Scion TC 2005–2007 — technical service bulletin
Bulletin S-SB-0004-11 · NHTSA communication 10037584 · issued Mar 2, 2011
Technical service bulletin
communication type
Engine and Engine Cooling
component
2005–2007
model years
3
vehicle entries
Official summary
Toyota: there may be damaged cylinder head bolts threads. There is a process to repair them. 2005-2007 tc. *rm
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.