mikestoick

Ive heard that if you dont have lockers (like in my sport) you can quickly engage/disengage the hand/parking/e brake (whatever you wana call it) while in 4x4 and while giving your jeep some juice and this will "lock" you tires acting as if your jeep has lockers? Any truth to this? Anybody ever do this? Maybe its a stupid question. Donno. Thanks!

ronjenx

That is a valid technique for the rear axle only, and it only simulates limited slip. Not really needed on the JK as all JKs have "brake-lock-differential". In other words, the traction control system will apply some brake pressure to the spinning wheel, rear in 2wd and front and rear in 4wd.

Mark Doiron

Also worth mentioning that although most of the TCS/ESP systems can be turned off manually, or are automatically turned off in 4WD low, the brake lock differential (BLD) keeps functioning.

mikestoick

Cool thanks guys.

7kings

And just for the record, brake-lock differential is pretty amazing.

BIGNICK

Teraflex made a YouTube video about different differentials and showed this method on the trail if you looked it up.

TJM12

Related to this topic, how does a limited slip work with BLD?

ronjenx

If a wheel spins in spite of a limited slip differential, the BLD will kick in to do its job.

TJM12

Do they work in conjunction and compliment one another or are they just different versions of the same thing?

ronjenx

They work separately.

The limited slip is present all the time on those vehicles with that option. Therefore it will exert its influence first, if it's not worn out.
It is made of friction discs on each axle shaft inside the differential.

The BLD is present only when a wheel starts to slip and the traction control applies some brake pressure to the caliper of the spinning wheel.
Therefore it will exert its influence only if the limited slip's capabilities are exceeded.
BLD is present on the driven axles of all JKs.