{"nhtsa_id":10055222,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-04-23","date":"2014-02-01","document_id":"SF-491-A","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"DAIMLER TRUCK: A CHANGE HAS BEEN MADE, TO IMPROVE COOLING SYSTEM LIFE, BY USING 7 PSI RADIATOR CAPS INSTEAD OF 16 PSI RADIATOR CAPS. MODEL 2009-2013 MT45G, MT55G. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10055222","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"MT45G","year_from":2011,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"MT55G","year_from":2011,"year_to":2013,"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":[]}