Buick Enclave 2017–2023 — technical service bulletin

Bulletin 23-NA-021 · NHTSA communication 10232157 · issued Feb 15, 2023

Technical service bulletin

communication type

Engine and Engine Cooling

component

2017–2023

model years

vehicle entries

Official summary

This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.

Vehicles covered

2018 Buick Enclave
2019 Buick Enclave
2020 Buick Enclave
2021 Buick Enclave
2022 Buick Enclave
2023 Buick Enclave
2020 Buick Encore GX
2021 Buick Encore GX
2022 Buick Encore GX
2023 Buick Encore GX
2018 Buick Envision
2019 Buick Envision
2020 Buick Envision
2021 Buick Envision
2022 Buick Envision
2023 Buick Envision
2018 Buick Lacrosse
2019 Buick Lacrosse
2018 Buick Regal
2019 Buick Regal
2020 Buick Regal
2019 Cadillac XT4
2020 Cadillac XT4
2021 Cadillac XT4
2022 Cadillac XT4
2023 Cadillac XT4
2020 Cadillac XT5
2021 Cadillac XT5
2022 Cadillac XT5
2023 Cadillac XT5
2020 Cadillac XT6
2021 Cadillac XT6
2022 Cadillac XT6
2023 Cadillac XT6
2019 Chevrolet Blazer
2020 Chevrolet Blazer
2021 Chevrolet Blazer
2022 Chevrolet Blazer
2023 Chevrolet Blazer
2017 Chevrolet Cruze
2018 Chevrolet Cruze
2019 Chevrolet Cruze
2018 Chevrolet Equinox
2019 Chevrolet Equinox
2020 Chevrolet Equinox
2017 Chevrolet Malibu
2018 Chevrolet Malibu
2019 Chevrolet Malibu
2020 Chevrolet Malibu
2021 Chevrolet Malibu
2022 Chevrolet Malibu
2021 Chevrolet Trailblazer
2022 Chevrolet Trailblazer
2023 Chevrolet Trailblazer
2018 Chevrolet Traverse
2019 Chevrolet Traverse
2020 Chevrolet Traverse
2021 Chevrolet Traverse
2022 Chevrolet Traverse
2023 Chevrolet Traverse

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.