Name: International VT 275 V6
Brand: International
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VT 275 V6 ENGINE

model year 2005

Safety Information2
Safety Instructions2
Table of Contents3
Direct Injection Turbocharged Diesel Engine5
Vt 275 Overview6
Vt 275 Engine Specifications6
Horsepower and Torque6
Engine Serial Number7
Emissions Label7
Cylinder Numbering7
Component Locations - Front of Engine8
Component Locations - Left Front of Engine9
Component Locations - Left Side of Engine10
Component Locations - Left Rear of Engine11
Component Locations - Rear of Engine12
Component Locations - Right Rear of Engine13
Component Locations - Right Side of Engine14
Component Locations - Right Front of Engine15
Component Locations - Top of Engine Without Harness16
Component Locations - Top of Engine with Harness17
Vt 275 Design Features18
Cylinder Head Assembly18
Rocker Arm Carrier18
Crankcase Assembly19
Crankcase and Oil Pan19
Gear Timing20
Rear Gear Train20
Offset Crankpins21
Balance Shaft Timing21
System Features22
Electronic Control System22
- Ecm23
- IDM23
- EGR Drive Module24
- Inlet Air Heater Element24
- Injection Pressure Regulator (IPR) Valve25
- Glow Plug Relay25
- Inlet Air Heater Relay25
- Boost Control Solenoid26
- Exhaust Gas Recirculation (EGR) Valve26
- Mass Air Flow (MAF) Sensor26
- ECM Relay Circuit Operation27
- Key Power27
- Shut down27
- IDM Relay Circuit Operation28
- IDM Power up28
- IDM Logic28
- Engine Coolant Temperature (ECT) Sensor29
- Engine Oil Temperature (EOT) Sensor29
- Sensor Circuit29
- Temperature Sensor Operation29
- Engine Oil Pressure Switch (EOPS)30
- Pressure Sensor Operation30
- Manifold Absolute Pressure (MAP) Sensor30
- Injection Control Pressure (ICP) Sensor30
- Magnetic Pick-Up Sensors31
- Camshaft Position (CMP) Sensor31
- Crankshaft Position (CKP) Sensor31
- Glow Plug System32
- Relay Operation32
- Glow Plug Lamp32
- Glow Plug Diagnostics32
- Inlet Air Heater Diagnostics33
- Inlet Air Heater Operation33
- Sensor Operation34
- Sensor Construction34
- Pump Operation35
- Fuel Heater35
- Water-In-Fuel Sensor35
- Accelerator Pedal Position Sensor / Idle Validation Switch36
- Barometric Absolute Pressure (BAP) Sensor36
- Cruise Control36
- Drive Module Operation37
- Communication37
- EGR Valve37
- EGR System37
- Crank Position Output (CKPO)38
- Cam Position Output (CMPO)38
- ECM/IDM Communications38
- A/C Clutch Control39
- A/C Demand39
- A/C Control39
- Switches39
Air Management System40
- System Operation41
- Air Filter Restriction Gauge42
- Intake Manifold42
- Intake Flow43
- Two-Stage Regulated Turbocharger43
- Exhaust Flow43
- Exhaust Bypass Valve44
- Diverted Exhaust Gas Flow44
- Turbocharger Actuator45
- Actuator Line Routing45
- Turbocharger Crossover Tube46
- Turbocharger Mounting46
- EGR Flow47
Fuel Supply System48
- Horizontal Fuel Conditioning Module50
- Primary Fuel Filter and Fuel Heater50
- Fuel Inlet Check Valves51
- Secondary Fuel Filter51
- Fuel Pressure Regulator Valve51
Fuel Management System52
- Oil Reservoir54
- High Pressure Pump54
- Injection Pressure Regulator54
- Injection Control Pressure Sensor55
- High Pressure Oil Rail55
- Port Plugs and Tubes55
- Fuel Injector Features56
Injector Operation56
- Nozzle57
- Intensifier Piston57
- Barrel & Plunger57
- Spool Valve57
- Fill58
- Injection58
- End of Injection59
- Injector Sealing59
Lubrication System60
- Upper and Lower Oil Pan62
- Front Cover Oil Flow62
- Gerotor Pump63
- Oil Pressure Regulator Valve63
- Oil Cooler64
- Oil Cooler Housing and Oil Filter Base64
- Oil Filter65
- Oil Filter Bypass65
- Oil Filter Base and Valves66
- Reservoir and Screen66
- Turbocharger Feed Line67
- Crankcase Oil and Coolant Passages67
- System Features and Flow68
Cooling System68
- Coolant Flow/Oil Cooler69
- Crankcase Flow69
- Front Cover Flow69
- EGR Cooler Flow70
- EGR Cooler Seal70
- Glow Plug and Injector Sleeves70
- Service Intervals71
- Belt Routing71
- Removing Flywheel Adapter72
- Removing Seal72
Unique Repair Procedures72
- Seal Installer Base73
- Installing Seal & Wear Sleeve73
- Flexplate Bolts73
- Removing Turbocharger74
- Removing Mounting Bolts74
- Turbocharger Removal74
- Replacing O-Rings75
- Turbocharger Installation75
- Torque Turbine Mating Clamp75
- Replacing Turbocharger Crossover Seal76
- Installing Seal76
- Removing EGR Valve77
- Injector Removal77
- Injector Connectors77
- Case-To-Head Tube Installation78
- Injector Installation78
- O-Ring Replacement78
- Position Crankshaft for Rocker Removal79
- Installing Spring Compressor Base79
- Compressor Plate79
- Cylinder Head Removal: Rocker Carrier80
- Installing Head and Carrier81
- Intake Manifold Gaskets81
- Cylinder Head Torque Sequence82
- Vibration Damper82
- Connecting Rod83
- Crankshaft Flange Bolts83
- Primary Balance Weight Removal84
- Front Cover Removal84
- Rear Cover Removal84
- Balance Shaft Removal85
- Camshaft Timing85
Special Tools86
Hard Start no Start Diagnostics90
Diagnostic Procedures90
- Performance Diagnostics92
- Diagnostic Tests94
- Measure Fuel Pressure94
- Check for Fuel Aeration94
- Measure Fuel Pump Discharge Pressure95
- Measure Fuel Inlet Restriction95
- Measure Crankcase Pressure96
- ICP System Checks96
- ICP System Function Test97
- IPR Function Test97
- Under Valve Cover Leak Test98
- Cylinder Head Isolation98
- High Pressure Pump Test99
- ICP Diagnostics99
Diagnostic Trouble Codes100
Engine & Chassis Schematic102
Power Distribution Center Fuses104
Glossary106
Index108

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International VT 275 V6 Specifications

General

Brand	International
Model	VT 275 V6
Category	Engine
Language	English

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