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Discussion Starter · #1 ·
i just bought a new 07 silverado Z71 4x4 and i have the auto locking diff in the rear. how does this turn on? do i have to be in 4 low or is it just a limited slip with a fancy name? is their a way to make it selectable if it is a locker?
 

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I am pretty sure that is just a limited slip.. When your rear tire starts to spin, the other one kicks in and tries to see what it can do. I love the Auto 4x4 on my truck. Always handy in the rain
 
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