{"nhtsa_id":10206881,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-02-04","date":"2022-01-25","document_id":"TSB_ENG235","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)","mfr_system":null,"summary":"TECHNICAL SERVICE BULLETIN: AIR INTAKE SYSTEM CLEANING, PCV VALVE & AIR FILTER REPLACEMENT DUE TO OIL CONTAMINATION - This bulletin provides information regarding the air intake system which may become contaminated with oil due to a faulty Positive Crankcase Ventilation (PCV) check valve on some 2021-2022MY Sorento (MQ4a) vehicles equipped with Theta III 2.5L T-GDI engine, produced from September 10, 2020 through October 2, 2021, which may allow engine oil to enter the air intake system and contaminate the engine air filter with oil.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10206881-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10206881-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10206881","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"pcv","name":"Crankcase ventilation (PCV)","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"SORENTO","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_kia_sorento","2022_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":[]}