{"nhtsa_id":623338,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-26","date":"2001-09-01","document_id":"TSI010306","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"SUBJECT REGARDING IMPROVED BARKSDALE AIR SUSPENSION HEIGHT CONTROL VALVE WITH INTERGRAL DUMP FEATURE IS STANDARD ON 9000I MODELS BUILT AFTER SEP 01, 2000 AND IS AVAILABLE FOR RETROFIT IN 9000I AND 9000 MODELS BUILT BEFORE SEP 01, 2000 WITH A 9 1/2 INCH RIDE HEIGHT (12 1/2 INCH AIR BAG HEIGHT)","document":null,"url":"https://open.wenmarpro.com/bulletins/623338","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"INTERNATIONAL HARVESTER","model":"9000","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL HARVESTER","model":"9000I","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":[]}