Chevrolet Silverado 2007–2012 — technical service bulletin
Bulletin PI-0310 · NHTSA communication 10037409 · issued Nov 1, 2013
Technical service bulletin
communication type
Power Train
component
2007–2012
model years
12
vehicle entries
Official summary
Gm: there are transmission problems that include trouble shifting and noises. There may be serpentine belt problems causing it. *rm updated on 06/27/2011. *kb updated 3/12/12. *pe updated 1/2/14. *pe *pe
Vehicles covered
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.