{"nhtsa_id":10001274,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-04-25","date":"2003-03-01","document_id":"020605003A","mfr_campaign":null,"replaces":"020605003","component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"EXHAUST MOAN/VIBRATION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10001274","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":1999,"year_to":2001,"match":"exact","vehicle_ids":["1999_chevrolet_silverado","2000_chevrolet_silverado","2001_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":1999,"year_to":2001,"match":"exact","vehicle_ids":["1999_gmc_sierra","2000_gmc_sierra","2001_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":[]}