Toyota 4 Runner 2003 — technical service bulletin
Bulletin 4428 · NHTSA communication 10016090 · issued Dec 3, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
1
vehicle entries
Official summary
Sfi system (1gr-fe) repair manual correction for the 2003 4runner. 00400-rm103-4u. *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.