Navistar N10 User Manual

1DIAGNOSTICTROUBLESHOOTINGPROCEDURES7
TableofContents
DiagnosticTroubleCode(DTC’s)List...............................................................................11
OperationalCheckoutProcedures...................................................................................23
1.0-PreliminaryVehicleOperationalCheckoutProcedure............................................23
2.0-EngineDoesNotStartOperationalCheckoutProcedure........................................26
3.0-EngineHardtoStartOperationalCheckoutProcedure...........................................30
4.0-EngineRunning,EngineNotUnderLoadOperationalCheckoutProcedure.................34
5.0-EngineRunning,EngineUnderLoadOperationalCheckoutProcedure......................36
6.0-CoolingSystemOperationalCheckoutProcedure................................................38
7.0-LubeOilSystemOperationalCheckoutProcedure................................................39
8.0-FuelSystemOperationalCheckoutProcedure.....................................................40
9.0-EngineCompressionBrakeOperationalCheckoutProcedure..................................41
10.0-SCRAftertreatmentOperationalCheckoutProcedure..........................................42
11.0-ECMLossofCommunication........................................................................43
EngineDoesNotStartSymptoms....................................................................................49
2.1-EngineCranksFast,Slow,orDoesNotCrank.....................................................49
2.2-EngineNoStart,ColdAmbientTemperature.......................................................53
2.3-EngineatOperatingTemperature,NoRe-Start.....................................................54
2.4-EngineNeverStarts.....................................................................................57
EngineHardtoStartSymptoms......................................................................................60
3.1-EngineHardtoStart,ColdAmbientTemperature.................................................60
3.2-EngineatOperatingTemperature,HardtoRe-Start...............................................62
3.3-EngineStarts,ThenStalls..............................................................................64
EngineRunning,EngineNotUnderLoadSymptoms............................................................66
4.1-RoughIdle.................................................................................................66
4.2-EngineUnableToReachRatedSpeed(NoLoad)..................................................70
4.3-PoppingNoisefromIntake.............................................................................72
EngineRunning,EngineUnderLoadSymptoms..................................................................74
5.1-LowPower(SlowAcceleration).......................................................................74
5.2-Misre(Stumble/Surge/RunsRough).............................................................80
5.3-EngineUnabletoReachDesiredSpeedDuringPTOOperation................................84
EngineCoolantSymptoms............................................................................................88
6.1-CoolantContaminated..................................................................................88
6.2-CoolantLoss..............................................................................................89
6.3-CoolantOver-Temp......................................................................................91
6.4-CoolantOverow........................................................................................94
6.5-CoolantLeaktoExhaust...............................................................................97
6.6-CoolantLeaktoIntake.................................................................................101
6.7-CoolantLeaktoLubeOil.............................................................................102
EngineLubricationSymptoms......................................................................................107

Navistar N10 Specifications

General

Brand	Navistar
Model	N10
Category	Engine
Language	English