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November 13, 2014 Service bulletin

Power train: transfer case (4-wheel drive)

Chevrolet technical service bulletin PIP5245 for 2015 Chevrolet Silverado 2500, 2015 GMC Sierra 2500 and 2015 GMC Sierra Denali.

Bulletin number
PIP5245
Component
Power train: transfer case (4-wheel drive)
Summary
This Preliminary Information communication provides information to the technician on how to diagnose vehicles with various noises associated with four wheel drive operation. Before beginning any diagnosis it is imperative to review the Symptoms - Transfer Case in Service Information and perform the necessary inspections. In all cases the complaint vehicle should be compared to another like vehicle before beginning any repairs.

Owners of these vehicles have filed 33 complaints in the transmission category.

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