{"nhtsa_id":10250780,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-02-29","date":"2024-02-20","document_id":"23-NA-186","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This bulletin advises of a new vacuum pump and pulley and a new way to route and secure the vacuum hose.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10250780-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10250780-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10250780","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"3500","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_chevrolet_3500"]},{"make":"CHEVROLET","model":"3500","year_from":2017,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"3500","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_chevrolet_3500"]},{"make":"CHEVROLET","model":"3500","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"3500","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_chevrolet_3500"]},{"make":"CHEVROLET","model":"4500","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_chevrolet_4500"]},{"make":"CHEVROLET","model":"4500","year_from":2017,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"4500","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_chevrolet_4500"]},{"make":"CHEVROLET","model":"4500","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_chevrolet_4500"]},{"make":"CHEVROLET","model":"LOW CAB FORWARD 3500","year_from":2016,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"LOW CAB FORWARD 3500","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"LOW CAB FORWARD 4500","year_from":2016,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"LOW CAB FORWARD 4500","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"LOW CAB FORWARD 5500","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]}],"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":[]}