Chevrolet Silverado 2011 — technical service bulletin
Bulletin SB-11159 · NHTSA communication 10038769 · issued May 1, 2011
Technical service bulletin
communication type
Unknown OR Other
component
2011
model years
2
vehicle entries
Official summary
Gm: 2011 sierra/silverado.two welds may be missing from the bottom of the truck box and under loads the remaining welds may fracture. *rm
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.