FUEL INJECTION (FUEL SYSTEMS)(H4DOTC DIESEL) > General Description

COMPONENT

1. INTAKE MANIFOLD

• Installation location

(1)

Intake manifold

(4)

Air duct hose (LH)

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Intake manifold protector

(5)

Clamp

T1:

5.5 (0.6, 4.1)

(3)

Gasket

   

T2:

6.4 (0.7, 4.7)

       

T3:

25 (2.5, 18.4)

• Intake manifold

(1)

Intake manifold

(10)

Gasket

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Gasket

(11)

By-pass air pipe

T1:

3.5 (0.4, 2.6)

(3)

Collector

(12)

Manifold absolute pressure and intake air temperature sensor

T2:

8 (0.8 5.9)

(4)

Gasket

(13)

O-ring

T3:

13 (1.3, 9.6)

(5)

EGR control valve

(14)

Boost control valve

T4:

19 (1.9, 14.0)

(6)

Stud bolt

(15)

Vacuum hose

T5:

70 (7.1, 51.6)

(7)

Gasket

(16)

Solenoid valve damper

   

(8)

Throttle body

(17)

Clip

   

(9)

Plug

(18)

Vacuum hose

   

2. CRANKSHAFT POSITION SENSOR, CAMSHAFT POSITION SENSOR, ENGINE COOLANT TEMPERATURE SENSOR

(1)

Crankshaft position sensor

(5)

Gasket

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Camshaft position sensor

(6)

Engine coolant temperature sensor

T1:

6.4 (0.7, 4.7)

(3)

Engine hanger

(7)

Intake manifold stay

T2:

18 (1.8, 13.3)

(4)

O-ring

   

T3:

19 (1.9, 14.0)

3. FUEL TANK

(1)

Fuel tank

(13)

Filter

(25)

Stopper LH

(2)

Fuel tank band RH

(14)

Fuel sub level sensor

(26)

Stopper RH

(3)

Fuel tank band LH

(15)

Fuel sub level sensor plate upper

(27)

Clamp

(4)

Fuel level sensor gasket

(16)

Fuel sub level sensor protector

   

(5)

Fuel level sensor

(17)

Fuel sub delivery tube

Tightening torque:N·m (kgf-m, ft-lb)

(6)

Fuel level sensor case ASSY

(18)

Fuel return tube (LHD model)

T1:

2 (0.2, 1.5)

(7)

Fuel level sensor plate upper

(19)

Fuel delivery tube (RHD model)

T2:

2.5 (0.3, 1.8)

(8)

Clip

(20)

Retainer

T3:

4.4 (0.4, 3.2)

(9)

Air vent hose

(21)

Tube clamp

T4:

9 (0.9, 6.6)

(10)

Clamp

(22)

Heat shield cover

T5:

18 (1.8, 13.3)

(11)

Fuel filler hose

(23)

Fuel tank protector LH

T6:

33 (3.4, 24.3)

(12)

Fuel sub level sensor gasket

(24)

Fuel tank protector RH

   

4. SUB FUEL PUMP, FUEL DAMPER, TWO-WAY VALVE

(1)

Clamp

(9)

Fuel hose

(17)

Sub fuel pump bracket B

(2)

Fuel hose

(10)

Clip

   

(3)

Fuel damper ASSY

(11)

Hose

Tightening torque:N·m (kgf-m, ft-lb)

(4)

Fuel hose

(12)

Two-way valve

T1:

1.25 (0.1, 0.9)

(5)

Sub fuel pump

(13)

Drain hose

T2:

7.5 (0.8, 5.5)

(6)

Sub fuel pump bracket A

(14)

Clamp bracket

T3:

8.5 (0.9, 6.3)

(7)

Fuel hose

(15)

Hose clamp

T4:

1.5 (0.2, 1.1)

(8)

Fuel damper

(16)

Clamp

T5:

7.35 (0.7, 5.4)

5. FUEL FILTER ASSEMBLY

• Installation location

(A)

LHD model

(B)

RHD model

   
           

