{"nhtsa_id":611202,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-05-31","date":"1999-09-24","document_id":"000199926701","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:OTHER:LABELS","mfr_system":null,"summary":"INFORMATION ON PRODUCT IMPROVEMENT CAMPAIGN 521-CARRIER CLAMP PLATE INSPECTION. *MJS","document":null,"url":"https://open.wenmarpro.com/bulletins/611202","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"labels-manuals","name":"Labels and manuals","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"MACK","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":[]}