{"nhtsa_id":10084685,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-23","date":"2012-10-11","document_id":"PI0437A","mfr_campaign":null,"replaces":null,"component":"STRUCTURE; EQUIPMENT","mfr_system":null,"summary":"THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE ON HOW TO CLEAN OVERSPRAY FROM CHORME BUMPERS FOR CONCERNS RELATED TO AN APPERANCE OF DISCOLORATION OR CORROSION NEAR EDGES/OPENINGS OF CHROME BUMPERS","document":null,"url":"https://open.wenmarpro.com/bulletins/10084685","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2010,"year_to":2013,"match":"exact","vehicle_ids":["2010_chevrolet_express","2011_chevrolet_express","2012_chevrolet_express","2013_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2010,"year_to":2013,"match":"base","vehicle_ids":["2010_chevrolet_silverado","2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado"]},{"make":"GMC","model":"SAVANA","year_from":2010,"year_to":2013,"match":"exact","vehicle_ids":["2010_gmc_savana","2011_gmc_savana","2012_gmc_savana","2013_gmc_savana"]},{"make":"GMC","model":"SIERRA 1500","year_from":2010,"year_to":2013,"match":"base","vehicle_ids":["2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra","2013_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":[]}