Hummer H3 2006–2010 — technical service bulletin
Bulletin PIE0354 · NHTSA communication 10116885 · issued Feb 11, 2016
Technical service bulletin
communication type
Engine and Engine Cooling
component
2006–2010
model years
5
vehicle entries
Official summary
This engineering informational bulletin is requesting information from the field of vehicles that have the conditon of coolant leak from 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.