{"nhtsa_id":604084,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-04-08","date":"1999-01-01","document_id":"56301","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL/VALVE","mfr_system":null,"summary":"SERVICE PROCEDURES REGARDING E-12 FOOT BRAKE VALVE LEAK TEST. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/604084","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"VOLVO","model":"VN","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":[]}