Jeep Wrangler Forum  Jeep Wrangler Forum ( -   TJ General
Discussion Forum ( -   -   crash coarse please (  tbk125
12-06-2009 06:42 PM  crash coarse please i keep hearing about
lockers, slip yokes, sye.. all that stuff i dont know what it is
or what it does :( if any of you dont mine explaining some of
this stuff it would be greatly appreciated  4Jeepn 12-06-2009
07:37 PM  Lockers: Replace the spider gears and in some cases
the whole case which the ring gear is mounted to. They then will
"Lock" the axle shafts together and giving you more traction, vs
an open carrier, which will send the power the the tire with the
least resistance.  Slip yoke. NP 231 t-case.. not sure how to
explain this, but its a weak link inthe t-case, and when you add
an sye it beefs it up, by added the SYE you can run a long
driveshaft, which helps get the vibs gone. If I recall on the YJ
slip yokes if you ran with out the rear drive shaft the fluid
would leak out.. not an issue on the TJ if I recall.  Two types
of lockers... full and l