MECHANICAL(H4DOTC DIESEL) > General Description

COMPONENT

1. V-BELT & GENERATOR

(1)

Collector cover bracket

(5)

V-belt tensioner

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Idler pulley

(6)

Generator

T1:

6.4 (0.7, 4.7)

(3)

Idler pulley cover

(7)

Generator bracket

T2:

25 (2.5, 18.4)

(4)

V-belt

   

T3:

30 (3.1, 22.1)

       

T4:

33 (3.4, 24.3)

       

T5:

57 (5.8, 42.0)

2. SCAVENGE PUMP

(1)

Scavenge pump

(5)

Clip

Tightening torque:N·m (kgf-m, ft-lb)

(2)

O-ring

(6)

Oil balance hose

T:

6.4 (0.7, 4.7)

(3)

O-ring

(7)

Turbo pipe

   

(4)

Scavenge hose

       

3. ROCKER COVER

(1)

Rocker cover

(3)

Fuel injector gasket

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Rocker cover gasket

   

T:

6.4 (0.7, 4.7)

4. CHAIN COVER

(1)

Oil level gauge

(4)

Oil filler cap

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Oil level gauge guide

(5)

Oil seal

T1:

6.4 (0.7, 4.7)

(3)

O-ring

(6)

Chain cover

T2:

5. OIL PUMP AND OIL PAN

(1)

Oil pump

(5)

Magnet

Tightening torque:N·m (kgf-m, ft-lb)

(2)

O-ring

(6)

Oil pan lower

T1:

6.4 (0.7, 4.7)

(3)

Strainer

(7)

O-ring

T2:

18 (1.8, 13.3)

(4)

Oil pan upper

(8)

Baffle plate

   

6. TIMING CHAIN

(1)

Chain tensioner (RH)

(10)

Reduction sprocket and gear plate

(19)

Exhaust camshaft (RH)

(2)

Intake camshaft (LH)

(11)

Reduction sprocket and gearshaft

(20)

Intake camshaft (RH)

(3)

Exhaust camshaft (LH)

(12)

Fuel pump gear

 

(4)

Cam sprocket (LH)

(13)

Reduction sprocket and gear

Tightening torque:N·m (kgf-m, ft-lb)

(5)

Chain guide (LH)

(14)

Chain guide (RH)

T1:

6.4 (0.7, 4.7)

(6)

Chain guide (Between cams)

(15)

Timing chain (RH)

T2:

16 (1.6, 11.8)

(7)

Timing chain (LH)

(16)

Chain tensioner lever (RH)

T3:

25 (2.5, 18.4)

(8)

Chain tensioner lever (LH)

(17)

Camshaft plate

T4:

(9)

Chain tensioner (LH)

(18)

Cam sprocket (RH)

T5:

63.7 (6.5, 47.0)

7. CYLINDER HEAD AND CAMSHAFT

(1)

Cylinder head (RH)

(11)

Intake camshaft cap (Center LH)

(21)

Cylinder block (LH)

(2)

Cylinder head (LH)

(12)

Exhaust camshaft cap (Rear LH)

(22)

Seal washer

(3)

Cylinder head gasket (RH)

(13)

Exhaust camshaft cap (Center LH)

 

(4)

Cylinder head gasket (LH)

(14)

Front camshaft cap (LH)

Tightening torque:N·m (kgf-m, ft-lb)

(5)

Glow plug

(15)

Intake camshaft cap (Rear RH)

T1:

6.4 (0.7, 4.7)

(6)

Intake camshaft (RH)

(16)

Intake camshaft cap (Center RH)

T2:

11.5 (1.2, 8.5)

(7)

Exhaust camshaft (RH)

(17)

Exhaust camshaft cap (Rear RH)

T3:

9.75 (1.0, 7.2)

(8)

Intake camshaft (LH)

(18)

Exhaust camshaft cap (Center RH)

T4:

18 (1.8, 13.3)

(9)

Exhaust camshaft (LH)

(19)

Front camshaft cap (RH)

T5:

(10)

Intake camshaft cap (Rear LH)

(20)

Cylinder block (RH)

   

8. CYLINDER HEAD

(1)

Intake valve

(9)

Rocker arm pivot (Exhaust)

(17)

Valve rocker (Intake)

(2)

Exhaust valve

(10)

Valve rocker (Exhaust)

(18)

Rocker arm pivot (Intake)

(3)

Valve spring seat (Exhaust)

(11)

Valve spring seat (Intake)

(19)

Plug

(4)

Valve guide (Exhaust)

(12)

Valve guide (Intake)

 

(5)

Stem seal (Exhaust)

(13)

Stem seal (Intake)

Tightening torque:N·m (kgf-m, ft-lb)

(6)

Valve spring (Exhaust)

(14)

Valve spring (Intake)

T1:

10 (1.0, 7.4)

(7)

Valve spring retainer (Exhaust)

(15)

Valve collet (Intake)

T2:

60 (6.1, 44.3)

(8)

Valve collet (Exhaust)

(16)

Valve spring retainer (Intake)

   

9. GENERATOR BRACKET

(1)

Generator bracket

   

Tightening torque:N·m (kgf-m, ft-lb)

(2)

O-ring

   

T1:

6.4 (0.7, 4.7)

(3)

O-ring

   

T2:

33 (3.4, 24.3)

10. CYLINDER BLOCK

(1)

Cylinder block (LH)

(7)

Oil cooler ASSY

Tightening torque:N·m (kgf-m, ft-lb)

(2)

Baffle plate

(8)

Oil seal

T1:

6.4 (0.7, 4.7)

(3)

Cylinder block (RH)

(9)

Crankshaft sensor holder

T2:

37 (3.8, 27.3)

(4)

O-ring

(10)

Oil separator cover

T3:

19 (1.9, 14.0)

(5)

Plug

(11)

Seal washer

T4:

23 (2.3, 17.0)

(6)

Gasket

   

T5:

25 (2.5, 18.4)

       

T6:

70 (7.1, 51.6)

       

T7:

11. CRANKSHAFT AND PISTON

(1)

Crankshaft

(9)

Connecting rod cap

(17)

Piston pin

(2)

Connecting rod

(10)

Crankshaft bearing #1, #3

   

(3)

Piston

(11)

Crankshaft bearing #2, #4

Tightening torque:N·m (kgf-m, ft-lb)

(4)

Snap ring

(12)

Crankshaft bearing #5

T1:

(5)

Top ring

(13)

Crank pulley

T2:

(6)

Second ring

(14)

Crankshaft sensor plate

T3:

(7)

Oil ring

(15)

Woodruff key

   

(8)

Connecting rod bearing

(16)

Flywheel

   

12. 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)

 

13. ENGINE MOUNTING

(1)

Front cushion rubber

   

Tightening torque:N·m (kgf-m, ft-lb)

       

T1:

35 (3.6, 25.8)

       

T2:

85 (8.7, 62.7)