{"nhtsa_id":10021394,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-04-24","date":null,"document_id":"4040","mfr_campaign":null,"replaces":"4040A","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"HARSH TCC APPLY OR TCC CYCLING. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10021394","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"AVALANCHE 1500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"AVALANCHE 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"EXPRESS 1500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_express"]},{"make":"CHEVROLET","model":"EXPRESS 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_express"]},{"make":"CHEVROLET","model":"EXPRESS 3500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN 1500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_chevrolet_tahoe"]},{"make":"CHEVROLET","model":"TRAILBLAZER 360","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_trailblazer"]},{"make":"GMC","model":"ENVOY 360","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_gmc_envoy"]},{"make":"GMC","model":"SAVANA 1500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_gmc_savana"]},{"make":"GMC","model":"SAVANA 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_gmc_savana"]},{"make":"GMC","model":"SAVANA 3500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_gmc_savana"]},{"make":"GMC","model":"SIERRA 1500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_gmc_yukon"]},{"make":"HUMMER","model":"H2","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_hummer_h2"]},{"make":"SAAB","model":"9-7X","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_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":[]}