Kia Optima 2015 — technical service bulletin
Bulletin TSB-143REV1 · NHTSA communication 10056507 · issued Sep 1, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015
model years
2
vehicle entries
Official summary
Kia: information on replacing crankshaft pulley and crankshaft bolt, on some vehicles, that are exhibiting an oil leak or have engine noises coming from front crankshaft pulley due to excessive material on tip of crankshaft. Model 2015 optima, sorento. *pe updated 03/27/15 *lj
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.