Buick Terraza 2005–2025 — technical service bulletin
Bulletin PIP6057 · NHTSA communication 11016987 · issued Apr 12, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2005–2025
model years
2
vehicle entries
Official summary
This preliminary information discusses a possible moan noise from the rear axle , engineering is reviewing the concern.
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.