{"nhtsa_id":616637,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-03-07","date":"2001-01-05","document_id":"SB610005","mfr_campaign":null,"replaces":null,"component":"STRUCTURE:BODY","mfr_system":null,"summary":"SOME VEHICLES MAY EXPERIENCE A WIND TUNNEL-TYPE RUMBLE / NOISE ON CERTAIN MODEL CHASSIS EQUIPPED WITH A HIGH RISE SLEEPER. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/616637","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CX","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":[]}