{"nhtsa_id":10032344,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-03-10","date":"2008-01-11","document_id":"SC-335","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE","mfr_system":null,"summary":"MACK TRUCKS: INTERNAL CHECK VALVE AND SUPPLY PORT CHECK VALVE REPLACEMENT - BENDIX SR-7 SPRING BRAKE MODULATING RELAY VALVE. MODELS CXU, CXP, CXN, CHU, CHN, GU, CTP, CT, CV, MRU AND LEU BETWEEN 11/4/05-5/1/07. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032344","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENDIX","model":"SR-7","year_from":null,"year_to":null,"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":[]}