{"nhtsa_id":10036464,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-03-16","date":"2011-05-01","document_id":"PIP-4492P","mfr_campaign":null,"replaces":"PIP-4492W","component":"ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)","mfr_system":null,"summary":"BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. *PE UPDATED 3/21/11. *PE UPDATED 5/9/11. *PE UPDATED 5/25/11. *PE UPDATED 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB UPDATED 6/27/11. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10036464","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"pcv","name":"Crankcase ventilation (PCV)","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ALLURE","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_buick_allure"]},{"make":"BUICK","model":"LACROSSE","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_buick_lacrosse"]},{"make":"BUICK","model":"RAINIER","year_from":2004,"year_to":2007,"match":"exact","vehicle_ids":["2004_buick_rainier","2005_buick_rainier","2006_buick_rainier","2007_buick_rainier"]},{"make":"CADILLAC","model":"CTS","year_from":2004,"year_to":2008,"match":"exact","vehicle_ids":["2004_cadillac_cts","2005_cadillac_cts","2006_cadillac_cts","2007_cadillac_cts","2008_cadillac_cts"]},{"make":"CADILLAC","model":"ESCALADE","year_from":2003,"year_to":2011,"match":"exact","vehicle_ids":["2003_cadillac_escalade","2004_cadillac_escalade","2005_cadillac_escalade","2006_cadillac_escalade","2007_cadillac_escalade","2008_cadillac_escalade","2009_cadillac_escalade","2010_cadillac_escalade","2011_cadillac_escalade"]},{"make":"CHEVROLET","model":"AVALANCHE","year_from":2003,"year_to":2010,"match":"exact","vehicle_ids":["2003_chevrolet_avalanche","2004_chevrolet_avalanche","2005_chevrolet_avalanche","2006_chevrolet_avalanche","2007_chevrolet_avalanche","2008_chevrolet_avalanche","2009_chevrolet_avalanche","2010_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"AVALANCHE 1500","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"COLORADO","year_from":2009,"year_to":2011,"match":"exact","vehicle_ids":["2009_chevrolet_colorado","2010_chevrolet_colorado","2011_chevrolet_colorado"]},{"make":"CHEVROLET","model":"CORVETTE","year_from":2003,"year_to":2007,"match":"exact","vehicle_ids":["2003_chevrolet_corvette","2004_chevrolet_corvette","2005_chevrolet_corvette","2006_chevrolet_corvette","2007_chevrolet_corvette"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2003,"year_to":2011,"match":"exact","vehicle_ids":["2003_chevrolet_express","2004_chevrolet_express","2005_chevrolet_express","2006_chevrolet_express","2007_chevrolet_express","2008_chevrolet_express","2009_chevrolet_express","2010_chevrolet_express","2011_chevrolet_express"]},{"make":"CHEVROLET","model":"IMPALA","year_from":2006,"year_to":2009,"match":"exact","vehicle_ids":["2006_chevrolet_impala","2007_chevrolet_impala","2008_chevrolet_impala","2009_chevrolet_impala"]},{"make":"CHEVROLET","model":"MONTE CARLO","year_from":2003,"year_to":2007,"match":"exact","vehicle_ids":["2003_chevrolet_monte-carlo","2004_chevrolet_monte-carlo","2005_chevrolet_monte-carlo","2006_chevrolet_monte-carlo","2007_chevrolet_monte-carlo"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2003,"year_to":2011,"match":"exact","vehicle_ids":["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"]},{"make":"CHEVROLET","model":"SSR","year_from":2003,"year_to":2006,"match":"exact","vehicle_ids":["2003_chevrolet_ssr","2004_chevrolet_ssr","2005_chevrolet_ssr","2006_chevrolet_ssr"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2003,"year_to":2009,"match":"exact","vehicle_ids":["2003_chevrolet_suburban","2004_chevrolet_suburban","2005_chevrolet_suburban","2006_chevrolet_suburban","2007_chevrolet_suburban","2008_chevrolet_suburban","2009_chevrolet_suburban"]},{"make":"CHEVROLET","model":"SUBURBAN 1500","year_from":2010,"year_to":2011,"match":"base","vehicle_ids":["2010_chevrolet_suburban","2011_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2003,"year_to":2011,"match":"exact","vehicle_ids":["2003_chevrolet_tahoe","2004_chevrolet_tahoe","2005_chevrolet_tahoe","2006_chevrolet_tahoe","2007_chevrolet_tahoe","2008_chevrolet_tahoe","2009_chevrolet_tahoe","2010_chevrolet_tahoe","2011_chevrolet_tahoe"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2003,"year_to":2009,"match":"exact","vehicle_ids":["2003_chevrolet_trailblazer","2004_chevrolet_trailblazer","2005_chevrolet_trailblazer","2006_chevrolet_trailblazer","2007_chevrolet_trailblazer","2008_chevrolet_trailblazer","2009_chevrolet_trailblazer"]},{"make":"GMC","model":"CANYON","year_from":2009,"year_to":2011,"match":"exact","vehicle_ids":["2009_gmc_canyon","2010_gmc_canyon","2011_gmc_canyon"]},{"make":"GMC","model":"ENVOY","year_from":2003,"year_to":2009,"match":"exact","vehicle_ids":["2003_gmc_envoy","2004_gmc_envoy","2005_gmc_envoy","2006_gmc_envoy","2007_gmc_envoy","2008_gmc_envoy","2009_gmc_envoy"]},{"make":"GMC","model":"SANANA","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SAVANA","year_from":2003,"year_to":2011,"match":"exact","vehicle_ids":["2003_gmc_savana","2004_gmc_savana","2005_gmc_savana","2006_gmc_savana","2007_gmc_savana","2008_gmc_savana","2009_gmc_savana","2010_gmc_savana","2011_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2003,"year_to":2011,"match":"exact","vehicle_ids":["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"]},{"make":"GMC","model":"YUKON","year_from":2003,"year_to":2011,"match":"exact","vehicle_ids":["2003_gmc_yukon","2004_gmc_yukon","2005_gmc_yukon","2006_gmc_yukon","2007_gmc_yukon","2008_gmc_yukon","2009_gmc_yukon","2010_gmc_yukon","2011_gmc_yukon"]},{"make":"HUMMER","model":"H2","year_from":2003,"year_to":2010,"match":"exact","vehicle_ids":["2003_hummer_h2","2004_hummer_h2","2005_hummer_h2","2006_hummer_h2","2007_hummer_h2","2008_hummer_h2","2009_hummer_h2","2010_hummer_h2"]},{"make":"HUMMER","model":"H3","year_from":2008,"year_to":2010,"match":"exact","vehicle_ids":["2008_hummer_h3","2009_hummer_h3","2010_hummer_h3"]},{"make":"PONTIAC","model":"G8","year_from":2008,"year_to":2009,"match":"exact","vehicle_ids":["2008_pontiac_g8","2009_pontiac_g8"]},{"make":"PONTIAC","model":"GRAND PRIX","year_from":2005,"year_to":2008,"match":"exact","vehicle_ids":["2005_pontiac_grand-prix","2006_pontiac_grand-prix","2007_pontiac_grand-prix","2008_pontiac_grand-prix"]},{"make":"SAAB","model":"9-7X","year_from":2005,"year_to":2009,"match":"exact","vehicle_ids":["2005_saab_9-7x","2006_saab_9-7x","2007_saab_9-7x","2008_saab_9-7x","2009_saab_9-7x"]}],"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":[]}