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International Automotive Technicians Network
Re: 01 GMC Yukon XL Denali AWD binding w/hot
Posted to Technical Discussion Forum on 9/15/2008

John: This thing has a NVG 149 NP single speed, single mode, automatic transfer case. The mode is full-time all wheel drive. It has a planetary differential gear set that splits the torque, usually 38% to the front wheels abd 62% to the rear wheels.

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