Buick Lacrosse 2016–2019 — technical service bulletin
Bulletin 18NA163 · NHTSA communication 10178952 · issued Jul 23, 2020
Technical service bulletin
communication type
Suspension
component
2016–2019
model years
7
vehicle entries
Official summary
This technical bulletin provides a procedure to correct the condition of Front End Rattle Noise when Braking Moderate or Hard on Rough Surfaces.
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.