{"nhtsa_id":636698,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-11-13","date":"2002-05-28","document_id":"052802","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"REPORTS ABOUT MISSING CLAMPS ON THE OVERFLOW HOSE BETWEEN THE RADIATOR AND COOLANT RESERVOIR. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/636698","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"BLAZER","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_chevrolet_blazer"]},{"make":"CHEVROLET","model":"S10","year_from":2002,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SONOMA","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_gmc_sonoma"]}],"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":[]}