Hummer H3 2006–2010 — technical service bulletin
Bulletin PIE0354A · NHTSA communication 10108597 · issued Jul 17, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2006–2010
model years
5
vehicle entries
Official summary
This engineering informational bulletin ends the need for information from the field on vehicles with the condition of a leaking radiator.
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.