{"nhtsa_id":10058983,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-01-08","date":"2012-05-01","document_id":"FA-2011FA06","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"ALLISON TRANSMISSION: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. SOME BUSES HAVE DRIVE UNITS INSTALLED, FRONT TO A BACK SLOPE, WHERE OPENING OF SUCTION FILTER WAS DESIGNED, ROTATING 90 DEGREES MOVING TO END DRIVE UNIT OUTPUT. MODEL NOVA. NO YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10058983","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"NOVABUS","model":"BUS","year_from":null,"year_to":null,"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":[]}