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Service bulletin PI-679

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 id10032013
Published by NHTSA2010-02-04
Manufacturer's numberPI-679
Manufacturer's date2009-04-03
NHTSA componentFUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

NHTSA's summary

MACK TRUCK: AFTERTREATMENT FUEL INJECTOR (AFI) AIR PURGE SYSTEM KIT INSTALLATION. CERTAIN MP10 ENGINE EQUIPPED CHASSIS DO NOT INCLUDE THE CONTINUOUS AIR PURGE SYSTEM FOR THE AFTERTREATMENT FUEL INJECTOR (AFI). MACK TRUCKS HAS AUTHORIZED INSTALLATION OF THE AIR PURGE SYSTEM RETROFIT KIT ON THESE CHASSIS. NO MODELS OR MODEL YEARS LISTED. *PE

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

Fuel system, Fuel injection

Vehicles listed
MACK MACK

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