Kia Optima 2016 — technical service bulletin
Bulletin PS415R2 · NHTSA communication 10089764 · issued Jun 19, 2015
Technical service bulletin
communication type
Engine
component
2016
model years
2
vehicle entries
Official summary
Pitstop: oil intrusion into e-cvvt cover - when diagnosing a dtc related to the e-cvvt system, remove the the e-cvvt cover and check for possible oil intrusion (a). The ecvvt system utilizes two seals to prevent intrusion of oil and/or dust a seal on the cover (a) and a seal that is recessed in the ecvvt. If oil is found inside the cover; the cover, the oil seal within the e-cvvt assembly and the e-cvvt assembly should be replaced. Follow the instructions listed in the service information, and in the video link below, to properly install the oil seal to the correct depth and align the cover.
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.