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Service bulletin EC-0013

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 id10042996
Published by NHTSA2012-02-07
Manufacturer's numberEC-0013
Manufacturer's date2011-12-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

MACK TRUCK: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION REGARDING RECALL ON TRUCKS EXPERIENCING LEAKAGE BETWEEN COOLANT AND EXHAUST GAS PATH FOR ENGINE EMISSIONS. *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, 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.