# Service bulletin TT466

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.

- Type: Service bulletin
- NHTSA id: 10169950
- Published by NHTSA: 2020\-01\-08
- Manufacturer's number: TT466
- Manufacturer's date: 2019\-12\-09
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's 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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169950-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169950-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2019 HARLEY\-DAVIDSON FLDE
- 2019 HARLEY\-DAVIDSON FLFB
- 2019 HARLEY\-DAVIDSON FLFBS
- 2019 HARLEY\-DAVIDSON FLHC
- 2019 HARLEY\-DAVIDSON FLHCS
- 2019 to 2020 HARLEY\-DAVIDSON FLHRXS
- 2019 to 2020 HARLEY\-DAVIDSON FLHTK
- 2019 HARLEY\-DAVIDSON FLHTKSE
- 2019 to 2020 HARLEY\-DAVIDSON FLRT
- 2019 HARLEY\-DAVIDSON FLSL
- 2019 to 2020 HARLEY\-DAVIDSON FLTRX
- 2017 to 2019 HARLEY\-DAVIDSON TOURING
- 2017 to 2018 HARLEY\-DAVIDSON TRIKE

JSON: [/v1/bulletins/10169950](/v1/bulletins/10169950)

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