{"nhtsa_id":10013858,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-04-27","date":"2004-11-16","document_id":"04056","mfr_campaign":null,"replaces":null,"component":"WHEELS","mfr_system":null,"summary":"20 INCH PLUS SIZE WHEEL RESTRICTION - SUPPLEMENT TO ACCESSORIES BULLETIN ACC04-056. GM VOICEMAIL EXPRESS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10013858","components":[{"id":"wheels","name":"Wheels","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_chevrolet_silverado","2005_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_gmc_sierra","2005_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":[]}