Vinfast VF 8 2023 — technical service bulletin
Bulletin 8-23-NA-35-004 · NHTSA communication 10237584 · issued Jun 7, 2023
Technical service bulletin
communication type
Equipment
component
2023
model years
1
vehicle entries
Official summary
Rework on coolant hoses for cabin cooling performance increase.
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.