# Service bulletin 511628B

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: 10237627
- Published by NHTSA: 2023\-07\-05
- Manufacturer's number: 511628B
- Manufacturer's date: 2023\-06\-12
- NHTSA component: VISIBILITY; VISIBILITY/WIPER

## NHTSA's summary

According to DTNA Recall FL969/23V237: "On the affected vehicles, the spline teeth in the windshield wiper arms may wear and break. This can cause the wipers to fail, reducing the driver’s visibility, and increasing the risk of crash."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237627-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237627-9999.pdf)

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

## Components

Glass, wipers and mirrors, Wipers and washers

## Vehicles listed

- 2023 CHAMPION CHALLENGER
- 2023 CHAMPION CRUSADER
- 2023 CHAMPION DEFENDER
- 2020 CHAMPION BUS AMERICAN CRUSADER
- 2020 CHAMPION BUS CHALLENGER
- FOREST RIVER BUS FOREST RIVER BUS
- 2021 to 2022 STARCRAFT BUS STARLITE
- 2021 to 2022 STARCRAFT BUS STARQUEST

JSON: [/v1/bulletins/10237627](/v1/bulletins/10237627)

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