# Service bulletin 511590

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: 10228688
- Published by NHTSA: 2023\-01\-04
- Manufacturer's number: 511590
- Manufacturer's date: 2023\-01\-04
- NHTSA component: SUSPENSION

## NHTSA's summary

According to the recall notice received from General Motors per recall 22V874: "The hex flange lock nuts used in the suspension and steering joints, were improperly heat treated and may break."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10228688-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10228688-9999.pdf)

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

## Components

Suspension

## Vehicles listed

- FOREST RIVER FOREST RIVER

JSON: [/v1/bulletins/10228688](/v1/bulletins/10228688)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20511590&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10228688&vehicle=Service%20bulletin%20511590)