should I get?
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post #308 of 335 Old 08-04-2014, 07:30 PM
tazunemono
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I have a 1996 with an auto transmission, a NP242 transfer case, and an 8.25 rear axle.

See http://i.imgur.com/2LzzsKo.jpg this is a 28" drive shaft.

If I'm only lifting 3" do I need to consider this slip-yoke mod, or am I OK? Looking to put on Rough Country 3" lift.
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post #309 of 335 Old 10-25-2014, 04:01 PM
Rytari
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1991 XJ Cherokee 
 
Join Date: Jan 2012
Location: Parkano
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i tried to read all in this thread, and behold... more i read more i got lost...

i have 91 xj 3,5" lift, 8 1/2" rear and 242 with homemade H&T sye, i been using stock front DS in rear but those seems to be a bit too short, im over extending my shaft when flexing out, slip joint is nearly on its end when in normal ride height and outflexing makes slip splines coming out of the dust seal, i have allready broke dust seal and my old dS that seal constantly popped off from its place, slip worns out rapidly and allready the one i have in now vibrates badly, uphills i have to use 4wd, wihtout whole car starts violent shake, good joint usually lasts about 1000 miles and then its toast.

i could extend one myself but balancing cv shaft is a bit tricky at home


some zj shaft seems to be longer but not so easy to find i think, and after all reading not sure at all if it fits or will it be too long and ill bottom it out, or did i just read all wrong here.
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post #310 of 335 Old 05-06-2015, 03:02 PM
danfau07
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quick question while im reading this great right up. i have a 97 grand cherokee that i swapped the 249 for the 242 when i put a 5.5 inch long arm jit on. everything else is stock on the drivetrain. what will i need to get to do the sye and the cheepest route? i know i need a hack and tap kit as well as the xj driveshaft. do i need the adapter from spicer? and i heard something about the front driveshaft from a grand cherokee too? please and thank you

97 Grand Cherokee Limited 4.0
5.5 Inch long arm lift (rustys Offroad)
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post #311 of 335 Old 05-06-2015, 05:35 PM
indeepwithajeep
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This will answer both of the last posters questions. Just remember to bring a tape measure to verify everything is the correct length.

XJ 87/88 2.5 Automatic 27.950 53003912
XJ 89/93 2.5 Automatic 27.970 53005540
XJ 89/01 2.5 Manual 25.310 53005541
XJ 89/01 4.0 Automatic 30.660 53005542
XJ 89/01 4.0 Manual 29.250 53005543
XJ 89/00 4.0 Manual 27.080 Export 53005544
XJ 89/00 4.0 Automatic 28.620 Export 53005545
XJ 87/88 4.0 Automatic Export 53005260 *
XJ 95/01 Diesel 27.640 Export 52098208

ZJ 1993 4.0 Automatic 30.530 52098341
ZJ 93/95 5.2 Automatic 32.870 w/o CV 53008427
ZJ 94/95 5.2 A500 30.625 w/o CV 52087805
ZJ 94/95 4.0 A500 w/o CV 52098790
ZJ 93/96 4.0 Manual 52098344
ZJ 93/96 4.0, 5.2 31.875 w/ 231, 242 52087805
ZJ 93/95 4.0 Manual 30.000 w/231 52088090
ZJ 93/96 5.2 33.000 w/ 231 53008427
ZJ 96/98 5.2, 5.9 31.250 w/ 249 & Model 30 52098379
ZJ 1996 5.2 Automatic 32.875 w/ 249 & Model 30 52098501
ZJ 96/98 4.0 33.000 w/ 242 52098707
ZJ 96/97 4.0 Automatic 31.250 52098850
ZJ 1996 5.2 Automatic 30.750 w/ 249 & Model 30 52099246
ZJ 96/98 4.0 33.500 w/ 249 52099260
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post #312 of 335 Old 05-07-2015, 05:44 AM
danfau07
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1997 ZJ 
 
Join Date: May 2014
Location: Ashland
Posts: 74
what am i looking at here?

97 Grand Cherokee Limited 4.0
5.5 Inch long arm lift (rustys Offroad)
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post #313 of 335 Old 05-07-2015, 01:15 PM
indeepwithajeep
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1998 XJ Cherokee 
 
Join Date: Nov 2013
Location: Portland
Posts: 305
Chassis, year(s), engine, trans, drive shaft length, transfercase, CV shaft or not, and part number.
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post #314 of 335 Old 06-13-2015, 10:31 AM
monopoly
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1992 XJ Cherokee 
 
Join Date: Feb 2013
Posts: 7
So I have done some reading and have been shopping around. I have a 92 cherokee with a 3 in lift and 31in tires. I have a tc drop right now. I have been looking around and cant seem to figure out what size drive shaft will i need after i install the Sye?
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post #315 of 335 Old 06-13-2015, 08:18 PM
kippo
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1998 XJ Cherokee 
 
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Location: athens
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A stock front shaft would be fine in the rear
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