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Service bulletin PI 0851

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 id10083082
Published by NHTSA2016-10-20
Manufacturer's numberPI 0851
Manufacturer's date2014-06-23
NHTSA componentENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

MACK TRUCKS HAS AUTHORIZED REPLACEMENT OF THE EGR COOLER COOLANT RETURN HOSE ON VEHICLES BUILT BETWEEN 01/01/2010 AND 05/16/2014 WITH MACK MP10 US2010 OR MP10 US2014 ENGINES. APPROXIMATELY 302 VEHICLES ARE INVOLVED IN THIS CAMPAIGN. THE EGR COOLER COOLANT RETURN HOSE MUST BE CHANGED ON ALL VEHICLES INVOLVED IN THIS CAMPAIGN.

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, Exhaust and emissions, EGR valve

Vehicles listed
MACK MACK

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