Kia Optima 2011–2013 — technical service bulletin
Bulletin TSBENG201 · NHTSA communication 10156535 · issued Mar 19, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2013
model years
3
vehicle entries
Official summary
TSB: THETA ENGINE SERVICE KIT - This bulletin provides the procedure to install the Theta Engine Service Kit on 21101 2GK05QQKR engines for 2011-2013MY Optima (QF, TF) vehicles. Due to process changes, certain components of these assemblies were not installed during the manufacturing process.
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.