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Service bulletin FSB 222 004 Mack

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 id10200202
Published by NHTSA2021-08-09
Manufacturer's numberFSB 222 004 Mack
Manufacturer's date2016-01-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: OIL COOLER; ENGINE; EQUIPMENT

NHTSA's summary

FIELD SERVICE BULLETIN TRUCKS: The introduction of a new style oil filter housing requires replacement of the oil cooler inlet pipe when replacing the previous style housing on US2010 and US2014 emission MACK MP8 engines with an engine serial number less than 1125655. Installation procedures remain the same, refer to Function Group 22 in Impact for proper installation. The updated oil filter housing went into production September 2015.

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, Engine oil and lubrication

Vehicles listed
MACK CHU2016
MACK CXU2016
MACK GU2016
MACK MRU2016

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