Hummer H2 2003–2005 — technical service bulletin
Bulletin 040601034 · NHTSA communication 10013435 · issued Jan 1, 2005
Technical service bulletin
communication type
Equipment
component
2003–2005
model years
3
vehicle entries
Official summary
Instructions to be followed to aid in obtaining root cause analysis on both oem and goodwrench engines transmissions and transfer cases. This includes 2005 and prior gm passenger cars and trucks. *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.