Hyundai Sonata 2011–2014 — technical service bulletin
Bulletin 5NP-U7X3S-09 · NHTSA communication 10082436 · issued May 17, 2016
Technical service bulletin
communication type
Engine
component
2011–2014
model years
4
vehicle entries
Official summary
"hyundai is providing an extended warranty for the engine short block assembly (consisting of the engine block, crankshaft and bearings, connecting rods and bearings, and pistons) on 2011 2014 sonatas."
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.