Chevrolet Cavalier 1998–2001 — technical service bulletin
Bulletin 010601004 · NHTSA communication 618071 · issued Jan 1, 2001
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998–2001
model years
8
vehicle entries
Official summary
Exhibiting a loud hoot / whistling noise at start up during cold ambient temperature. *jb
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.