Engine and engine cooling
Volvo technical service bulletin S3903 202403 for 2023-2024 Volvo VNL, 2023-2024 Volvo VN and 2023-2024 Volvo VHD and others.
- Bulletin number
- S3903 202403
- Component
- Engine and engine cooling
- 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.
Vehicles covered
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