{"nhtsa_id":608324,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-11-23","date":"1999-07-20","document_id":"SB266011","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS","mfr_system":null,"summary":"THIS BULLETIN CONTAINS THE NEW DESIGN CONTROL VALVE COMPONENTS FOR J-TECH ENGINE BRAKE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/608324","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"E-TECH","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":[]}