{"nhtsa_id":601898,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-08-28","date":"1998-06-11","document_id":"98035","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"SUBJECT ON LOAD LEVELING SUSPENSION SYSTEM MALFUNCTION. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/601898","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"ENVOY","year_from":1998,"year_to":1998,"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":[]}