{"nhtsa_id":10002837,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-09-26","date":"2003-06-01","document_id":"020601010A","mfr_campaign":null,"replaces":"020601010","component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS","mfr_system":null,"summary":"SERPENTINE BELT IDENTIFICATION AND DIAGNOSIS FOR MEDIUM DUTY TRUCKS. VARIOUS MODELS INCLUDING THE CHEVROLET AND GMC C5500 MD 2003. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10002837","components":[{"id":"engine","name":"Engine","parent":null},{"id":"drive-belt","name":"Drive belts","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C4500","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2001,"year_to":2003,"match":"exact","vehicle_ids":["2001_chevrolet_silverado","2002_chevrolet_silverado","2003_chevrolet_silverado"]},{"make":"GMC","model":"C4500","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SIERRA","year_from":2001,"year_to":2003,"match":"exact","vehicle_ids":["2001_gmc_sierra","2002_gmc_sierra","2003_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":[]}