{"nhtsa_id":620400,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-08-07","date":"2000-01-01","document_id":"14244","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"SOME 4X4 VEHICLES MAY EXHIBIT A POP / CLUNK NOISE DURING TURNS, TURNING ONTO UNEVEN SURFACES OR WHEN DRIVING OVER BUMPS. ENGINEERING HAS DETERMINED THAT THIS MAY BE CAUSED BY AN UNDER TORQUED UPPER FRONT SWAY BAR BOLT WHICH ATTACHES THE UPPER SWAY BAR ENDLINK THROUGH THE ENDLINK FRAME BRACKET TO THE FRAME. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620400","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXCURSION","year_from":2000,"year_to":2000,"match":"exact","vehicle_ids":["2000_ford_excursion"]},{"make":"FORD","model":"SUPER DUTY F SERIES","year_from":2000,"year_to":2000,"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":[]}