Buick Cascada 2015–2021 — technical service bulletin

Bulletin 18NA073 · NHTSA communication 10194081 · issued Apr 13, 2021

Technical service bulletin

communication type

Equipment

component

2015–2021

model years

vehicle entries

Official summary

This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

Vehicles covered

2016 Buick Cascada
2017 Buick Cascada
2018 Buick Cascada
2019 Buick Cascada
2015 Buick Enclave
2016 Buick Enclave
2017 Buick Enclave
2018 Buick Enclave
2019 Buick Enclave
2020 Buick Enclave
2021 Buick Enclave
2015 Buick Encore
2016 Buick Encore
2017 Buick Encore
2018 Buick Encore
2019 Buick Encore
2020 Buick Encore
2021 Buick Encore
2020 Buick Encore GX
2021 Buick Encore GX
2016 Buick Envision
2017 Buick Envision
2018 Buick Envision
2019 Buick Envision
2020 Buick Envision
2021 Buick Envision
2015 Buick Lacrosse
2016 Buick Lacrosse
2017 Buick Lacrosse
2018 Buick Lacrosse
2019 Buick Lacrosse
2015 Buick Regal
2016 Buick Regal
2017 Buick Regal
2018 Buick Regal
2019 Buick Regal
2020 Buick Regal
2015 Buick Verano
2016 Buick Verano
2017 Buick Verano
2015 Cadillac Ats
2016 Cadillac Ats
2017 Cadillac Ats
2018 Cadillac Ats
2019 Cadillac Ats
2020 Cadillac CT4
2021 Cadillac CT4
2020 Cadillac CT5
2021 Cadillac CT5
2016 Cadillac CT6
2017 Cadillac CT6
2018 Cadillac CT6
2019 Cadillac CT6
2020 Cadillac CT6
2015 Cadillac CTS
2016 Cadillac CTS
2017 Cadillac CTS
2018 Cadillac CTS
2019 Cadillac CTS
2015 Cadillac Elr

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.