{"nhtsa_id":10020577,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-11-17","date":"2006-10-04","document_id":"3958","mfr_campaign":null,"replaces":"3958B","component":"SERVICE BRAKES, AIR:DRUM","mfr_system":null,"summary":"REAR DRUM BRAKES EXCESSIVE WEAR, DRAG, AND AGGRESSIVE. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10020577","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"brake-drum-shoe","name":"Brake drums and shoes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_chevrolet_silverado","2006_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_gmc_sierra","2006_gmc_sierra"]}],"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":[]}