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Service campaign S4358 202501

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11013458
Published by NHTSA2025-02-03
Manufacturer's numberS4358 202501
Manufacturer's date2025-01-01
NHTSA componentENGINE

NHTSA's summary

SC - Volvo Trucks has identified that certain VN 4 model trucks equipped with a D13 Turbo Compound (TC) engine may be at risk of TC unit failure due to an under-torqued idler gear bracket.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
VOLVO VNL (4)2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.