Engine International VT365. Manual — part 2

ENGINE SYSTEMS

5

Table of Contents

Engine Identification. . . . . . . . . . . . . . . . . . . . . . . . . .7

Engine Serial Number. . . . . . . . . . . . . . . . . . . . . . ..7
Emission Labels (2004 and 2005 Model Years). . . . . . . . . . . . . . . 7
Emission Label (2006) Model Year. . . . . . . . . . . . . . . . . . ...8
Engine Description. . . . . . . . . . . . . . . . . . . . . . . ..9
Engine Component Locations. . . . . . . . . . . . . . . . . . . ...11

Engine Systems. . . . . . . . . . . . . . . . . . . . . . . . . . .16

Air Management System (AMS). . . . . . . . . . . . . . . . . . . .17

Charge Air Cooler (CAC). . . . . . . . . . . . . . . . . . . 20
Variable Geometry Turbocharger (VGT). . . . . . . . . . . . . . ..21
Exhaust Gas Recirculation (EGR) System. . . . . . . . . . . . . ...22
Exhaust System. . . . . . . . . . . . . . . . . . . . . ..24

Fuel Management System. . . . . . . . . . . . . . . . . . . . . 25

Fuel Injection. . . . . . . . . . . . . . . . . . . . . . ..25
Injection Control Pressure (ICP) System. . . . . . . . . . . . . . .26

Fuel Injectors. . . . . . . . . . . . . . . . . . . . . . . . ...28
Fuel Supply System. . . . . . . . . . . . . . . . . . . . . . ...30
Fuel Flow. . . . . . . . . . . . . . . . . . . . . . . . . . 31
Lubrication System. . . . . . . . . . . . . . . . . . . . . . . 33
Cooling System. . . . . . . . . . . . . . . . . . . . . . . . 37

Electronic Control System. . . . . . . . . . . . . . . . . . . . . . . .39

Electronic Control System Components . . . . . . . . . . . . . . . . ..39
Injection Drive Module (IDM). . . . . . . . . . . . . . . . . . . . .41
Engine and Vehicle Sensors. . . . . . . . . . . . . . . . . . . . .42

Glow Plug Control System. . . . . . . . . . . . . . . . . . . . . . . .47

6

ENGINE SYSTEMS

ENGINE SYSTEMS

7

Engine Identification

Engine Serial Number

Figure 1

Engine serial number

The engine serial number is stamped on the
crankcase pad on the rear left side of the crankcase
below the cylinder head.

The engine serial number is also on an identification
sticker on the valve cover.

Engine serial number examples

6.0HM2Y0000500

6.0HA2U0000508

Engine serial number codes

6.0 – Engine displacement
H – Diesel, turbocharged, Charge Air Cooled, and
electronically controlled
M2 – Truck
A2 – Service
U – USA
Y – USA Huntsville
7 digit suffix – Engine serial number sequence

Emission Labels (2004 and 2005 Model Years)

Two emission labels are on the right valve cover:

•

50 – State Exhaust Emissions Label

•

U.S. Federal Family Emission Limits Label

Figure 2 50 – State Exhaust Emissions Label
(example)

The 50 – State Exhaust Emissions Label includes the
following:

•

Year the engine was certified to meet EPA
emission standards

•

Engine model code

•

Service applications

•

Advertised brake horsepower ratings

Figure 3 U.S. Federal Family Emission Limits
label (example)

The U.S. Federal Family Emission Limits Label
identifies the engine family and emission limits
established by the manufacturer and certified by the
EPA.

8

ENGINE SYSTEMS

Emission Label (2006) Model Year

One emission label is on the right valve cover.

Figure 4 50 – State Exhaust Emissions Label
(example)

The 50 – State Exhaust Emissions Label includes the
following:

•

Year the engine was certified to meet EPA
emission standards

•

Engine model code

•

Service applications

•

Advertised brake horsepower ratings

Engine accessories

The

following

engine

accessories

may

have

manufacturer’s labels or identification plates:

•

Air compressor (for brake or suspension system )

•

Air conditioning compressor

•

Alternator

•

Cooling fan clutch

•

Variable Geometry Turbocharger (VGT)

•

Power steering / fuel pump

•

Starter motor

Labels or identification plates include information
and specifications helpful to vehicle operators and
technicians.