{"nhtsa_id":10042785,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-01-11","date":"2011-11-22","document_id":"TIB-44-020","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, OTHER:FUEL FILTER; FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS","mfr_system":null,"summary":"KENWORTH: INFORMATION REGARDING ORIGINAL EQUIPMENT FITTINGS NOT MATING PERFECTLY AND RESULT IN LEAKS AND/OR AIR INGESTION DUE TO THE 37 DEGREE FITTINGS FLARED FUEL LINE TO FUEL FILTER FITTINGS INSTEAD OF THE 45 DEGREE. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10042785","components":[{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"fuel-filter","name":"Fuel filter","parent":"fuel-system"},{"id":"fuel-line","name":"Fuel hoses and lines","parent":"fuel-system"}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T440","year_from":2011,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T470","year_from":2011,"year_to":2011,"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":[]}