{"nhtsa_id":615327,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-01-13","date":"1998-12-01","document_id":"5132","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"SOME GT CONVERTIBLES MAY EXPERIENCES VIBRATION / SHAKE WHEN DRIVEN ON SMOOTH ROADS AT CONSTANT SPEEDS AROUND 62 MPH / 100 KPH. THE CONDITION MAY BE DUE TO HARMONIC RESONANCE BETWEEN THE ENGINE, BODY AND SUSPENSION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/615327","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"MUSTANG CONVERTIBLE","year_from":1994,"year_to":1998,"match":"base","vehicle_ids":["1994_ford_mustang","1995_ford_mustang","1996_ford_mustang","1997_ford_mustang","1998_ford_mustang"]}],"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":[]}