Chevrolet TSB #N202319660 01
2021 Chevrolet Suburban
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- Summary
- Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin.