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

COMPONENT

1. INTAKE MANIFOLD

Installation location

(1)

Intake manifold

(4)

Air duct hose

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Intake manifold protector

(5)

Clamp

T1:

5 (0.5, 3.7)

(3)

Gasket

   

T2:

6.4 (0.7, 4.7)

       

T3:

19 (1.9, 14.0)

       

T4:

25 (2.5, 18.4)

Intake manifold

(1)

Intake manifold

(10)

By-pass air pipe

(19)

O-ring

(2)

Air breather hose stay

(11)

Vacuum hose

(20)

Stud bolt

(3)

Gasket

(12)

Boost control valve

   

(4)

EGR control valve

(13)

Vacuum hose

Tightening torque:N·m (kgf-m, ft-lb)

(5)

Gasket

(14)

Solenoid valve damper

T1:

3.5 (0.4, 2.6)

(6)

Throttle body

(15)

Clip

T2:

6.4 (0.7, 4.7)

(7)

Manifold absolute pressure and intake air temperature sensor

(16)

Vacuum hose

T3:

8 (0.8, 5.9)

(8)

By-pass air pipe

(17)

Vacuum hose stay

T4:

13 (1.3, 9.6)

(9)

Vacuum hose

(18)

Air conditioner hose bracket

T5:

19 (1.9, 14.0)

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

(1)

Crankshaft position sensor

(4)

O-ring

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Camshaft position sensor

(5)

Gasket

T1:

6.4 (0.7, 4.7)

(3)

Engine hanger

(6)

Engine coolant temperature sensor

T2:

18 (1.8, 13.3)

       

T3:

19 (1.9, 14.0)

3. FUEL TANK

(1)

Fuel tank

(12)

Fuel sub level sensor gasket

(23)

Fuel tank protector LH

(2)

Fuel tank band RH

(13)

Filter

(24)

Fuel tank protector RH

(3)

Fuel tank band LH

(14)

Fuel sub level sensor

(25)

Stopper LH

(4)

Fuel level sensor gasket

(15)

Fuel sub level sensor plate upper

(26)

Stopper RH

(5)

Fuel level sensor

(16)

Fuel sub level sensor protector

   

(6)

Fuel level sensor case ASSY

(17)

Fuel sub delivery tube

Tightening torque:N·m (kgf-m, ft-lb)

(7)

Fuel level sensor plate upper

(18)

Fuel return tube (LHD model)

T1:

4.4 (0.4, 3.2)

(8)

Clip

(19)

Fuel delivery tube (RHD model)

T2:

9 (0.9, 6.6)

(9)

Air vent hose

(20)

Retainer

T3:

18 (1.8, 13.3)

(10)

Clamp

(21)

Tube clamp

T4:

33 (3.4, 24.3)

(11)

Fuel filler hose

(22)

Heat shield cover

T5:

2 (0.2, 1.5)

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

(9)

Fuel pipe ASSY

(17)

Fuel tube (LHD model)

(2)

Fuel filler cap

(10)

Clamp

(18)

Clamp

(3)

Filler ring

(11)

Fuel hose (LHD model)

(19)

Fuel tube (RHD model)

(4)

Filler pipe gasket

(12)

Fuel hose (RHD model)

   

(5)

Fuel filler pipe ASSY

(13)

Fuel hose (LHD model)

Tightening torque:N·m (kgf-m, ft-lb)

(6)

Clip

(14)

Fuel hose (RHD model)

T1:

1.25 (0.1, 0.9)

(7)

Clamp

(15)

Fuel and brake pipe ASSY

T2:

4.5 (0.5, 3.2)

(8)

Clamp

(16)

Retainer

T3:

7.5 (0.8, 5.5)

11. ENGINE HARNESS

Structural diagram 1

(1)

Boost control valve

(2)

Securely install the engine harness clips to the vacuum pipe stay.

(3)

Manifold absolute pressure and intake air temperature sensor

(4)

Oil pressure switch

(5)

Securely install the engine harness clip to the intake manifold protector.

(6)

Glow docking connector

(7)

Fuel injector (#4)

(8)

Fuel injector (#2)

(9)

Engine coolant temperature sensor

(10)

Exhaust temperature sensor 1

(11)

Exhaust temperature sensor 2

(12)

Glow plug (#4)

(13)

Glow plug (#2)

(14)

Securely install the engine harness clip to the rocker cover.

(15)

Camshaft position sensor

(16)

Glow plug (#1)

(17)

Glow plug (#3)

(18)

Securely install the engine harness clip to the rocker cover.

(19)

EGR control valve

(20)

Insert the harness connected to the EGR control valve to the underside of the air breather hose.

(21)

Route the harness connected to the camshaft position sensor under the vacuum hose.

(22)

Securely install the engine harness clip to the intake manifold protector.

(23)

Fuel injector (#1)

(24)

Fuel injector (#3)

(25)

Body harness

(26)

Crankshaft position sensor

(27)

Securely install the engine harness clips to the engine coolant pipe. (two locations)

(28)

Throttle position sensor

(29)

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

*1: When reusing the engine harness, remove and install the harness and the oil level gauge guide as a set.

Structural diagram 2

(1)

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

(2)

By-pass air pipe

(3)

Engine ground

(4)

Suction control valve

(5)

Fuel temperature sensor

(6)

Fuel pipe

(7)

Camshaft position sensor

(8)

Intake manifold protector

(9)

Manifold absolute pressure and intake air temperature sensor

(10)

Boost control valve

(11)

Fuel injector (#1)

(12)

Fuel injector (#3)

(13)

Glow plug (#1)

(14)

Glow plug (#3)

(15)

Route the engine harness above the fuel pipe.

(16)

Install the engine harness clip to the fuel return pipe stay.

(17)

Engine harness stay

(18)

Docking connector

(19)

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

(20)

EGR control valve

(21)

Common rail pressure sensor

(22)

Throttle position sensor

(23)

Crankshaft position sensor

(24)

EGR control valve

(25)

Water pipe

(26)

Oil pressure switch

(27)

Route the engine ground under the engine harness.

(28)

Glow plug (#4)

(29)

Glow plug (#2)

(30)

Fuel injector (#4)

(31)

Fuel injector (#2)

(32)

Exhaust temperature sensor 1

(33)

Exhaust temperature sensor 2

(34)

Yellow marking

(35)

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

(36)

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

*1: When reusing the engine harness, remove and install the harness and the oil level gauge guide as a set.

     

Tightening torque:N·m (kgf-m, ft-lb)

 

T1:

6.4 (0.7, 4.7)

 

T2:

19 (1.9, 14.0)