SECTION5–MAINTENANCESCHEDULEANDSERVICEPROCEDURES
5.Installandtightenthecoolanttankcapuntiltheplasticcap
clicksorthemetalcaprunsupagainstthedetent.
CRANKCASEPRESSURE
ServiceInterval:180,000-200,000miles(290,000-322,000
km)or6,700-7,500hours
•Forinspectionprocedures,seetheapplicableEngine
DiagnosticManual.
•Haveanauthorizedserviceprovidermeasurethe
crankcasepressureatthecorrectserviceinterval.
TURBOCHARGERS
ServiceInterval:180,000-200,000miles(290,000-322,000
km)or6,700-7,500hours
1.Clean,thenremovetheturbochargercompressorinlet
connectionsforbothturbochargers.
2.Inspectthecompressorwheelsforthefollowing:
•Dirtorcorrosion
•Wheelrubdamage
•Wheelbladedamage(bentorbrokentips)
3.Checkconditionofturbochargers.(Consultwithan
authorizedserviceprovideifquestionable.)
CLEANINGDIESELPARTICULATEFILTER
ForEngineUsingCJ-4EngineOil
ServiceInterval:200,000miles(322,000km)30monthsor
6,000hours
CleanDPFatdesignatedserviceinterval.TheECMwill
illuminatetheMILandgenerateanAshServicingRequired
messageontheintegraldigitaldisplayatorifnecessarybefore
thespeciedinterval.T akevehicletoyourNavistarcertied
dealerforcleaning.
ForEnginesUsingCI-4EngineOil
ServiceInterval:150,000miles(241,000km)22monthsor
4,500hours
CleanDPFatdesignatedserviceinterval.T akevehicletoan
authorizedserviceproviderforcleaning.
SERVICECOOLINGSYSTEM
ServiceIntervalforExtendedLifeCoolant:300,000miles
(500,000km)or12,000hours
WARNING
Topreventpersonalinjuryordeath,shift
transmissiontoparkorneutral,setparking
brake,andinstallwheelchocksbeforedoing
diagnosticorserviceprocedures.
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