Toyota 4 Runner 2003 — technical service bulletin
Bulletin 01203 · NHTSA communication 10018229 · issued Jul 3, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
1
vehicle entries
Official summary
Accessory drive belt noise. *ak
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.