Toyota Avalon 2005–2008 — technical service bulletin
Bulletin 01607 · NHTSA communication 10024009 · issued Dec 21, 2007
Technical service bulletin
communication type
Visibility
component
2005–2008
model years
4
vehicle entries
Official summary
Knocking noise from front of moon roof. *nj
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.