{"nhtsa_id":10038555,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-21","date":"2011-06-01","document_id":"ITS-4612","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL; STEERING:HYDRAULIC POWER ASSIST SYSTEM","mfr_system":null,"summary":"NEW FLYER: PROCEDURE TO REDUCE NOISE LEVEL BY MODIFYING THE HYDRAULIC RESERVOIR. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10038555","components":[{"id":"engine","name":"Engine","parent":null},{"id":"steering","name":"Steering","parent":null},{"id":"power-steering","name":"Power steering","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"NEW FLYER","model":"NEW FLYER","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":[]}