{"nhtsa_id":10177607,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-07-31","date":"2020-07-30","document_id":"SBW42-013","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:DRUM:SHOES/LININGS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:SHOES/LININGS","mfr_system":null,"summary":"Western Star Service Bulletin for Meritor Steer Axle Drum Brake Squeal. Some Western Star 5700 vehicles equipped with Meritor steer axle drum brakes with a front axle rating less than 13,300 lb (6038 kg) have experienced brake squealing noise when the service brakes are applied at lower speeds. NOTE: This is a nuisance noise issue and not a failure. The solution given in this service bulletin may fix this issue.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177607-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177607-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10177607","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"brake-drum-shoe","name":"Brake drums and shoes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"5700","year_from":2010,"year_to":2021,"match":"exact","vehicle_ids":["2010_western-star_5700","2011_western-star_5700","2012_western-star_5700","2013_western-star_5700","2014_western-star_5700","2015_western-star_5700","2016_western-star_5700","2017_western-star_5700","2018_western-star_5700","2019_western-star_5700","2020_western-star_5700","2021_western-star_5700"]}],"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":[]}