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December 9, 2019 Service bulletin

Technical tip TT466: updated oil pump for milwaukee-eight engines

Harley-Davidson technical service bulletin TT466 for 2019-2020 Harley-Davidson Flhtk, 2019-2020 Harley-Davidson Fltrx and 2017-2019 Harley-Davidson Touring and others.

Bulletin number
TT466
Component
Engine and engine cooling
Summary
TECHNICAL TIP TT466: UPDATED OIL PUMP FOR MILWAUKEE-EIGHT ENGINES. PURPOSE: Revision. 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.

Owners of these vehicles have filed 3 complaints in the engine category.

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