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Service bulletin FSB 255-025

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 id10083620
Published by NHTSA2016-10-27
Manufacturer's numberFSB 255-025
Manufacturer's date2016-01-29
NHTSA componentENGINE

NHTSA's summary

TURBOCHARGER REORIENTATION. DUE TO PART NUMBER REDUCTION, WHEN REPLACING THE TURBOCHARGER ON MACK LEU AND MRU VEHICLES WITH MP7 AND MP8 ENGINES THE TURBOCHARGER COMPRESSOR HOUSING MUST BE REORIENTED TO ALIGN WITH THE CHARGE AIR COOLER PIPE FLANGE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
MACK MACK

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