Chevrolet Blazer 2007–2024 — technical service bulletin
Bulletin 19-NA-256 · NHTSA communication 10246483 · issued Nov 29, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007–2024
model years
60
vehicle entries
Official summary
This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
Vehicles covered
- 2019 Chevrolet Blazer
- 2020 Chevrolet Blazer
- 2021 Chevrolet Blazer
- 2022 Chevrolet Blazer
- 2023 Chevrolet Blazer
- 2024 Chevrolet Blazer
- 2010 Chevrolet Camaro
- 2011 Chevrolet Camaro
- 2012 Chevrolet Camaro
- 2013 Chevrolet Camaro
- 2014 Chevrolet Camaro
- 2015 Chevrolet Camaro
- 2016 Chevrolet Camaro
- 2017 Chevrolet Camaro
- 2018 Chevrolet Camaro
- 2019 Chevrolet Camaro
- 2020 Chevrolet Camaro
- 2021 Chevrolet Camaro
- 2022 Chevrolet Camaro
- 2023 Chevrolet Camaro
- 2024 Chevrolet Camaro
- 2012 Chevrolet Caprice Police Pursuit
- 2013 Chevrolet Caprice Police Pursuit
- 2012 Chevrolet Captiva Sport
- 2013 Chevrolet Captiva Sport
- 2014 Chevrolet Captiva Sport
- 2015 Chevrolet Colorado
- 2016 Chevrolet Colorado
- 2017 Chevrolet Colorado
- 2018 Chevrolet Colorado
- 2019 Chevrolet Colorado
- 2020 Chevrolet Colorado
- 2021 Chevrolet Colorado
- 2022 Chevrolet Colorado
- 2008 Chevrolet Equinox
- 2009 Chevrolet Equinox
- 2010 Chevrolet Equinox
- 2011 Chevrolet Equinox
- 2012 Chevrolet Equinox
- 2013 Chevrolet Equinox
- 2014 Chevrolet Equinox
- 2015 Chevrolet Equinox
- 2016 Chevrolet Equinox
- 2017 Chevrolet Equinox
- 2012 Chevrolet Impala
- 2013 Chevrolet Impala
- 2014 Chevrolet Impala
- 2015 Chevrolet Impala
- 2016 Chevrolet Impala
- 2017 Chevrolet Impala
- 2018 Chevrolet Impala
- 2019 Chevrolet Impala
- 2020 Chevrolet Impala
- 2008 Chevrolet Malibu
- 2009 Chevrolet Malibu
- 2010 Chevrolet Malibu
- 2011 Chevrolet Malibu
- 2012 Chevrolet Malibu
- 2009 Chevrolet Traverse
- 2010 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.