{"nhtsa_id":10013235,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-04-13","date":"2005-04-01","document_id":"050301","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM","mfr_system":null,"summary":"RIDE HEIGHT CONTROL VALVE USED WITH INTERNATIONAL RIDE OPTIMIZED SUSPENSION (IROS) AND HENDRICKSON AIR SUSPENSION (HAS), WITHOUT CODE 14899, MAY NOT RE-INFLATE THE AIR SPRINGS DUE TO BLOCKAGE IN THE DUMP PORT. INTERNATIONAL. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10013235","components":[{"id":"suspension","name":"Suspension","parent":null},{"id":"air-suspension","name":"Air suspension","parent":"suspension"}],"codes":[],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN","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":[]}