# Service bulletin S3903 202403

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: 10252324
- Published by NHTSA: 2024\-04\-02
- Manufacturer's number: S3903 202403
- Manufacturer's date: 2024\-03\-01
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Service Campaign: Volvo trucks has determined that certain VAH, VHD, and VN model trucks built with a D13 engine could experience a reduced clamping load on the turbocharger mounting hardware causing the hardware to become loose. On affected vehicles follow the instructions below to remove the turbocharger and replace the mounting hardware and mounting gasket with new parts.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10252324-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10252324-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2023 to 2024 VOLVO VAH
- 2023 to 2024 VOLVO VH
- 2023 to 2024 VOLVO VHD
- 2023 to 2024 VOLVO VN
- 2023 to 2024 VOLVO VNL
- 2023 to 2024 VOLVO VNR

JSON: [/v1/bulletins/10252324](/v1/bulletins/10252324)

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