{"nhtsa_id":10231101,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-02-06","date":"2023-01-12","document_id":"E303","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This campaign is the final opportunity to replace the oil filter screw cap to reduce occurrences of broken bypass valve tabs. Broken oil valve tabs can cause oil flow obstruction to critical engine parts, resulting in serious engine damage. Customers that do not receive this repair may be responsible for progressive engine damage caused by broken oil bypass valve tabs.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231101-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231101-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10231101","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T680","year_from":2018,"year_to":2021,"match":"exact","vehicle_ids":["2018_kenworth_t680","2019_kenworth_t680","2020_kenworth_t680","2021_kenworth_t680"]},{"make":"KENWORTH","model":"T800","year_from":2018,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800B","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T880","year_from":2018,"year_to":2021,"match":"exact","vehicle_ids":["2018_kenworth_t880","2019_kenworth_t880","2020_kenworth_t880","2021_kenworth_t880"]},{"make":"KENWORTH","model":"T880B","year_from":2018,"year_to":2021,"match":"base","vehicle_ids":["2018_kenworth_t880","2019_kenworth_t880","2020_kenworth_t880","2021_kenworth_t880"]},{"make":"KENWORTH","model":"W900","year_from":2018,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"W990","year_from":2018,"year_to":2021,"match":"exact","vehicle_ids":["2018_kenworth_w990","2019_kenworth_w990","2020_kenworth_w990","2021_kenworth_w990"]},{"make":"PETERBILT","model":"536","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"PETERBILT","model":"537","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"PETERBILT","model":"548","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"PETERBILT","model":"567","year_from":2018,"year_to":2021,"match":"exact","vehicle_ids":["2018_peterbilt_567","2019_peterbilt_567","2020_peterbilt_567","2021_peterbilt_567"]},{"make":"PETERBILT","model":"579","year_from":2018,"year_to":2021,"match":"exact","vehicle_ids":["2018_peterbilt_579","2019_peterbilt_579","2020_peterbilt_579","2021_peterbilt_579"]},{"make":"PETERBILT","model":"587","year_from":2018,"year_to":2021,"match":"exact","vehicle_ids":["2018_peterbilt_587","2019_peterbilt_587","2020_peterbilt_587","2021_peterbilt_587"]}],"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":[]}