{"nhtsa_id":10029985,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-07-22","date":"2009-04-01","document_id":"SB-33-24","mfr_campaign":null,"replaces":null,"component":"WHEELS:LUGS/NUTS/BOLTS/STUDS; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL; POWER TRAIN:AXLE HUBS","mfr_system":null,"summary":"FREIGHTLINER TRUCK: STEER AXLE MAINTENANCE, AAC AND MERITOR 6000LB AND 8000LB AXLES: THIS BULLETIN IS TO PROVIDE INFORMATION ON THE RECOMMENDED MAINTENANCE PROCEDURE TO BE ADDED TO DTNA MAINTENANCE MANUALS FOR ALL MODELS WITH THESE AXLE RATINGS. IT IS RECOMMENDED THAT THESE PROCEDURES BE ADOPTED AS SOON AS POSSIBLE. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10029985","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"wheels","name":"Wheels","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"},{"id":"lug-nut","name":"Wheel nuts and studs","parent":"wheels"}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"BUSINESS CLASS","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"BUSINESS CLASS","year_from":1991,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"BUSINESS CLASS M2","year_from":2000,"year_to":2010,"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":[]}