{"nhtsa_id":11026531,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-12-10","date":"2025-12-01","document_id":"WTY039_TSB_R6","mfr_campaign":"WTY039","replaces":null,"component":"ENGINE","mfr_system":"ENG","summary":"TECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY039 REVISION 6) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information associated with the ‘Warranty Extension Program’ (WTY039) to diagnose a coolant leak from the cylinder head gasket area and, if necessary, replace the engine sub assembly on 2014-2015 MY Sorento, 2014-2017 MY Cadenza, and 2015-2016 MY Sedona vehicles, equipped with 3.3L GDI engines. The warranty coverage for repairs related to the cylinder head gasket will be extended from 5 years / 60,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026531-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11026531-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11026531","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"CADENZA","year_from":2014,"year_to":2017,"match":"exact","vehicle_ids":["2014_kia_cadenza","2015_kia_cadenza","2016_kia_cadenza","2017_kia_cadenza"]},{"make":"KIA","model":"SEDONA","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_kia_sedona","2016_kia_sedona"]},{"make":"KIA","model":"SORENTO","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_kia_sorento","2015_kia_sorento"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}