Buick Encore GX 2020–2022 — technical service bulletin
Bulletin 20-NA-084 · NHTSA communication 10209957 · issued Mar 31, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2022
model years
5
vehicle entries
Official summary
This service bulletin provides information on normal engine characteristics/noise produced by the LIH 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.