Scion TC 2007–2015 — technical service bulletin
Bulletin S-TT-0098-15 · NHTSA communication 10134250 · issued Sep 30, 2015
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007–2015
model years
12
vehicle entries
Official summary
TT: ? Based on current part order allocation, some piston types have been incorrectly identified while undergoing the ZE7 2AZ Oil Consumption repair procedure. ? Replacement pistons for ZE7 should be ordered based on the pistons removed from existing cylinder block and no longer by measurement. ? This Tech Tip includes information regarding production allocation and instructions for identifying piston type on subject engines. This will be published in the next revision of S-SB-0024-11.
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.