need some help trouble shooting

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Nov 23, 2013 | 06:00 PM

toddpetrucci32

Thread Starter

Newbie

Joined: Oct 2013

Posts: 11

Likes: 0

From: Connecticut

Year: 1999

Model: Cherokee

Engine: 4.0

need some help trouble shooting

Just put a three in lift on my 99 xj its rough country with a steering stabilizer and adjustable track bar it has been aligned bt a shop and the track was put on dead center too I am getting a vibration once I hit 20 coming from the drive line and a vibration when I take my foot off the gas any input?

Nov 23, 2013 | 06:09 PM

BNJeepsta

CF Veteran

Joined: Jul 2011

Posts: 2,164

Likes: 1

From: Warren, Pa

Year: 97

Model: Cherokee

Engine: 4.0L

You need an SYE. You may be able to get by with a T-case drop but, you really should get an SYE

Nov 23, 2013 | 06:13 PM

mike albo

CF Veteran

Joined: Mar 2009

Posts: 8,712

Likes: 2

From: Loomis,California

Year: 1987

Model: Cherokee

Engine: 242 inline six

Quote:

Originally Posted by BNJeepsta

You need an SYE. You may be able to get by with a T-case drop but, you really should get an SYE

Nov 23, 2013 | 08:44 PM

xjmarc

CF Veteran

Joined: Feb 2010

Posts: 5,420

Likes: 0

From: Soddy Daisy TN

Year: 97

Model: Cherokee

Engine: 4.0L

Check your u-joints. If they are old and used to running a the same angle they are now running on a different one and can cause vibes. Vibes due to angles that require a SYE on a 3" aren't unheard of but are rare.

Nov 23, 2013 | 09:17 PM

smooth move

Junior Member

Joined: Sep 2013

Posts: 84

Likes: 1

From: bayou vista

Year: 92

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by BNJeepsta

You need an SYE. You may be able to get by with a T-case drop but, you really should get an SYE

what is a SYE? i've got a 4" lift on my 92 xj and i had to extend the rear drive shaft and will have to extend the control arms if i go any higher, but i'm ignorant of a SYE.

Nov 23, 2013 | 11:30 PM

Ianf406

CF Veteran

Joined: Feb 2010

Posts: 3,353

Likes: 1

From: Missoula, MT

Year: 1999

Model: Cherokee

Engine: Golen 4.6 Stroker, AFE Headers, 62mm TB, 24 LB Injectors, Brown Dog kit, HF Cat, 3" Exhaust

Quote:

Originally Posted by smooth move

what is a SYE? i've got a 4" lift on my 92 xj and i had to extend the rear drive shaft and will have to extend the control arms if i go any higher, but i'm ignorant of a SYE.

SYE= Slip Yoke Eliminator.

Nov 23, 2013 | 11:32 PM

Ianf406

CF Veteran

Joined: Feb 2010

Posts: 3,353

Likes: 1

From: Missoula, MT

Year: 1999

Model: Cherokee

Engine: Golen 4.6 Stroker, AFE Headers, 62mm TB, 24 LB Injectors, Brown Dog kit, HF Cat, 3" Exhaust

Heres one of the best write-ups I've seen on them. It should give you some good information as to why you need one.
http://www.jeepforum.com/forum/f11/o...l-read-426483/

Last edited by Ianf406; Nov 23, 2013 at 11:33 PM. Reason: Punctuation/Grammer!