{"nhtsa_id":10198479,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-06-28","date":"2021-06-25","document_id":"RC000229SADealer","mfr_campaign":null,"replaces":null,"component":"STEERING","mfr_system":null,"summary":"On certain Detroit Model 2 and 3 steer axles, the tie rod arm and steering arm bolts used to assemble front axle assemblies have a lengthwise “seam” defect which increases stress concentration, potentially leading to bolt failure or loss of pre-load This affects the following Thor Motor Coach products: model year 2022 Aria, Palazzo, and Venetian motorhomes.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10198479-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10198479-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10198479","components":[{"id":"steering","name":"Steering","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"THOR MOTOR COACH","model":"ARIA","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"THOR MOTOR COACH","model":"PALAZZO","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"THOR MOTOR COACH","model":"VENETIAN","year_from":2022,"year_to":2022,"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":[]}