Toyota Matrix 2003–2005 — technical service bulletin
Bulletin 4543B · NHTSA communication 10015667 · issued Apr 4, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003–2005
model years
3
vehicle entries
Official summary
Engine mechanical - partial engine assy (1zz-fe) repair manual correction. 00400-rm110-8u2. *tt 00400-rm103-8u2. *tt 00400-rm940-u2. *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.