Customer satisfaction
Chevrolet technical service bulletin PB-13430 for 2014 Chevrolet Silverado 1500 and 2014 GMC Sierra 1500.
- Bulletin number
- PB-13430
- Component
- Power train
- Summary
- "13430 - customer satisfaction. Certain vehicles, equipped with a 3.73 rear axle ratio (gt4) and locking rear differential (g80), may have a rear axle pinion nut that is improperly fastened. This could cause a gear whine, clicking, grinding, or a moan noise from the rear axle. Dealers are to refasten the pinion nut."
Owners of these vehicles have filed 223 complaints in the transmission category.
Vehicles covered
- Chevrolet Silverado 1500 2014 2014
- GMC Sierra 1500 2014 2014
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