{"nhtsa_id":620382,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-08-07","date":"2000-01-01","document_id":"14205","mfr_campaign":null,"replaces":null,"component":"TIRES","mfr_system":null,"summary":"SOME VEHICLES EQUIPPED WITH FIRESTONE P235 / 75R15 WILDERNESS HT TIRES MAY EXHIBIT A VIBRATION AT SPEEDS ABOVE 45 MPH, DUE TO TIRES SLIPPING ON THE WHEELS AND CHANGING INDEX POSITION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620382","components":[{"id":"tires","name":"Tires","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPLORER SPORT","year_from":2001,"year_to":2001,"match":"base","vehicle_ids":["2001_ford_explorer"]},{"make":"FORD","model":"EXPLORER SPORT TRAC","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_ford_explorer-sport-trac"]}],"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":[]}