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RecallGazette

Vehicle problems, recalls & safety intelligence

Chevrolet 3500 2017–2022technical service bulletin

Bulletin 18NA150 · NHTSA communication 10212608 · issued Jan 7, 2022

Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2022
model years
60
vehicle entries

Official summary

This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

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.