Buick Rainier 2002–2004 — technical service bulletin
Bulletin 040866004 · NHTSA communication 10012538 · issued Jun 1, 2004
Technical service bulletin
communication type
Structure
component
2002–2004
model years
7
vehicle entries
Official summary
Liftgate glass unlatches on rough/bumpy road surfaces. This bulletin replaces previous bulletin number 04-08-66-004. *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.