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Service bulletin 15108

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 id10058432
Published by NHTSA2015-09-21
Manufacturer's number15108
Manufacturer's date2015-07-15
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

COOLANT LOSS AND ILLUMINATING AMBER RESULTING FROM RADIATOR INLET HOSE POSSIBLY SEPARATING FROM THE RADIATOR INLET *CN

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, Radiator

Vehicles listed
INTERNATIONAL WORKSTAR2014, 2015
INTERNATIONAL WORKSTAR2016
NAVISTAR 1000 SERIES

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

Other bulletins for the same vehicles and component
IK12012482018-02-21. Service bulletin. Cooling System Flush Procedure
IK12000292017-02-06. Service bulletin. RADIATOR INTERNAL RESTRICTION AND FLUSH PROCEDURE
IK09000872016-10-31. Service bulletin. TEMPERATURE RADIATOR DIAGNOSTICS
IK-08005122016-09-01. Service bulletin. WORKSTAR UPPER RADIATOR HOSE UPDATE