{"nhtsa_id":10169951,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-01-08","date":"2019-12-10","document_id":"TT430","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"TECHNICAL TIP TT430: TWIN-COOLED SYSTEM DIAGNOSTICS. PURPOSE: Revision. Updated Basic Operation, Cooling System Pressure Cap, Loss of Coolant from Right Fairing Lower Overflow Hose for all Twin-Cooled Touring and Trike models with symptoms relating to cooling system issues.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10169951-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10169951-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10169951","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"TOURING","year_from":2016,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"TRIKE","year_from":2017,"year_to":2018,"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":[]}