Automatic all wheel drive with 2wd, and 4wd lock modes and low gear. NVG 246 "AutoTrac" four wheel drive system. 2Hi, Auto 4wd (100% of torque is transferred to rear wheels until it detects a need for extra traction. Dry multi-plate clutch is used to transfer torque to the front), 4Hi (50/50 split), 4Lo, all button activated. 2.72:1 low range gear.(3,73 optional).
GM's 10 bolt IFS front with Central Axle Disconnect (CAD)
GM's corporate 10-bolt live axle with g80 limited slip (opt) and 3.73:1 gears.
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2 versions can be used: manually actuated part-time 4wd or "AutoTrac" (See Chevy Tahoe)
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Torsen T3 center differential (? Source)
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