Buick Enclave 2018–2022 — technical service bulletin
Bulletin PIP5681C · NHTSA communication 10211780 · issued Apr 27, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2022
model years
10
vehicle entries
Official summary
This Preliminary information communicates a poor weld or low weld adhesion for the bracket on the Bank 2 front exhaust pipe causing multiple possible concerns and the recommended repairs. Added 2020 MY. Added 2021 Model Year and added all possible affected countries. Corrected direction and add 2022 MY.
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.