Chevrolet Silverado 2007–2013 — technical service bulletin
Bulletin PIP4885F · NHTSA communication 10112463 · issued Oct 11, 2012
Technical service bulletin
communication type
Power Train
component
2007–2013
model years
21
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the vehicle in four wheel drive. Driving on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for an extended period of time may cause premature wear on your vehicle's power train. Dealer should advise the customer not drive on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for extended periods of time.
Vehicles covered
- 2007 Chevrolet Silverado
- 2008 Chevrolet Silverado
- 2009 Chevrolet Silverado
- 2010 Chevrolet Silverado
- 2011 Chevrolet Silverado
- 2012 Chevrolet Silverado
- 2013 Chevrolet Silverado
- 2007 GMC Sierra
- 2008 GMC Sierra
- 2009 GMC Sierra
- 2010 GMC Sierra
- 2011 GMC Sierra
- 2012 GMC Sierra
- 2013 GMC Sierra
- 2007 GMC Sierra Denali
- 2008 GMC Sierra Denali
- 2009 GMC Sierra Denali
- 2010 GMC Sierra Denali
- 2011 GMC Sierra Denali
- 2012 GMC Sierra Denali
- 2013 GMC Sierra Denali
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.