Chevrolet Cavalier 1997–2000 — technical service bulletin
Bulletin 990138003 · NHTSA communication 608380 · issued Sep 1, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997–2000
model years
8
vehicle entries
Official summary
Some vehicles with 2.2l engines may exhibit a engine / transmission whine at 2800 - 32000 rpm. *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.