{"nhtsa_id":11022975,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-09","date":"2025-08-09","document_id":"L1020","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER; POWER TRAIN; FUEL/PROPULSION SYSTEM","mfr_system":null,"summary":"SERVICE BULLETIN L1020: S2 COOLING SYSTEM FILL AND BLEED TIPS. PURPOSE: Initial Release. This bulletin provides dealers with best practices for filling and bleeding the cooling system on S2 models after component replacement. This can help prevent customer vehicle returns due to unpurged air in the cooling system. The most common symptom of this is the turtle icon illuminating on the instrument module after only a few minutes of riding.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022975-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022975-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11022975","components":[{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LIVEWIRE","model":"S2 ALPINISTA","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_livewire_s2-alpinista"]},{"make":"LIVEWIRE","model":"S2 DEL MAR","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_livewire_s2-del-mar","2025_livewire_s2-del-mar"]},{"make":"LIVEWIRE","model":"S2 MULHOLLAND","year_from":2024,"year_to":2025,"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":[]}