{"nhtsa_id":10082812,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-10-18","date":"2016-08-04","document_id":"FSB 252-034","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"CAB MOUNTED EXHAUST BRACKET, REPLACEMENT. GU MACK MODELS EQUIPPED WITH CAB MOUNTED EXHAUST MAY EXPERIENCE EXCESSIVE VIBRATION IN THE CAB. IN MOST CASES, THIS IS CAUSED BY A WORN BUSHING IN THE CAB MOUNTED EXHAUST BRACKET. THE BUSHING SIZE HAS BEEN INCREASED TO EXTEND THE LIFE OF THE BUSHING.","document":null,"url":"https://open.wenmarpro.com/bulletins/10082812","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","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":[]}