Saturn LS 2000–2002 — technical service bulletin
Bulletin 02T22 · NHTSA communication 631308 · issued Apr 1, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000–2002
model years
3
vehicle entries
Official summary
Information regarding whistle noise under certain engine operating conditions.*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.