Acura CL 1999–2003 — technical service bulletin
Bulletin 1003 · NHTSA communication 10004957 · issued Oct 16, 2003
Technical service bulletin
communication type
Power Train
component
1999–2003
model years
8
vehicle entries
Official summary
Humming, growling sound from transmission. *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.