Navistar MaxxForce 10 Diagnostic Manual

DIAGNOSTICMANUAL
Step
ActionDecision
3
DetermineifPDOCorDOCiscontaminated.Removethe
PDOCandDOC(seeExhaustSystemServiceManual),and
checkforsignsoflubeoilandcoolantcontamination.
NOTE–Ablackstainingintheexhausttailpipecanoccur
onapplicationsthatexperiencehighidletimes.Thisis
normalandtheDPFshouldNOTbereplaced.
ArethePDOCandDOCcontaminated?
Yes:RemoveDPF ,andthengoto
step4.
No:gotostep5
Step
ActionDecision
4
DetermineifDPF,DOC,andPDOCarereusableseeDPF
andDOCreuseguidelinespage159.
BasedonDPFandDOCRe-UseGuidelines,aretheDPF ,
DOC,andPDOCreusable?
Yes:Gotostep6
No:Replacefailedcomponent(s).
Afterrepairsarecomplete,gotostep
6.
Step
ActionDecision
5
Determineifremovedaftertreatmentsystemcomponents
needtobecleanedseeDPFandDOCreuseguidelinespage
159.
BasedonDPFandDOCRe-UseGuidelines,doanyofthe
removedaftertreatmentsystemcomponentsneedtobe
cleaned?
Yes:Cleancomponentsusing
appropriatecleaningequipment.After
cleaningprocedureiscomplete,install
componentsandgotostep7.
No:Installremovedaftertreatment
systemcomponents,andgotostep7.
Step
ActionDecision
6
Determinerootcauseofexhaustsystemcontamination.(See
EngineSymptomsDiagnosticssectioninEngineDiagnostic
Manual.)
Afterrepairsarecomplete,gotostep
7.
92
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Navistar MaxxForce 10 Specifications

General

Brand	Navistar
Model	MaxxForce 10
Category	Engine
Language	English