Buick Cascada 2014–2025 — technical service bulletin

Bulletin 23-NA-141 · NHTSA communication 11007155 · issued Aug 8, 2024

Technical service bulletin

communication type

Engine

component

2014–2025

model years

vehicle entries

Official summary

This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.

Vehicles covered

2016 Buick Cascada
2017 Buick Cascada
2018 Buick Cascada
2019 Buick Cascada
2014 Buick Enclave
2015 Buick Enclave
2016 Buick Enclave
2017 Buick Enclave
2018 Buick Enclave
2019 Buick Enclave
2020 Buick Enclave
2021 Buick Enclave
2022 Buick Enclave
2023 Buick Enclave
2024 Buick Enclave
2025 Buick Enclave
2014 Buick Encore
2015 Buick Encore
2016 Buick Encore
2017 Buick Encore
2018 Buick Encore
2019 Buick Encore
2020 Buick Encore
2021 Buick Encore
2022 Buick Encore
2023 Buick Encore
2024 Buick Encore
2025 Buick Encore
2020 Buick Encore GX
2021 Buick Encore GX
2022 Buick Encore GX
2023 Buick Encore GX
2024 Buick Encore GX
2016 Buick Envision
2017 Buick Envision
2018 Buick Envision
2019 Buick Envision
2020 Buick Envision
2021 Buick Envision
2022 Buick Envision
2023 Buick Envision
2024 Buick Envision
2024 Buick Envista
2025 Buick Envista
2014 Buick Lacrosse
2015 Buick Lacrosse
2016 Buick Lacrosse
2017 Buick Lacrosse
2018 Buick Lacrosse
2019 Buick Lacrosse
2020 Buick Lacrosse
2014 Buick Regal
2015 Buick Regal
2016 Buick Regal
2017 Buick Regal
2018 Buick Regal
2019 Buick Regal
2020 Buick Regal
2018 Buick Regal Tourx
2020 Buick Regal Tourx

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.