Table of Contents
How far should slip yoke go into transmission?
CC: How much should the front yoke of a driveshaft engage the output shaft of the transmission? DD: The slip yoke should be able to go into the tailshaft of the transmission so the barrel is fully inside the seal. Then, pull out the yoke 1 inch. This is the correct amount of spline contact for the slip yoke.
What is a Jeep Sye kit?
An Sye Kit is a very Important Upgrade after you have installed a lift kit on some models of Jeeps like YJ’s, XJ’s, TJ’s and ZJ’s. The Sye Kit helps to reduce the angles that were created after a lift was installed by shortening the rear part of the transfer case 3″ and allowing for better angle.
What can happen if your driveshaft is too long?
If the driveshaft is too long then this movement is impeded, and the driveshaft bottoms out in the extension housing against the output shaft.. You might be able to get rid of some of the vibration by adjusting the pinion angle of the differential..
Do I need a Sye Jeep TJ?
Installing an SYE and a CV will help ensure your Wrangler doesn’t experience any driveline vibrations and will keep your driveshaft from being pulled out of the transfer case.
What kind of grease do you use on a slip yoke?
Ford PTFE, some use marine grease, some use wheel bearing grease.
What angle should a driveshaft be?
1 to 3 degrees
Ideally, both driveshaft-operating angles will be 1 to 3 degrees. Anything over 3 degrees at the rear axle will shorten your universal joint’s life and could create vibration.
What kind of transfer case does a jeep 231 have?
The Heavy Duty SYE (Slip Yoke Eliminator) kit is a highly recommended upgrade to all of the Jeep 231 transfer cases. By replacing the problematic OEM tailhousing and mainshaft with a fixed yoke design 32 spline HD output and Yoke you create a significantly shorter and stronger New Process (later New Venture Gear) 231 transfer case.
Does the 231sye-1 work on all year transfer cases?
It will work on all year 231 transfer cases but will only output a 3 pulse per rotation, 3 wire square wave speed signal which is what the 1992 and newer Jeep uses. Any speed adjustment will need to be done with an external adjuster box as listed below or in the speedometer itself. 231SYE-1 uses the stock speedometer sending unit on all year Jeeps.
What parts are included in a Sye kit?
All kits include replacement output shaft, tailhousing, rear seal, bearing, 1310 CV style yoke, hardware, and instructions. There are several areas worth noting on this topic. Our SYE kits solve the first three and parts are available below for the others as necessary or desired.
What is the difference between stock and 231 Sye?
This SYE kit is 4” shorter than stock and allows the use of a mechanical speedometer or the stock electronic speed sender. Version 1 is for Jeeps not needing a tailhousing provision for front axle vacuum disconnect or if you want to eliminate that feature Top to bottom, 231XS, 231SYE, stock.