Chevrolet Cruze 2017–2019 — technical service bulletin
Bulletin 17NA334 · NHTSA communication 10187377 · issued Dec 8, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2019
model years
7
vehicle entries
Official summary
This informational bulletin explains a normal condition caused by exhaust soot blowing by the VGT pivot seal.
Vehicles covered
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.