{"nhtsa_id":621158,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-09-10","date":"2001-06-01","document_id":"01904","mfr_campaign":null,"replaces":null,"component":"STRUCTURE:BODY","mfr_system":null,"summary":"SOME 4300 AND 4400 MODELS BUILT BETWEEN OCTOBER 24, 2000 AND APRIL 11, 2001 MAY DEVELOP GRILLE STRESS CRACKS AT BOTH THE UPPER AND LOWER ATTACHMENT POINTS. THIS SERVICE PROCEDURE REVISES THE GRILLE ATTACHMENT METHOD AND ISOLATES THE GRILLE TO PREVENT CRACKING. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/621158","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"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":[]}],"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":[]}