What does a slip yoke eliminator do?

A slip yoke eliminator, abbreviated SYE, does what the name suggests: It eliminates the slip yoke from the transfer case. Instead, it turns it into a fixed yoke that does not slide.

Who makes the best slip yoke eliminator?

NP231 SYE. Slip Yoke Eliminator for all Jeep NP231 transfer cases. Choose between Advance Adapters or Teraflex brands, both kits are essentially the same design. We consider these to be the all around best slip yoke eliminator kit for nearly any vehicle with a 231 transfer case.

Do I need a Sye for my XJ?

Premium Member. No you don’t need an sye to lift an xj. You WILL need tools, jack stands, jack, and some beer to do it.

What is a double cardan driveshaft?

Double cardan shafts utilize multiple u-joints with a center ball to solve the vibrations caused by an increase in drive line angle. Driveline vibration can occur for multiple reasons. When a vehicle is lifted the angles of the drive shafts become greater.

Do I need a Sye with a 4.5 lift?

No you don’t need an sye to lift an xj. You WILL need tools, jack stands, jack, and some beer to do it.

A Jeep slip yoke eliminator, no surprise here, is a kit that eliminates the transfer case slip yoke and adds a fixed flange or yoke instead. This allows for removal of the factory fixed drive shaft and installation of a CV (constant velocity) driveshaft in its place.

What is a slip yoke and why is it necessary?

The slip yoke is an important component of any drive shaft assembly. The slip yoke assembly (pictured on the right) is what allows drive shafts and PTOs to flex or “slip” with their given application. The slip yoke is also essential for allowing u-joints to rotate properly with the drive shaft.

Do I need a Sye with a 4.5 inch lift?

You only use an SYE with a custom driveshaft. With 4.5″ you MIGHT not need an sye/dshaft (if youre lucky), but more than likely, you will need them both. You only use an SYE with a custom driveshaft.

Do you need a Sye 4.5 Lift Jeep XJ?

Can you Overgrease?

Grease guns can produce up to 15,000 psi, and when you overgrease a bearing housing, the lip seals can rupture, allowing contaminants such as water and dirt to gain access into the bearing housing. Keep in mind that lip seals usually fail around 500 psi.