Chevrolet Silverado 2500 2026 — service campaign
Bulletin N262567720 · NHTSA communication 11037330 · issued Sep 17, 2026
Service campaign
communication type
Power Train
component
2026
model years
4
vehicle entries
Official summary
Certain vehicles may have received transmission mounting bolts that do not meet expected hardness specifications. Loose or failed bolts may result in hard shifting from the transmission and/or noise. Dealers will replace both transmission mounting bolts.
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.