Buick Lacrosse 2016–2021 — technical service bulletin
Bulletin 19NA020 · NHTSA communication 10181678 · issued Sep 11, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2021
model years
40
vehicle entries
Official summary
This informational bulletin provides information on the new oil filter UPF63R to be used on the HFV6 Engines.
Vehicles covered
- 2017 Buick Lacrosse
- 2018 Buick Lacrosse
- 2019 Buick Lacrosse
- 2018 Buick Regal
- 2019 Buick Regal
- 2020 Buick Regal
- 2016 Cadillac Ats
- 2017 Cadillac Ats
- 2018 Cadillac Ats
- 2019 Cadillac Ats
- 2016 Cadillac CT6
- 2017 Cadillac CT6
- 2018 Cadillac CT6
- 2019 Cadillac CT6
- 2020 Cadillac CT6
- 2016 Cadillac CTS
- 2017 Cadillac CTS
- 2018 Cadillac CTS
- 2019 Cadillac CTS
- 2017 Cadillac XT5
- 2018 Cadillac XT5
- 2019 Cadillac XT5
- 2020 Cadillac XT5
- 2021 Cadillac XT5
- 2020 Cadillac XT6
- 2021 Cadillac XT6
- 2019 Chevrolet Blazer
- 2020 Chevrolet Blazer
- 2021 Chevrolet Blazer
- 2016 Chevrolet Camaro
- 2017 Chevrolet Camaro
- 2018 Chevrolet Camaro
- 2019 Chevrolet Camaro
- 2020 Chevrolet Camaro
- 2021 Chevrolet Camaro
- 2017 GMC Acadia
- 2018 GMC Acadia
- 2019 GMC Acadia
- 2020 GMC Acadia
- 2021 GMC Acadia
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.