Buick Enclave 2012–2017 — technical service bulletin
Bulletin 20NA205 · NHTSA communication 10183204 · issued Oct 23, 2020
Technical service bulletin
communication type
Equipment
component
2012–2017
model years
18
vehicle entries
Official summary
This technical bulletin provides a procedure to inspect and verify if the knocking noise is coming from the intake manifold.
Vehicles covered
- 2012 Buick Enclave
- 2013 Buick Enclave
- 2014 Buick Enclave
- 2015 Buick Enclave
- 2016 Buick Enclave
- 2017 Buick Enclave
- 2012 Chevrolet Traverse
- 2013 Chevrolet Traverse
- 2014 Chevrolet Traverse
- 2015 Chevrolet Traverse
- 2016 Chevrolet Traverse
- 2017 Chevrolet Traverse
- 2012 GMC Acadia
- 2013 GMC Acadia
- 2014 GMC Acadia
- 2015 GMC Acadia
- 2016 GMC Acadia
- 2017 GMC Acadia
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.