Chevrolet Cavalier 2004 — technical service bulletin
Bulletin 030730025 · NHTSA communication 10002889 · issued Jun 1, 2003
Technical service bulletin
communication type
Power Train
component
2004
model years
5
vehicle entries
Official summary
2004 model year changes for 4t40e and 4t45e transmissions. *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.