{"nhtsa_id":617170,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-03-14","date":"2000-12-01","document_id":"002503","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SOME MEDIUM DUTY VEHICLES EQUIPPED WITH THE 7.3L POWERSTROKE DIESEL ENGINE MAY EXHIBIT A NOISE ABOVE THE NORMAL SOUND OF THE DIESEL COMBUSTION. THIS NOISE MAY SOUND LIKE A ROD KNOCK, BUT IS INTERMITTENT AND INCREASES IN INTENSITY AS THE ENGINE WARMS UP TO OPERATING TEMPERATURE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/617170","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"FORD","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"LINCOLN","model":"LINCOLN","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"MERCURY","model":"MERCURY","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":[]}