Buick Enclave 2026 — service campaign
Bulletin N252540910 · NHTSA communication 11028911 · issued Feb 19, 2026
Service campaign
communication type
Engine
component
2026
model years
3
vehicle entries
Official summary
Service Update. Certain vehicles listed above may have a condition in which a quality issue with the engine was identified. Dealers will replace the engine.
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.