Isuzu engine C22NE / 22LE / 20LE. Service manual - part 7

6A-10 ENGINE MECHANICAL (C22NE, 22LE, 20LE)

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ENGINE MECHANICAL (C22NE, 22LE, 20LE) 6A-11

Main Data and Specifications

Engine - General

C22NE

22LE

20LE

Engine type

Four-cycle, water cooled  cross-flow with

single over head camshaft Micro-computer
control, fuel injection

Combustion chamber type (Volume)

Hemispherical (43.3cm

3

) <--

<--

Timing train system

Belt drive

<--

<--

No.of cylinders-bore 

×

 stroke mm (in)

4-86.0

×

94.6 (3.39

×

3.72)

<--

4-86.0x94.6 (3.39x3.72)

Bore Spacing (C/L to C/L)

93.0 mm

Firing Order

1-3-4-2

<--

<--

Bore

×

Stroke

86.0

×

94.6mm

86.0

×

86.0

Total piston displacement cm

3

 (in

3

)

2,198 (134.39)

1,998 (122.16)

Combustion Chamber Volume

43.3 cm

No.of piston ring

compression ring : 2 ,oil ring :1

Compression pressure kg/cm

2

 (psi/pa)

17.8 (253/1746)

Ignition timing (BTDC)

No adjustment

Idling speed :rpm (WO/AC,W/AC)
Acoff

825

Valve clearances (At cold)

Intake mm (in)

0 (0) (Hydraulic valve lash adjustment)

Exhaust mm (in)

0 (0) (

"

)

Intake valves

Open at (BTDC)  deg

29

<--

<--

Close at (ABDC)  deg

65

<--

<--

Exhaust  valves

Open at (BBDC)  deg

66

<--

<--

Close at (ATDC)  deg

29

<--

<--

Ignition system

Fully transistorized battery ignition

Distributor type

Not applicable, Electronic Spark Timing control

Distributor advance type

Not applicable, Electronic Spark Timing control

Spark plug type

RN9YC4

Spark plug gap mm (in)

1.0--1.1 (0.039--0.043)

Lubrication system

Lubricating method

Fully flow pressure circulation

Special engine oil (API grade)

SE,SF,SG or SH grade

Oil pressure kg/cm

2

 (psi/Pa) rpm

1.5 (21.3/147)/825 (SAE 10W-30/API SE grade) engine oil after
warm-up

Oil pump type

Gear

Oil filter type

Cartridge full flow

Oil capacity  lit. (US/UK gal.)

with Oil Filter change  4.5litres

without Oil Filter change 4.25 (1.07/0.93) litres

Cooling system

Radiator type

Corrugated fin with reserve tank

Coolant capacity lit. (US/UK gal.)

2.3 (0.66/0.55)





Water pump type

Centrifugal





Thermostat

Wax pellet with jiggle hole

Fuel system

Electronically controlled Multi Port Fuel Injection System

Fuel pump type

Electric

6A-12 ENGINE MECHANICAL (C22NE, 22LE, 20LE)

Engine - General

C22NE

22LE

20LE

Fuel pressure kg/cm

2

 (psi/Pa)

3.4 (48.4/334)

<--

<--

Fuel filter type

Cartridge paper element

Air cleaner type

Dry paper element

<--

<--

Battery  Type/V-Ax No. of units

50D20L (STD)

34B19L

46B24L

Alternator

Capacity V-A(W)

12-70 (840)

<--

<--

Starter

Output V-kW

1.2-1.4

<--

<--

Exhaust system CO Adjustment

(1) Applicable to Open Loop System (Not equipped H2OS)

(2) Not applicable to Closed Loop System (Equipped H2OS)

Compression Ratio (with Tolerance)

9.2:1

±

0.3

8.6:1

±

0.3

8.8:1

±

0.3

Cylinder Head Material

Aluminum Alloy (gravity cast)

Cylinder Block Material

Cast Iron

No.of Mounting Points (including trans.)

3

Engine Installation Angles-Longitudinal

3

°

 30'

-Lateral

7

°

 50'

(towards exhaust side)

Overall Dimensions (L 

×

 W 

×

 H):

- TF (2.2Litre/2WD)

610

×

550

×

744 mm

- TF (2.2Litre/4WD)

610

×

550

×

708 mm

- TF (2.0Litre/2WD)

610

×

550

×

734 mm

Engine Weight

- TF (2.2Liter/Man)

136kg

- TF (2.0Liter/Man)

134kg

Camshaft Type

SOHC

No.of Valves per Cylinder - Inlet

1

- Exhaust

1

Spark Plug Location

Side

Port Arrangement

Cross Flow

Working Principle

Spark Ignition 4-stroke

ENGINE MECHANICAL (C22NE, 22LE, 20LE) 6A-13

Valve System

C22NE

22LE

20LE

Actuation Type

Direct-acting Inverted Bucked Tappet

Valve Clearance Adjustment

Hydraulic

Valve Rotor Type

None

Inlet-Valve Material

Chromium Alloyed Steel

-Seat Insert Material

Sintered Iron

Exhaust-Valve Material

Head:Cr-Mn-Ni Alloyed

Shaft:Cr-Si Alloyed&Cr plated

-Seat Insert Material

Sintered Iron

Valve Spring Material

GME 06 100-C1

Valve Guide Material

QS 13 MR 00

Valve Seal Type

Lip

Water Pump

C22NE

22LE

20LE

Type

Centrifugal

Drive-Material&Type

HNBR Toothed-belt

Bearing Type

Double Row Ball

Shaft Seal Type

Mechanical Ceramic

Thermostat-Coolant

C22NE

22LE

20LE

Type

Bypass

Oil Pump & Filter

C22NE

22LE

20LE

Type

Gear Pump

Location

Front of Engine

Drive

Direct Crankshaft Driven

Filter Type

Full Flow with Bypass for blocked filter

Oil&Oil Reservoir

C22NE

22LE

20LE

Reservoir-Description&Location

1-piece below Engine

Reservoir Material

Aluminium Alloy (pressure cast)

Replacement Oil Fill Volume

-With FIlter change

4500 cm

3

-without Filter change

4250 cm

3

Recommended Oil-Run-in

10W/30SG

-Service (above-18

°

C)

10W/40SG

-Service (below-18

°

C)

5W/30SG

Oil  Classification

API&CCMC

Ignition Components

C22NE

22LE

20LE

Spark Plugs

Conventional

Type

Electronic Spark Control

No.of Coils&Type

2 Solid State

Coil Location

Engine-mounted

Ignition Lead Type

Inductive (hi-resistance)