{"nhtsa_id":10164800,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-09-16","date":"2019-08-20","document_id":"TT466","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"TECHNICAL TIP BULLETIN TT466: UPDATED OIL PUMP FOR MILWAUKEE-EIGHT ENGINES. PURPOSE: To notify dealers that a new oil pump was put into production on some late 2019 and all 2020 Milwaukee-Eight® engines, all models. The new oil pumps are retrofittable to all previous years and models that have the Milwaukee-Eight engine. If replacing the oil pump on 2017 - 2019 vehicle with a Milwaukee-Eight engine and pump should only be install as a complete unit. It is important to note that the new oil pumps, or their internal components, are not compatible with old oil pump versions.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10164800-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10164800-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10164800","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"TOURING","year_from":2017,"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":[]}