{"nhtsa_id":10147489,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2018-10-18","document_id":"SSM74125","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"A customer may experience a hesitation or shudder while driving approximately 30-55 mph and at 1400-2000 RPM. The engine speed begins to visibly flutter on the tachometer. This occurs during warm up after a cold start. This hesitation is felt under these conditions while maintaining a constant accelerator pedal position.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10147489-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10147489-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10147489","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"DISCOVERY","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_land-rover_discovery","2018_land-rover_discovery"]}],"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":[]}