{"nhtsa_id":10181990,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-03","date":"2020-10-05","document_id":"TechTalk7742","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; STEERING; SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:SHACKLE","mfr_system":null,"summary":"Tech Talk discussion on loose rear spring shackle bushings in the springs causing steer axle to shift on pins,","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10181990-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10181990-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10181990","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"steering","name":"Steering","parent":null},{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4900","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_western-star_4900"]}],"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":[]}