Martinjmpr
Wiffleball Batter
You know, other than the shift-on-the-fly capability I liked the auto hubs. The nice thing about auto hubs is that if they stop working you can just remove them for $0. Sure, you don't get to unlock your front wheels, but your 4x4 still works. OTOH, with ADD, if it stops working you have no 4x4 until it's fixed.
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Interesting to note that AFAIK Jeep went away from the Vacuum Disconnected ADD when they went from the YJ to the TJ. Basically (as I understand it) on a TJ the front end just turns all the time, whether you're in 4x4 or not. But that means there's no vacuum-actuated ADD to break or need servicing.
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Interesting to note that AFAIK Jeep went away from the Vacuum Disconnected ADD when they went from the YJ to the TJ. Basically (as I understand it) on a TJ the front end just turns all the time, whether you're in 4x4 or not. But that means there's no vacuum-actuated ADD to break or need servicing.