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Service bulletin 052

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 id10015150
Published by NHTSA2005-06-22
Manufacturer's number052
Manufacturer's date2005-05-05
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

THE INJECTOR HARNESS WILL NEED TO BE REPLACED ON SERIES 60 EGR 12.7 AND 14L ENGINES IN ORDER TO ADDRESS QUALITY ISSUES AND PREVENT ENGINE FAILURES. DETROIT DIESEL. *TT

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
UNKNOWN UNKNOWN

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