# Service bulletin 12\-227\-21

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: 10202839
- Published by NHTSA: 2021\-11\-02
- Manufacturer's number: 12\-227\-21
- Manufacturer's date: 2021\-10\-20
- NHTSA component: VISIBILITY

## NHTSA's summary

This bulletin outlines the cleaning procedure for windshield wiper blades to address instances of a juddering\-type motion during operation.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10202839-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10202839-9999.pdf)

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

## Components

Glass, wipers and mirrors

## Vehicles listed

- SUBARU SUBARU
- SUBARU SUBARU TRUCK

JSON: [/v1/bulletins/10202839](/v1/bulletins/10202839)

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