Toyota Sienna 2004–2005 — technical service bulletin
Bulletin TC04016 · NHTSA communication 10010603 · issued Oct 13, 2004
Technical service bulletin
communication type
Steering
component
2004–2005
model years
2
vehicle entries
Official summary
Limited service campaign 40h to replace the power steering fluid return hoses. Technical instructions; dealership and owner notification. *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.