Navistar MaxxForce DT Diagnostic Manual

DIAGNOSTICMANUAL
1.NewAftertreatmentFuelInjector
(AFI)gasket
2.EarlyproductionAFIgasket
Figure25AFIGasket
Step
ActionDecision
7
CAUTION
Donotremovethenozzleinjector
fromthedoserhousing.Spray
patterntestisnolongeravisual
checkforAftertreatmentFuel
Injector(AFI)replacement.
PerformAftertreatmentFuelInjector(AFI)visual
inspection.RemoveAFI(SeeEngineServiceManual)
andcheckforthefollowing:
VisualChecks:
•CorrectAFIgasketisinstalled(Figure25)
•AFIandboreunrestrictedandfreeofcarbonbuildup
•AFItipfreeofcracksandothervisibledamage
DidAFIpassallvisualchecks?
Yes:InstallAFI,thengotostep8.
No:Correctitemsthatfailedvisual
check(s).Afterrepairsarecomplete,
installAFIandgotostep8.
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Navistar MaxxForce DT Specifications

General

Brand	Navistar
Model	MaxxForce DT
Category	Engine
Language	English