(1)

Fuel filter ASSY

(3)

Fuel filter lower bracket

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Fuel filter protector

(4)

Harness clip (LHD model only)

T1:

13 (1.3, 9.6)

       

T2:

18 (1.8, 13.3)

• Exploded view

(1)

Heater switch

(6)

Fuel filter

Tightening torque:N·m (kgf-m, ft-lb)

(2)

O-ring

(7)

O-ring

T1:

2 (0.2, 1.5)

(3)

O-ring

(8)

Sedimentor level switch

T2:

4.9 (0.5, 3.6)

(4)

Priming pump ASSY

(9)

O-ring

T3:

17.2 (1.8, 12.7)

(5)

O-ring

(10)

Drain plug

   

6. FUEL INJECTOR

(1)

Gasket

(3)

Fuel injector holder

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Fuel injector

(4)

Bolt

T1:

7.7 (0.8, 5.7)

       

T2:

7. FUEL PUMP, FUEL PUMP GEAR, COMMON RAIL ASSEMBLY

(1)

Gasket

(7)

Noise cushion

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Fuel return pipe

(8)

Snap ring

T1:

19 (1.9, 14.0)

(3)

Common rail ASSY

(9)

Washer

T2:

20 (2.0, 14.8)

(4)

Fuel delivery pipe

(10)

Sub gear

T3:

35 (3.6, 25.8)

(5)

Fuel pump

(11)

Spring

T4:

63.7 (6.5, 47.0)

(6)

O-ring

(12)

Fuel pump gear

   

8. FUEL DELIVERY PIPE

(1)

Fuel pipe holder

(10)

Clamp

(18)

Fuel return pipe (RHD model)

(2)

Fuel return pipe (LHD model)

(11)

Fuel hose (LHD model)

(19)

Fuel return pipe (LHD model)

(3)

Fuel pipe holder stay

(12)

Fuel pipe (LHD model)

   

(4)

Cap

(13)

Gasket

Tightening torque:N·m (kgf-m, ft-lb)

(5)

Fuel delivery pipe (No. 2)

(14)

Fuel pipe (RHD model)

T1:

1.25 (0.1, 0.9)

(6)

Fuel delivery pipe (No. 4)

(15)

Fuel hose (RHD model)

T2:

6.4 (0.7, 4.7)

(7)

Fuel delivery pipe (No. 1)

(16)

Fuel pipe (RHD model)

T3:

17 (1.7, 12.5)

(8)

Fuel delivery pipe (No. 3)

(17)

Fuel hose (RHD model)

T4:

35 (3.6, 25.8)

(9)

Fuel pipe

       

9. FUEL RETURN PIPE

(1)

Fuel pipe

(11)

Fuel hose (RHD model)

(21)

Fuel hose (LHD model)

(2)

Clamp

(12)

Fuel delivery pipe

(22)

Fuel hose

(3)

Fuel hose

(13)

Gasket

(23)

Fuel return pipe (LH)

(4)

Fuel return pipe (LHD model)

(14)

Fuel return pipe (RH)

 

(5)

Fuel pipe (LHD model)

(15)

Fuel return pipe (RH)

Tightening torque:N·m (kgf-m, ft-lb)

(6)

Fuel hose (LHD model)

(16)

Fuel pipe protector

T1:

1.25 (0.1, 0.9)

(7)

Clip

(17)

Fuel return pipe (LH)

T2:

6.4 (0.7, 4.7)

(8)

Fuel hose (RHD model)

(18)

Gasket

T3:

12.5 (1.3, 9.2)

(9)

Fuel return pipe (RHD model)

(19)

Fuel delivery pipe

T4:

19 (1.9, 14.0)

(10)

Fuel pipe (RHD model)

(20)

Fuel pipe (RHD model)

T5:

20 (2.0, 14.8)

10. FUEL DELIVERY AND RETURN

(1)

Tether

(10)

Clamp

(19)

Fuel tube (RHD model)

(2)

Fuel filler cap

(11)

Fuel hose (LHD model)

