{"nhtsa_id":10143536,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-08-06","date":"2018-07-20","document_id":"ENP-651","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"Type 3 and Type 4 CNG fuel cylinders used in natural gas fuel systems expand and contract in normal operation. Mounting systems must compensate for these changes. The isolators are a maintenance item and periodic replacement is needed. An improved J-bracket was developed and should improve isolator wear.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143536-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143536-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10143536","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AGILITY FUEL SYSTEMS","model":"CNG FUEL TANK","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":[]}