{"nhtsa_id":617853,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-04-02","date":"2000-07-01","document_id":"SF207AC","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS","mfr_system":null,"summary":"STERLING TRUCK CORPORATION IS INITIATING FIELD SERVICE MODIFICATION TO MODIFY ACTERRA MODEL STERLING VEHICLES MANUFACTURED BETWEEN DECEMBER 20, 1999 AND FEBRUARY 20, 2000. THE FRONT SPRINGS ON THESE VEHICLES DO NOT HAVE A SPECIFIED MILITARY WRAP AT THE REAR OF THE SECOND LEAF. THE MODIFICATION CONSISTS OF REMOVING AND REPLACING BOTH FRONT SPRING ASSEMBLIES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/617853","components":[{"id":"suspension","name":"Suspension","parent":null},{"id":"air-suspension","name":"Air suspension","parent":"suspension"}],"codes":[],"topics":[],"vehicles":[{"make":"STERLING","model":"ACTERRA","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":[]}