{"nhtsa_id":607656,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-10-04","date":"1999-08-09","document_id":"99163","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS","mfr_system":null,"summary":"EXPERIENCING A SQUEAK TYPE NOISE HEARD FROM THE FRONT SPRINGS AS THEY COMPRESS DURING DRIVING ON SOME VEHICLES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/607656","components":[{"id":"suspension","name":"Suspension","parent":null},{"id":"air-suspension","name":"Air suspension","parent":"suspension"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F SUPER DUTY","year_from":1999,"year_to":1999,"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":[]}