{"nhtsa_id":10012143,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-02-15","date":"2004-06-01","document_id":"040601018","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"INFORMATION ON REVISED DESIGN OF INTAKE GASKET AND RELATED BOLTS FOR 2004 MID-YEAR ENHANCEMENT AND PRIOR YEAR SERVICE USAGE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10012143","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"AVALANCHE","year_from":2002,"year_to":2004,"match":"exact","vehicle_ids":["2002_chevrolet_avalanche","2003_chevrolet_avalanche","2004_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"KODIAK","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"KODIAK","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2001,"year_to":2004,"match":"exact","vehicle_ids":["2001_chevrolet_silverado","2002_chevrolet_silverado","2003_chevrolet_silverado","2004_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2001,"year_to":2004,"match":"exact","vehicle_ids":["2001_gmc_sierra","2002_gmc_sierra","2003_gmc_sierra","2004_gmc_sierra"]},{"make":"GMC","model":"TOPKICK","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"YUKON","year_from":2001,"year_to":2004,"match":"exact","vehicle_ids":["2001_gmc_yukon","2002_gmc_yukon","2003_gmc_yukon","2004_gmc_yukon"]}],"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":[]}