{"nhtsa_id":10025563,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-08-21","date":"2008-05-29","document_id":"SB 234022","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"INTERFERENCE BETWEEN EXHAUST PIPE U-BOLT AND SLEEPER RAIL. (NOT APPLICABLE TO MACK TRUCKS AUSTRALIA). *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10025563","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHU","year_from":2007,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2006,"year_to":2008,"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":[]}