Isuzu engine C22NE / 22LE / 20LE. Service manual — part 7
6A-10 ENGINE MECHANICAL (C22NE, 22LE, 20LE)
Top View
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)
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