# Service bulletin TSB 561\-002A 202609

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: 11037672
- Published by NHTSA: 2026\-10\-01
- Manufacturer's number: TSB 561\-002A 202609
- Manufacturer's date: 2026\-09\-17
- NHTSA component: UNKNOWN OR OTHER; ENGINE; SERVICE BRAKES

## NHTSA's summary

Volvo Trucks has identified that certain VN\(4\) model vehicles may experience an air leak at the air compressor discharge hose due to damage caused by the hose contacting other components. Contact between the hose and other components can cause abrasions and lead to hose failure. Follow the instructions to correct the hose routing.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037672-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037672-9999.pdf)

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

## Components

Brakes, Engine

## Vehicles listed

- 2025 to 2026 VOLVO VNL \(4\)
- 2025 to 2026 VOLVO VNR \(4\)

JSON: [/v1/bulletins/11037672](/v1/bulletins/11037672)

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