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RecallGazette

Vehicle problems, recalls & safety intelligence

Chevrolet 6500 2017–2023technical service bulletin

Bulletin 23-NA-032 · NHTSA communication 10233347 · issued Mar 6, 2023

Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2023
model years
60
vehicle entries

Official summary

The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.

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.