Chevrolet Trailblazer 2002–2003 — technical service bulletin
Bulletin 061903 · NHTSA communication 10003710 · issued Jun 19, 2003
Technical service bulletin
communication type
Power Train
component
2002–2003
model years
6
vehicle entries
Official summary
Unusual vibration felt at idle or at very low rpm during parking lot maneuvers. Also residence noise accompanying the vibration. *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.