Oldsmobile Alero 1999 — technical service bulletin
Bulletin 831612 · NHTSA communication 604347 · issued Feb 1, 1999
Technical service bulletin
communication type
Structure
component
1999
model years
2
vehicle entries
Official summary
Concerns about improper fit or gap between headliner and sunroff opening molding. *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.