Originally Posted by Brett
If you swap out for the ELSD you shouldn't need to manually control lock.
It is very quick to lock, by all reports.
See link below to the ELSD in the Jeep Commander. Same Deal for the GC, but I think in the latest model the lock response time is even quicker than the video which is a few years old...
What you say about the old gyrotor system is true, but Jeep dumped that ELSD in 2011 and went with an entirely electric motor controlled unit.
The old units used a hydraulic pump driven by the difference in wheel speed to lock and provided electric control to disable lock when brakes are applied (ABS and lock don't mix well). You could install these and they would just work.
The new units have no pumps. They are open until the step motor is driven to lock, there would not be a lock unless you power the step motor (similar to the more modern transfercases). So there is much more to it than just slapping a new carrier in.
The gyrotor type has a bit larger housing and larger bearings, you just cant slap them into the same axle housing as an open diff.