{"nhtsa_id":10244489,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-11-10","date":"2023-10-18","document_id":"E306","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, DIESEL","mfr_system":null,"summary":"PACCAR MX-11 & MX-13 EPA2021 Fuel Filter Drain & Change Info Incorrect fuel filter drain and replacement procedures on EPA21 MX-11 and MX-13 engines can result in the following Debris and contaminants introduced into the high-pressure fuel system. Denial of warranty claims for injector and/or fuel system faults. Misfire, rough running, engine knock, and other associated faults and symptoms. Correct fuel filter procedures are outlined in attached service documentation.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10244489-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10244489-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10244489","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T680","year_from":2021,"year_to":2024,"match":"exact","vehicle_ids":["2021_kenworth_t680","2022_kenworth_t680","2023_kenworth_t680","2024_kenworth_t680"]},{"make":"KENWORTH","model":"T880","year_from":2021,"year_to":2024,"match":"exact","vehicle_ids":["2021_kenworth_t880","2022_kenworth_t880","2023_kenworth_t880","2024_kenworth_t880"]},{"make":"KENWORTH","model":"T880B","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_kenworth_t880"]},{"make":"KENWORTH","model":"W990","year_from":2021,"year_to":2024,"match":"exact","vehicle_ids":["2021_kenworth_w990","2022_kenworth_w990","2023_kenworth_w990","2024_kenworth_w990"]}],"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":[]}