Buick Allure 2005–2023 — technical service bulletin

Bulletin 20-NA-138 · NHTSA communication 10227241 · issued Nov 18, 2022

Technical service bulletin

communication type

Engine and Engine Cooling

component

2005–2023

model years

vehicle entries

Official summary

This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.

Vehicles covered

2006 Buick Allure
2007 Buick Allure
2008 Buick Allure
2009 Buick Allure
2016 Buick Cascada
2017 Buick Cascada
2018 Buick Cascada
2019 Buick Cascada
2005 Buick Century
2008 Buick Enclave
2009 Buick Enclave
2010 Buick Enclave
2011 Buick Enclave
2012 Buick Enclave
2013 Buick Enclave
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
2013 Buick Encore
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
2020 Buick Encore GX
2021 Buick Encore GX
2022 Buick Encore GX
2023 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
2005 Buick Lacrosse
2006 Buick Lacrosse
2007 Buick Lacrosse
2008 Buick Lacrosse
2009 Buick Lacrosse
2010 Buick Lacrosse
2011 Buick Lacrosse
2012 Buick Lacrosse
2013 Buick Lacrosse
2014 Buick Lacrosse
2015 Buick Lacrosse
2016 Buick Lacrosse

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.