Elite Member
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Join Date: Mar 2016
Location: Pasadena, CA
Posts: 5,380
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Elite Member
Join Date: Mar 2016
Location: Pasadena, CA
Posts: 5,380
|
The front does not disconnect at the hubs. The ADD system disconnects the right side drive output of the front diff. When the front is 'disconnected' the 'right' output off the diff drives nothing, which means the prop shaft freewheels (doesn't spin or only spins slowly, depending). The front CV axles spin with the front wheels at all times, and a broken CV will have to be fixed in some way to drive at speed.
On the 99/00 Limited Multi-mode transfer case, moving the shifter from 2H to 4H does nothing mechanically. It engages a switch in the transfer case, which tells the 4WD computer to control the transfer case actuator to the "4hL" position. The only mechanical shifting in your case is from 4H to 4L. All the rest is done with the electric actuator on the back of the transfer case.
-Charlie
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'99 4Runner SR5 Auto - 4WD swapped
'89 Camry Alltrac LE 3S-GTE 5spd
'17 Chevy Volt Premier
'16 Honda Odyssey Elite
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