Toyota Prius 2004–2007 — technical service bulletin
Bulletin SB-120120 · NHTSA communication 10042966 · issued Dec 1, 2011
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004–2007
model years
4
vehicle entries
Official summary
Toyota: see document search button for owner letter. Information regarding water pump replacement, on some electric hybrid vehicles, which causes slowness of the pump actuation. *pe
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.