{"nhtsa_id":10028550,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-05-08","date":"2009-03-12","document_id":"SB-329-008","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"MACK TRUCKS: A REVISED COUPLING HOSE FOR THE ALLISON AUTOMATIC TRANSMISSION OIL COOLER SUPPLY PIPE TO THERMOSTAT HOUSING CONNECTION WAS IMPLEMENTED INTO PRODUCTION ON MRU AND LEU MODEL CHASSIS. MODEL YEARS UNKNOWN. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10028550","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"LEU","year_from":2007,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"MRU","year_from":2007,"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":[]}