{"nhtsa_id":623511,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-29","date":"2001-06-01","document_id":"TSI010902","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING:HEADLIGHTS","mfr_system":null,"summary":"INFORMATION REGARDING HEADLIGHT AIMING ON 4300 AND 4400 MODELS. *YH","document":null,"url":"https://open.wenmarpro.com/bulletins/623511","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"headlight","name":"Headlights","parent":"lighting"}],"codes":[],"topics":[],"vehicles":[{"make":"INTERNATIONAL HARVESTER","model":"4300","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL HARVESTER","model":"4400","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL HARVESTER","model":"INTERNATIONAL","year_from":null,"year_to":null,"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":[]}