2009 Interim Model Year Design Change - NQF Two/Four Wheel Drive Actuator Cam and Shaft
WARNING: This page is about a different car, the 2017 GMC Yukon XL, 2017 GMC Yukon, 2017 Chevrolet Tahoe, and 2017 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
Interim 2009 model year, the high/low control actuator shaft and two/four wheel drive actuator cam designs were revised with a relocation of the shaft flange. First design 2009 transfer cases were built with first design high/low control actuator shaft (5) and cam (3). Second design 2009 transfer cases were built with second design high/low control actuator shaft (5) and cam (3). When replacing a first design control actuator shaft or cam, the second design shaft (5) and cam (3) must be installed. The second design parts are the only parts available for service.