Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1806
MSG MODEL (2WD) 7B-1
SECTION 7B
MANUAL TRANSMISSION
(MSG MODELS)
TABLE OF CONTENTS
PAGE
4
××××2 Model Transmission. . . . . . . . . . . . . . . . . . . . . . . . 7B -
2
Main Data and Specifications . . . . . . . . . . . . . . . . . . . . 7B -
2
General Description. . . . . . . . . . . . . . . . . . . . . . . . 7B -
3
Torque Specification . . . . . . . . . . . . . . . . . . . . . . . .. 7B -
4
Repair Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7B -
6
Removal and Installation . . . . . . . . . . . . . . . . . . . . . ... 7B -
7
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . ... 7B - 15
Inspection and Repair . . . . . . . . . . . . . . . . . . . . . . ... 7B - 25
Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 7B - 29
4
××××4 Model Transmission . . . . . . . . . . . . . . . . . . . . . . . 7B - 42
Main Data and Specifications . . . . . . . . . . . . . . . . . . . ... 7B - 42
General Description . . . . . . . . . . . . . . . . . . . . . . . ... 7B - 43
Torque Specification . . . . . . . . . . . . . . . . . . . . . . . . 7B - 47
Recommended Liquid Gasket . . . . . . . . . . . . . . . . . . . .. 7B - 49
Removal and Installation . . . . . . . . . . . . . . . . . . . . . ... 7B - 50
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . ... 7B - 58
Inspection and Repair . . . . . . . . . . . . . . . . . . . . . . ... 7B - 74
Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 7B -
80
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . .. 7B - 103
Special Service Tool . . . . . . . . . . . . . . . . . . . . . . . . ... 7B - 109
INDEX
7B-2 MSG MODEL (2WD)
4
×××× 2 MODEL TRANSMISSION
MAIN DATA AND SPECIFICATIONS
Transmission type
Fully synchronized 5-forward gears with a constant
mesh type reverse gear.
Transmission Control
Direct control with the gear shift lever on the floor.
Gear ratio
5E
5K
3.758
4.122
2.171
2.493
1.413
1.504
1.000
1.000
0.855
0.855
3.720
3.720
Oil capacity
lit. (US gal.)
1.55(0.41)
Weight ; approx.,
kg(lbs)
33.3(73.8)
MSG MODEL (2WD) 7B-3
GENERAL DESCRIPTION
MSG 5-Speed
Gear Shift
The MSG type transmission is fully synchronized 5-speed unit with blocking ring type synchronizers and a constant
mesh type reverse gear.
The unit consists principally of a case with an integral clutch housing, intermediate plate, rear cover and gears.
The top of the rear cover is a quadrant box containing the transmission control mechanism.
The case and rear cover are cast aluminum alloy to reduce weight.
7B-4 MSG MODEL (2WD)
TORQUE SPECIFICATION
STANDDARD BOLTS
The torque values given in the following table should be applied where a particular torque is not specified.
N
⋅m (kgf⋅m/lb⋅ft)
Strength
4.8/4T
7T
8.8
9.8/9T
Class
Refined
Non-Refined
Bolt Identifi-
cation
Bolt
Diameter
××××
Pitch (mm)
No mark
-
M6
× 1.0
6 (0.6 / 52 lb.in)
7 (0.7 / 61 lb.in)
8 (0.8 / 69 lb.in)
-
M8
× 1.25
13 (1.3 / 113 lb.in)
17 (1.7 / 12)
20 (2.0 / 14)
24 (2.4 / 17)
M10
× 1.25
27 (2.8 / 20)
37 (3.8 / 27)
42 (4.3 / 31)
50 (5.1 / 37)
M12
× 1.25
61 (6.3 / 45)
76 (7.8 / 56)
87 (8.9 / 64)
95 (9.7 / 70)
M14
×1.5
96 (9.8 / 71)
116 (11.8 / 85)
133 (13.6 / 98)
142 (14.5 / 105)
M16
× 1.5
130 (13.3 / 96)
170 (17.3 / 125)
193 (19.7 / 143)
200 (20.4 / 148)
M18
× 1.5
188 (19.2 / 139)
244 (24.9 / 180)
278 (28.3 / 205)
287 (29.3 / 212)
M20
× 1.5
258 (26.3 / 190)
337 (34.4 / 249)
385 (39.3 / 284)
396 (40.4 / 292)
M22
× 1.5
332 (33.9 / 245)
453 (46.3 / 335)
517 (52.7 / 381)
530 (54.1 / 391)
M24
× 2.0
449 (45.8 / 331)
570 (58.2 / 421)
651 (66.3 / 480)
692 (70.6 / 511)
*M10
× 1.5
26 (2.7 / 20)
36 (3.7 / 27)
41 (4.2 / 30)
48 (4.9 / 35)
*M12
× 1.75
57 (5.8 / 42)
71 (7.2 / 52)
80 (8.2 / 59)
89 (9.1 / 66)
*M14
× 2.0
89 (9.1 / 66)
110 (11.2 / 81)
125 (12.7 / 92)
133 (13.6 / 98)
*M16
× 2.0
124 (12.7 / 92)
162 (16.5 / 119)
185 (18.9 / 137)
191 (19.5 / 141)
Flange Bolt
M6
× 1.0
7 (0.7 / 61 lb.in)
8 (0.8 / 69 lb.in)
9 (0.9 / 78 lb.in)
-
M8
× 1.25
15 (1.5 / 11)
19 (1.9 / 14)
22 (2.2 / 16)
26 (2.7 / 20)
M10
× 1.25
31 (3.2 / 23)
41 (4.2 / 30)
47 (4.8 / 35)
56 (5.7 / 41)
M12
× 1.25
69 (7.0 / 51)
85 (8.7 / 63)
97 (9.9 / 72)
106 (10.8 / 78)
M14
× 1.5
104 (10.6 / 77)
126 (12.8 / 93)
144 (14.6 / 106)
154 (15.7 / 114)
M16
× 1.5
145 (14.8 / 127)
188 (19.2 / 139)
214 (21.8 / 158)
221 (22.5 / 163)
M18
× 1.5
-
-
-
-
M20
× 1.5
-
-
-
-
M22
× 1.5
-
-
-
-
M24
× 2.0
-
-
-
-
*M10
× 1.5
30 (3.1 / 22)
40 (4.1 / 30)
46 (4.7 / 34)
54 (5.5 / 40)
*M12
× 1.75
64 (6.5 / 47)
78 (8.0 / 58)
89 (9.1 / 66)
99 (10.1 / 73)
*M14
× 2.0
97 (9.9 / 72)
119 (12.1 / 88)
135 (13.8 / 99.7)
144 (14.7 / 107)
*M16
× 2.0
137 (14.0 / 101)
178 (18.2 / 132)
203 (20.7 / 132)
210 (21.5 / 155)
The asterisk * indicates that the bolts are used for female-threaded parts that are made of soft materials such as
casting, etc.
FLARE NUTS
Pipe diameter mm (in)
Torque N
⋅⋅⋅⋅m (kgf⋅⋅⋅⋅m/lb⋅⋅⋅⋅ft)
Pipe diameter mm (in)
Torque N
⋅⋅⋅⋅m (kgf⋅⋅⋅⋅m/lb⋅⋅⋅⋅ft)
4.76 (0.187)
16 (1.6 / 12)
10.00 (0.394)
54 (5.5 / 40)
6.35 (0.250)
26 (2.7 / 20)
12.00 (0.472)
88 (9.0 / 65)
8.00 (0.315)
44 (4.5 / 33)
15.00 (0.591)
106 (10.8 / 78)
Standard Hex.
Head Bolt
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