{"nhtsa_id":10042124,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-11-28","date":"2011-10-01","document_id":"PI-0745","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"MACK TRUCK: ALL AFTERTREATMENT DIESEL EXHAUST FLUID (DEF) COOLANT HOSES ON LEU AND MRU TRUCKS HAVE AN AVAILABLE CAMPAIGN FOR REPLACEMENT. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10042124","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"LEU","year_from":2010,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"MRU","year_from":2010,"year_to":2012,"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":[]}