Nissan Altima 2002 — technical service bulletin
Bulletin NTB02037 · NHTSA communication 631338 · issued Mar 28, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2002
model years
1
vehicle entries
Official summary
Subject regarding buzz noise at 2500 - 2700 rpm, moderate load. *jg
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.