Hummer H2 2003–2005 — technical service bulletin
Bulletin 03102005 · NHTSA communication 10014846 · issued Mar 10, 2005
Technical service bulletin
communication type
Structure
component
2003–2005
model years
3
vehicle entries
Official summary
The a pillar sunroof drain hose may be misrouted and water may be entering the air inlet of the hvac case. *eh
Vehicles covered
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.