{"nhtsa_id":620532,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-08-13","date":"2001-03-15","document_id":"59001WS001","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"THIS BULLETIN IS A FIX FOR AM RADIO INTERFERENCE HEARD AS CONTINUOUS TICKING (LIKE A CLOCK) COMING OVER THE RADIO SPEAKERS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620532","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"WESTERN STAR","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":[]}