Toyota Sienna 2007–2010 — technical service bulletin
Bulletin TC-10-032 · NHTSA communication 10034047 · issued Jul 9, 2010
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007–2010
model years
4
vehicle entries
Official summary
Toyota service campaign: see document search button for owner letter. On certain vehicles equipped with a 2gr-fe (v6) engine, the rubber portion of the oil supply hose for the vvt-i actuator may degrade over time. This condition may cause oil to leak from the vvt-i oil hose producing abnormal engine noise and the oil pressure light to illuminate. Csc letter was rec'd. *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.