Navistar MaxxForce 9

SECTION5–MAINTENANCESCHEDULEANDSERVICEPROCEDURES
WARNING
Topreventpersonalinjuryordeath,donotlet
engineuidsstayonyourskin.Cleanskinand
nailsusinghandcleanerandwashwithsoap
andwater.Washordiscardclothingandrags
contaminatedwithengineuids.
WARNING
Topreventpersonalinjuryordeath,dothe
followingwhenremovingtheradiatorcapor
coolanttankcap:
•Allowtheenginetocoolfor15minutesormore.
•Wrapathickclotharoundtheradiatorcapor
coolanttankcap.
•Loosencapslowlyaquartertohalfturntovent
pressure.
•Pauseforamomenttoavoidbeingscaldedby
steam.
•Continuetoturncapcounterclockwiseto
remove.
1.Parkvehicleonlevelground.Setparkingbrakeandshift
transmissiontoparkorneutral.
2.Placeadrainpanundertheradiator.
3.Removecoolanttankcap.
4.Placecoolantdrainpanunderradiatordrainvalveandopen
radiatordrainvalvetodraincoolant.
5.Afterradiatorhasdrained,closethedrainvalveandmove
thedrainpanbeneaththeoilsystemmodule.
Figure41EGRcoolantdrainplug
6.IftheExhaustGasRecirculation(EGR)coolermustbe
removedfromtheenginethecoolantshouldbedrained
beforeremoval.SeeEngineServiceManualfortheremoval
andinstallationprocedure.
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