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Service bulletin KC-304

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 id10207062
Published by NHTSA2022-02-04
Manufacturer's numberKC-304
Manufacturer's date2022-01-06
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Cylinder Head Reuse And Replacement Guidelines - Inspection And Information - US04 And Newer Emissions, Commonly 2007 And Newer Model Years

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 7802011
VOLVO 7802016
VOLVO VAH2007 to 2022
VOLVO VH2007 to 2011
VOLVO VHD2007 to 2022
VOLVO VN2007 to 2022
VOLVO VNL2007 to 2022
VOLVO VNM2007 to 2021
VOLVO VNR2017 to 2022
VOLVO VNX2013 to 2021
VOLVO VT2007 to 2016
VOLVO WHEB2013

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