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Service bulletin CBR 2474-1 202506

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 bulletin
NHTSA id11019961
Published by NHTSA2025-07-01
Manufacturer's numberCBR 2474-1 202506
Manufacturer's date2025-06-04
NHTSA componentPOWER TRAIN

NHTSA's summary

CBR - This bulletin provides guidance for identifying and addressing oil intrusion related to the Countershaft Brake (CSB) in AMT-G transmissions.

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

Transmission and driveline

Vehicles listed
VOLVO VNL (4)2025

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