{"nhtsa_id":609790,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-04-10","date":"1998-09-10","document_id":"2454","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS","mfr_system":null,"summary":"RECOMMENDED PROCEDURES WHEN WORKING WITH VACUUM LINES AND HOSES. YD","document":null,"url":"https://open.wenmarpro.com/bulletins/609790","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"911","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_porsche_911"]}],"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":[]}