# Service bulletin RC000229SAOwner

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: 10198478
- Published by NHTSA: 2021\-06\-28
- Manufacturer's number: RC000229SAOwner
- Manufacturer's date: 2021\-06\-25
- NHTSA component: STEERING

## NHTSA's summary

On certain Detroit Model 2 and 3 steer axles, the tie rod arm and steering arm bolts used to assemble front axle assemblies have a lengthwise “seam” defect which increases stress concentration, potentially leading to bolt failure or loss of pre\-load This affects the following Thor Motor Coach products: model year 2022 Aria, Palazzo, and Venetian motorhomes.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198478-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198478-9999.pdf)

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

## Components

Steering

## Vehicles listed

- 2022 THOR MOTOR COACH ARIA
- 2022 THOR MOTOR COACH PALAZZO
- 2022 THOR MOTOR COACH VENETIAN

JSON: [/v1/bulletins/10198478](/v1/bulletins/10198478)

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