Chevrolet Bolt EV 2017–2020 — technical service bulletin
Bulletin 17NA299 · NHTSA communication 10183144 · issued Oct 9, 2020
Technical service bulletin
communication type
Tires
component
2017–2020
model years
4
vehicle entries
Official summary
This informational bulletin explains the self seal tires and whats required to fix a hole that would be too big for the tire to seal itself.
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.