{"nhtsa_id":625604,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-11-29","date":"2001-09-17","document_id":"1802101A","mfr_campaign":null,"replaces":"1802101","component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SUBJECT REGARDING 4.7L ENGINE PERFORMANCE ENHANCEMENTS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/625604","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"DURANGO","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_dodge_durango"]},{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_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":[]}