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December 1, 2013 Service bulletin

Chevrolet/gmc: the rear axle pinion nut is improperly fasten and CAN cause gear to make clicking,...

Chevrolet technical service bulletin PB-13430 for 2014 Chevrolet Silverado 1500 and 2014 GMC Sierra 1500.

Bulletin number
PB-13430
Component
Suspension: rear: axle: non-powered axle assembly
Summary
Chevrolet/gmc: the rear axle pinion nut is improperly fasten and can cause gear to make clicking, grinding, moaning or whining noises and should be refasten. Model 2014 siverado 1500, sierra 1500.

Owners of these vehicles have filed 71 complaints in the suspension category.

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