{"nhtsa_id":10201100,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-09-07","date":"2015-12-01","document_id":"08-06-04-003D","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ENGINE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"New Tool Availability - EN-48974-EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10201100-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10201100-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201100","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C4500","year_from":2004,"year_to":2007,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"C4500","year_from":2009,"year_to":2009,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"C4500 NA","year_from":2008,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"C5500","year_from":2004,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2006,"year_to":2016,"match":"exact","vehicle_ids":["2006_chevrolet_express","2007_chevrolet_express","2008_chevrolet_express","2009_chevrolet_express","2010_chevrolet_express","2011_chevrolet_express","2012_chevrolet_express","2013_chevrolet_express","2014_chevrolet_express","2015_chevrolet_express","2016_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2002,"year_to":2016,"match":"base","vehicle_ids":["2002_chevrolet_silverado","2003_chevrolet_silverado","2004_chevrolet_silverado","2005_chevrolet_silverado","2006_chevrolet_silverado","2007_chevrolet_silverado","2008_chevrolet_silverado","2009_chevrolet_silverado","2010_chevrolet_silverado","2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado","2014_chevrolet_silverado","2015_chevrolet_silverado","2016_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2002,"year_to":2016,"match":"base","vehicle_ids":["2002_chevrolet_silverado","2003_chevrolet_silverado","2004_chevrolet_silverado","2005_chevrolet_silverado","2006_chevrolet_silverado","2007_chevrolet_silverado","2008_chevrolet_silverado","2009_chevrolet_silverado","2010_chevrolet_silverado","2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado","2014_chevrolet_silverado","2015_chevrolet_silverado","2016_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2002,"year_to":2016,"match":"base","vehicle_ids":["2002_chevrolet_silverado","2003_chevrolet_silverado","2004_chevrolet_silverado","2005_chevrolet_silverado","2006_chevrolet_silverado","2007_chevrolet_silverado","2008_chevrolet_silverado","2009_chevrolet_silverado","2010_chevrolet_silverado","2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado","2014_chevrolet_silverado","2015_chevrolet_silverado","2016_chevrolet_silverado"]},{"make":"GMC","model":"SAVANA","year_from":2006,"year_to":2016,"match":"exact","vehicle_ids":["2006_gmc_savana","2007_gmc_savana","2008_gmc_savana","2009_gmc_savana","2010_gmc_savana","2011_gmc_savana","2012_gmc_savana","2013_gmc_savana","2014_gmc_savana","2015_gmc_savana","2016_gmc_savana"]},{"make":"GMC","model":"SIERRA 1500","year_from":2002,"year_to":2016,"match":"base","vehicle_ids":["2002_gmc_sierra","2003_gmc_sierra","2004_gmc_sierra","2005_gmc_sierra","2006_gmc_sierra","2007_gmc_sierra","2008_gmc_sierra","2009_gmc_sierra","2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra","2014_gmc_sierra","2015_gmc_sierra","2016_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2002,"year_to":2016,"match":"base","vehicle_ids":["2002_gmc_sierra","2003_gmc_sierra","2004_gmc_sierra","2005_gmc_sierra","2006_gmc_sierra","2007_gmc_sierra","2008_gmc_sierra","2009_gmc_sierra","2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra","2014_gmc_sierra","2015_gmc_sierra","2016_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2002,"year_to":2016,"match":"base","vehicle_ids":["2002_gmc_sierra","2003_gmc_sierra","2004_gmc_sierra","2005_gmc_sierra","2006_gmc_sierra","2007_gmc_sierra","2008_gmc_sierra","2009_gmc_sierra","2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra","2014_gmc_sierra","2015_gmc_sierra","2016_gmc_sierra"]},{"make":"GMC","model":"TOPKICK","year_from":2004,"year_to":2013,"match":null,"vehicle_ids":[]}],"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":[]}