All Wheel Drive Encyclopedia

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Cadillac

Escalade 1999 - Automatic all wheel drive with 2wd, and 4wd lock modes and low gear. Based on Tahoe/Yukon/Denali platform. 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 - dry multi-plate clutch is locked), 4Lo (2.72:1 low range gear). All 4wd modes are button activated.


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There is 1 comment
George
October 31, 2009 - 21:43
Subject:

The Escalade was upgraded to the NV149 transfer case for the second generation.
www.rsgear.com

and the third generation lost the viscous coupling clutch on the center differential.

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