Hummer H2 2003–2004 — technical service bulletin
Bulletin 08182004 · NHTSA communication 10013053 · issued Aug 18, 2004
Technical service bulletin
communication type
Suspension
component
2003–2004
model years
2
vehicle entries
Official summary
Single rear air suspension compressor discontinued and is replaced with the dual air compressor used on the 2005 model. *tt
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.