{"nhtsa_id":10005847,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-03-17","date":"2004-01-22","document_id":"375","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR","mfr_system":null,"summary":"BRAKE VALVE ISSUES. SEALCO NOTICE OF DEFECT FROM GREAT DANE, SEALCO SERVICE BULLETIN AND SEALCO'S NOTIFICATION LETTER TO GREAT DANE TRAILER CUSTOMERS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10005847","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"SEALCO","model":"BRAKE VALVE","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":[]}