Chevrolet Silverado 2500 2025–2026 — service campaign
Bulletin N252527500 · NHTSA communication 11025484 · issued Nov 12, 2025
Service campaign
communication type
Suspension
component
2025–2026
model years
4
vehicle entries
Official summary
Certain vehicles may have a condition in which the Rear Spring U-bolt fasteners are torqued below specification. Dealers are to torque both the right and left side Rear Spring U-bolt fasteners to specification.
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.