{"nhtsa_id":11013374,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-03","date":"2022-01-22","document_id":"SC-21-159","mfr_campaign":"SC-21-159","replaces":null,"component":"SERVICE BRAKES","mfr_system":null,"summary":"Transit bus bulletin to install snorkel to air compressor to prevent water and road grim from entering the intake.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-11013374-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-11013374-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11013374","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PROTERRA","model":"CATALYST","year_from":2019,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"PROTERRA","model":"ZX5","year_from":2021,"year_to":2022,"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":[]}