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Service bulletin FSB 237-021

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 id10189928
Published by NHTSA2021-04-06
Manufacturer's numberFSB 237-021
Manufacturer's date2021-03-22
NHTSA componentFUEL SYSTEM, DIESEL; EQUIPMENT; ENGINE

NHTSA's summary

Valve, Common Rail, Removal

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, Equipment and accessories, Fuel system

Vehicles listed
VOLVO VAH2016 to 2018
VOLVO VHD2016 to 2018
VOLVO VN2016 to 2018

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