{"nhtsa_id":604491,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-05-04","date":"1999-02-17","document_id":"9906","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"SERVICE ACTION REGARDING ETHYLENE GLYCOL CONCENTRATION TOO LOW IN ENGINE COOLANT MIXTURE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/604491","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"DAKOTA","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_dodge_dakota"]},{"make":"DODGE","model":"RAM","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_dodge_ram"]}],"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":[]}