{"nhtsa_id":10002171,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-08-15","date":"2003-04-01","document_id":"0310","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"RAMP-RATE FROM BASE ENGINE IDLE (625 RPM) TO 1200 RPM TARGET IS HIGHER THAN PRIOR 7.3L DIESEL ENGINE. THIS MAY BE TOO RAPID FOR SMOOTH ENGAGEMENT OF TRANSMISSION-MOUNTED PTO SERVING HIGH-INERTIA PTO SYSTEM START-UPS, TYPICAL OF DIRECT-DRIVE AIR COMPRESSOR INSTALLATIONS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10002171","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":2003,"year_to":2003,"match":"base","vehicle_ids":["2003_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2003,"year_to":2003,"match":"base","vehicle_ids":["2003_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2003,"year_to":2003,"match":"base","vehicle_ids":["2003_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2003,"year_to":2003,"match":"base","vehicle_ids":["2003_ford_f-550"]}],"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":[]}