   

(3)

Fuel filler ring

(12)

Fuel hose (RHD model)

Tightening torque:N·m (kgf-m, ft-lb)

(4)

Fuel filler pipe gasket

(13)

Fuel hose (LHD model)

T1:

1.25 (0.1, 0.9)

(5)

Fuel filler pipe ASSY

(14)

Fuel hose (RHD model)

T2:

2.5 (0.3, 1.8)

(6)

Clip

(15)

Fuel and brake pipe ASSY

T3:

4.5 (0.5, 3.2)

(7)

Clamp

(16)

Retainer

T4:

7.5 (0.8, 5.5)

(8)

Clamp

(17)

Fuel tube (LHD model)

   

(9)

Fuel pipe ASSY

(18)

Clamp

   

11. ENGINE HARNESS

• Structural diagram 1

(1)

Boost control valve connector

(2)

Docking connector (Attach the harness connector securely onto the stay lock.)

(3)

Body harness

(4)

Securely install the engine harness clip to intake manifold.

(5)

Manifold absolute pressure and intake air temperature sensor

(6)

Install the oil pressure switch connector with the harness opening facing upward than a horizontal position.

(7)

Fuel injector (#4)

(8)

Fuel injector (#2)

(9)

Securely install the engine harness clip to chain cover boss.

(10)

DPF pressure difference sensor

(11)

Engine coolant temperature sensor

(12)

Glow docking connector

(13)

Glow plug (#4)

(14)

Glow plug (#2)

(15)

Securely install the engine harness clip to rocker cover.

(16)

Throttle position sensor

(17)

Securely install the engine harness clips to the air breather pipe stay.

(18)

Securely install the engine harness clip to intake manifold.

(19)

Insert the harness to be connected to EGR control valve under air breather hose.

(20)

Insert the engine harness under the vacuum hose.

(21)

Camshaft position sensor

(22)

Fuel injector (#1)

(23)

Fuel injector (#3)

(24)

Crankshaft position sensor

(25)

Route the engine ground harness over the vacuum hose.

(26)

Exhaust temperature sensor 1

(27)

Exhaust temperature sensor 2

(28)

Glow plug (#1)

(29)

Glow plug (#3)

(30)

Turbocharger lift sensor

(31)

Securely install the engine harness clip to rocker cover.

• Structural diagram 2

(1)

Glow plug (#2)

(2)

Glow plug (#4)

(3)

Glow docking connector

(4)

Fuel injector (#4)

(5)

Fuel injector (#2)

(6)

DPF pressure difference sensor

(7)

Manifold absolute pressure and intake air temperature sensor

(8)

Route to the front side of the engine until installing intake manifold.

(9)

Boost control valve

(10)

Install the engine harness stay while pushing the stay against the generator bracket.

(11)

Camshaft position sensor

(12)

Fuel injector (#1)

(13)

Turbocharger lift sensor

(14)

Fuel injector (#3)

(15)

Glow plug (#1)

(16)

Glow plug (#3)

(17)

Engine ground

(18)

Engine harness connectors

(19)

Route the engine harness above the fuel pipe.

(20)

EGR control valve

(21)

Common rail pressure sensor

(22)

Suction control valve

(23)

Fuel temperature sensor

(24)

Throttle position sensor

(25)

Oil pressure switch

(26)

Securely install the harness connector to the lock part of the by-pass air pipe stay.

(27)

By-pass air pipe

(28)

Intake manifold protector

(29)

Turbocharger lift sensor

(30)

Securely install the harness connector to the lock part of the engine harness stay.

(31)

Engine harness stay

(32)

Exhaust temperature sensor 1

(33)

Exhaust temperature sensor 2

(34)

Securely install the harness connector to the stay lock part of the oil level gauge guide.

(35)

Crankshaft position sensor

(36)

Air breather pipe

(37)

Engine coolant pipe

     

Tightening torque:N·m (kgf-m, ft-lb)

 

T1:

6.4 (0.7, 4.7)

 

T2:

19 (1.9, 14.0)