Vehicle & Technical > Range Rover

Range Rover Diff Locks ? How do they Work ?

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Brian the Sn@il:
Can you Lock all the Diffs ?

Is it Automatic ?

Or do i need to Buy a Kit to Lock them all off ?

Brian

redhand:
Only the centre diff locks unless you spend loads of money for detroit or arb difflockers.

Brian the Sn@il:
Sorry for asking something silly But in my mind


a Diff Lock  Locks all 4 wheels together

So all Power goes to both the front and rear wheels all at the same time
This makes turning corners impossible, but gets you out of the mud.


Whats does Centre Diff Locks Mean ?

redhand:
Almost A centre diff locks front and rear propshafts. so both propshafts turn at the same speed the wheels can still spin at different speeds and if you get cross axled (1 wheel on each axle airborne ect) then won't move. as all the drive goes to the spinning wheels.

Evilgoat:
You have 3 diffs on your bus.

Front, rear and center. The center diff is provided to help the road manners and prevent transmission wind up. On some 4x4 cars theres a lot more trickery here, for examle my quattor doesn do a 50/50 split. This is indian country to the average 4x4 though :) If your front wheels loose traction, power is diverted to the front and you stop. The center diff lock stops this happening.

The front and rear diffs act the same way, directing power to the wheel with least resistance, this means that if you loose a wheel just on the front, center lock will get you out, however if you loose a wheel on each end you are stuck withouth lockers on one of the other two.

To muddy the waters further, there are devices called LSDs (Limited Slip Differentials) which will make sure that a portion of power is always available to the wheel that isnt spinning in the gunk and redecorating the local flora and fauna with mud.

Then theres Viscous Couplings, TorSENs and more ;)

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