# Service bulletin M1588

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: 10237435
- Published by NHTSA: 2023\-06\-06
- Manufacturer's number: M1588
- Manufacturer's date: 2023\-05\-26
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT

## NHTSA's summary

SERVICE BULLETIN M1588: TOOL REQUIREMENT FOR 2023 CVO ROAD AND STREET GLIDE. PURPOSE: This bulletin informs dealers that for the new 2023 CVO Road Glide and CVO Street Glide a tool for bleeding the coolant systems is no longer just recommended, but required to complete the bleed properly. This service cannot be performed properly without this tool.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237435-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237435-9999.pdf)

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

## Components

Engine, Equipment and accessories

## Vehicles listed

- 2023 HARLEY\-DAVIDSON FLHXSE
- 2023 HARLEY\-DAVIDSON FLTRXSE

JSON: [/v1/bulletins/10237435](/v1/bulletins/10237435)

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