Kia Optima 2015 — technical service bulletin
Bulletin TSB-ENG143R1 · NHTSA communication 10109759 · issued Sep 18, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015
model years
2
vehicle entries
Official summary
TSB: SERVICE ACTION: ENGINE CRANKSHAFT PULLEY AND BOLT REPLACEMENT (SA170) - This bulletin provides the information to replace the crankshaft pulley and crankshaft bolt on some 2015MY Optima (QF) and 2015MY Sorento (XMa) vehicles, produced from June 30, 2014 through July 14, 2014 and equipped with 2.4L Theta engines.
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.