{"nhtsa_id":11031073,"type":"other","type_name":"Other","date_added":"2026-04-07","date":"2026-03-20","document_id":"D011 Defender 20MAR26","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Engine coolant may leak from the coolant bypass hose assembly.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031073-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031073-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11031073","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"DEFENDER","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_land-rover_defender"]}],"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":[]}