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July 14, 2015 Service bulletin

Wheels: lugs/nuts/bolts/studs

Chevrolet technical service bulletin PIP4648C for 2007-2011, 2014 Chevrolet Silverado 1500, 2007-2016 Chevrolet Tahoe and 2014 GMC Sierra 1500 and others.

Bulletin number
PIP4648C
Component
Wheels: lugs/nuts/bolts/studs
Summary
This Preliminary Information communication provides information to the technician that replacement transfer case halves will not be threaded. No additional thread tapping will be necessary to assemble the transfer case as the attaching metric bolts are self-tapping. Drive the bolts into the new case and torque them to specification.

Owners of these vehicles have filed 171 complaints in the wheels category.

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