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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 id10055989
Published by NHTSA2014-08-08
Manufacturer's numberPI-0851
Manufacturer's date2014-06-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

NHTSA's summary

MACK TRUCK: MUST REPLACE, ON SOME TRUCKS, THE EGR COOLER COOLANT RETURN HOSE. *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

Engine, Cooling system

Vehicles listed
MACK TD2010 to 2014

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