Example of male thread damage caused by the use of a power tool.
Photo courtesy of Mitchell 1
Example of a nut female thread damage.
This bulletin applies to 2021-2023 Chevy Blazer and Traverse vehicles equipped with all wheel drive.
Damage to the wheel drive shaft threads has been seen in warranty due to the use of power tools to remove the wheel drive shaft nut. Power tools should never be used to remove this hardware. Use hand tools only.
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety ofspecialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.
