{"nhtsa_id":622895,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-24","date":"2001-05-01","document_id":"010602003","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, THE ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR THE COOLANT RESERVOIR HAS RUST IN IT. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/622895","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ROADMASTER","year_from":1996,"year_to":1996,"match":"exact","vehicle_ids":["1996_buick_roadmaster"]},{"make":"CADILLAC","model":"FLEETWOOD","year_from":1996,"year_to":1996,"match":"exact","vehicle_ids":["1996_cadillac_fleetwood"]},{"make":"CHEVROLET","model":"CAPRICE","year_from":1996,"year_to":1996,"match":"exact","vehicle_ids":["1996_chevrolet_caprice"]},{"make":"CHEVROLET","model":"IMPALA","year_from":1996,"year_to":1996,"match":null,"vehicle_ids":[]}],"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":[]}