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