Chevrolet Colorado 2023 — technical service bulletin
Bulletin N232415060 · NHTSA communication 10250502 · issued Feb 20, 2024
Technical service bulletin
communication type
Engine and Engine Cooling
component
2023
model years
3
vehicle entries
Official summary
Customer Satisfaction Program - Certain vehicles may have a condition in which the engine block was produced with cracks. Dealers are to replace the engine.
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.