{"nhtsa_id":600487,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-05-18","date":"1997-12-31","document_id":"183497","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"ENGINE MAY SPARK/KNOCK WHEN WARM UNDER MODERATE TO HEAVY ACCELERATION. *AK","document":null,"url":"https://open.wenmarpro.com/bulletins/600487","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"DAKOTA","year_from":1998,"year_to":1998,"match":"exact","vehicle_ids":["1998_dodge_dakota"]},{"make":"DODGE","model":"DURANGO","year_from":1998,"year_to":1998,"match":"exact","vehicle_ids":["1998_dodge_durango"]},{"make":"DODGE","model":"RAM","year_from":1998,"year_to":1998,"match":"exact","vehicle_ids":["1998_dodge_ram"]},{"make":"JEEP","model":"GRAND CHEROKEE","year_from":1998,"year_to":1998,"match":"exact","vehicle_ids":["1998_jeep_grand-cherokee"]}],"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":[]}