Chevrolet Cavalier 1999–2000 — technical service bulletin
Bulletin 000604053 · NHTSA communication 618142 · issued Dec 1, 2000
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999–2000
model years
8
vehicle entries
Official summary
Some owners may comment on a hiss noise at closed throttle only. It may sound similar to a belt noise or a power steering pump noise when it is cold. *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.