Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1696
6A-82 ENGINE MECHANICAL (C24SE, C22NE, 22LE, 20LE)
Adjustment Values/Checking Values
Valve clearance
Inlet
Hydraulic valve lash adjustment
Outlet
No adjustment necessary
Spark plugs - electrode gap
1.0
∼ 1.1mm
Compression
The difference in compression
between the individual cylinders
in the engine must not exceed
100 kPa (1 bar).
Pressure loss
The pressure loss of an engine
in perfect condition per cylinder
is not more than max. 25%
Cylinder Head
Cylinder Head Gasket
Thickness - installed
mm
1.15 to 1.30
Valve seat width at cylinder head
inlet
mm
1.0 to 1.5
outlet
mm
1.7 to 2.2
Valve stem play inlet
mm
0.018 to 0.052
outlet
mm
0.038 to 0.072
Permissible valve stem to cone runout
inlet
mm
0.03
outlet
mm
0.33
Overall height of cylinder head
(Sealing surface to sealing surface) mm
96.00
± 0.25
Installation height
inlet and
outlet valves
mm
17.85 to 18.25
dimension "A"
Distance Gauge
5-8840-2596-0
Installation height valve guide
mm
83.50 to 83.80
Sealing surface peak-to-valley height mm
max. 0.025
ENGINE MECHANICAL (C24SE, C22NE, 22LE, 20LE) 6A-83
Cylinder Head (continued)
Valve System
Valve lifter
valve play compensator
(hydraulic)
Valve rotators
(inlet or outlet)
outlet
Valve play
(warm or cold)
inlet
mm
0
outlet
mm
0
Cylinder head height
mm 280.3
±0.075
Cylinder head bottom, face parallelism
mm 0.05
6A-84 ENGINE MECHANICAL (C24SE, C22NE, 22LE, 20LE)
Cylinder Head (continued)
Valve Dimensions
C24SE, C22NE, 22LE, 20LE
A in mm
B in mm
C(diameter in mm) and identification mark
D
1)
2)
Normal K
Oversize K1
0.075
Oversize K2
0.150
Oversize A
0.250
Inlet valve
104.2
103.8
41.8
7.012
6.998
7.087
7.073
7.162
7.148
7.262
7.248
44
°
Outlet valve
104.0
103.6
36.5
6.992
6.978
7.087
7.053
7.142
7.128
7.242
7.228
44
°
Valve stem
bore
-
7.050
7.030
7.125
7.105
7.200
7.180
7.300
7.280
-
1) Production
2) Customer service
The P and A department only supplies valves with a length of 103.8mm (inlet valve) and 103.6mm (outlet valve)
only
Camshaft
2.2L& 2.0L
2.4L
Identification letter
J
K
Colour code
Normal size
-
0.1mm undersize
violet
Radial runout
mm
0.03
End play
mm
0.09 to 0.21
Cam lift
Inlet and outlet valve mm
6.67
Grinding Dimension for Camshaft Bearing Position
Bearing
Bearing journal
diameter in mm
Diameter
in housing
normal
-0.1mm
normal
-0.1mm
1
42.470
42.455
42.370
42.355
42.525
42.425
42.500
42.400
2
42.720
42.705
42.620
42.605
42.775
42.750
42.675
42.650
3
42.970
42.955
42.870
42.855
43.025
43.000
42.925
42.900
4
43.220
43.205
43.120
43.105
43.275
43.250
43.175
43.150
5
43.470
43.455
43.370
43.355
43.525
43.500
43.425
43.400
ENGINE MECHANICAL (C24SE, C22NE, 22LE, 20LE) 6A-85
Crankshaft, Cylinder Block
Cylinder Grinding and Piston dimensions
Cylinder Grinding and Piston Dimensions
Size
Cylinder bore dia. in mm
Cylinder to
Related piston dia. in mm Piston head
Crankshaft
co- efficient
housing
co-efficient
over
to
over
to
Production
1
85.97*
85.89
8
85.95
85.96
8
(2.2L & 2.0L) 2
85.98
85.99
86.00
86.01
85.99
86.00
86.01
86.02
99
00
01
02
85.96
85.97
85.98
85.99
85.97
85.98
85.99
86.00
99
00
01
02
Production
(2.4L)
1
87.48
87.49
87.49
87.50
99
00
87.46
87.47
87.47
87.48
99
00
Customer
service
(2.2L & 2.0L)
Oversize
0.5mm
8.46
86.47
7+0.5
86.44
86.45
7+0.5
Customer
service
(2.4L)
-
87.99
88.00
0+0.5
87.97
87.98
7+0.5
Piston diameter must be measured at the position "D".
*inclusive
Crankshaft, Cylinder Block (continued)
Cylinder Bore
Rebore cylinder
Permissible oversize to 0.5mm (see parts
microfiche)
After reboring, invalidate original crankcase
housing coefficient and drive in new oversize
coefficient
Permissible out-of-round:
0.013mm
Permissible taper:
0.013mm
Measure out-of-round in bore at 4 different
heights
Piston projection above upper edge of cylinder block
0.40mm
Piston
Type
Recessed pistons
Clearance
For short-blocks and cylinder blocks with
complete pistons, the clearance is 0.02 to
0.04mm
For replacement (oversize), depending on
available pistons, a clearance of 0.02 to
0.04mm is permissible
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