Page 3121 of 4264
MSG MODEL 7B-3
GENERAL DESCRIPTION
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.
Page 3122 of 4264

7B-4 MSG MODEL
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
Page 3123 of 4264
MSG MODEL 7B-5
SPECIAL PARTS FIXING NUTS AND BOLTS
N
m (kgf
m/lb
ft)
RTW47BXF000101
Page 3124 of 4264
7B-6 MSG MODEL
REPAIR KIT
RTW47BLF000201
1. Case to front cover gasket
2. Control box gasket
3. Plate gasket
4. Filler plug O-ring
5. Drain plug O-ring
Page 3125 of 4264

MSG MODEL 7B-7
REMOVAL AND INSTALLATION
Read this Section carefully before performing any removal and installation procedure. This Section gives you
important points as well as the order of operation. Be sure that you understand everything in this Section before
you begin.
Important Operations - Removal
Battery Cable
Disconnect the negative (-) cable from the battery terminal.
Engine Hood
Apply setting marks to the engine hood and the engine hood
hinges before removing the engine hood.
Gear Shift Lever
1. Place the gear shift lever in the neutral position.
2. Remove the gear shift lever knob.
3. Remove the front console assembly.
4. Remove the gear shift lever grommet and dust cover.
5. Remove the gear shift lever cover bolts.
6. Remove the gear shift lever.
Note:
Cover the shift lever hole to prevent the entry of foreign
material into the transmission.
Lifting the Vehicle
1. Jack up the vehicle.
2. Place chassis stands at the front and the rear of the
vehicle.
Transmission Oil Draining
1. Remove the transmission oil drain plug.
2. Replace the drain plug after draining the oil.
Page 3126 of 4264
7B-8 MSG MODEL
Exhaust Pipe
1. Remove the exhaust pipe bracket from the transmission
case.
2. Remove the exhaust pipe.
Rear Propeller Shaft (Single Shaft Type)
1. Remove the propeller shaft flange yoke at the drive pinion
side
1.
2. Remove the propeller shaft from the transmission main
shaft spline
2.
Rear Propeller Shaft (Dual Shaft Type)
1. Apply setting marks to the 2nd propeller shaft flange yoke.
This will prevent mispositioning during the installation
procedure.
2. Remove the 2nd propeller shaft flange yoke bolts at the
drive pinion side
1.
3. Remove the center bearing retainer bolts
2 .
4. Remove the 1st propeller shaft with the center bearing and
the 2nd propeller shaft.
Pull the 1st propeller shaft toward the rear of the vehicle
until the spline yoke is free of the transmission main shaft.
Harness Connector
Disconnect the back up light switch connector and the
speedometer sensor connector.
Slave Cylinder
Remove the slave cylinder from the transmission case.
Page 3127 of 4264
MSG MODEL 7B-9
Engine Lifting Hanger
1. Attach the engine lifting hanger to the front portion of the
engine.
2.
Attach the lifting wire to both ends of the engine lifting
hanger.
Starter Motor
Remove the starter motor motor from the engine rear plate.
Transmission
1. Support the transmission with a transmission jack.
2. Remove the engine rear mounting bracket bolts and nuts
1
from the transmission 2.
3. Remove the bracket from No.3 crossmember.
4. Loosen the nuts for the rear mounting rubber.
5. Remove the rear mounting rubber
3 from the transmission
4.
6. Remove the gear control box from the transmission.
7. Remove the transmission from the engine.
The removal of the transmission will require the cooperative
efforts of two mechanics.
1) Remove the transmission nuts and bolts
1 from the
engine rear plate.
2) Place a transmission jack
2 beneath the transmission .
Do not raise the transmission jack.
Page 3128 of 4264
7B-10 MSG MODEL
3) Manually move the transmission as far as possible toward
the rear of the vehicle (into the space between the No.3
crossmember
3 and the floor panel 4 .
4) Lower the clutch housing end of the transmission toward the
transmission jack.
The rear of the transmission is supported by the No.3
crossmember at this time.
5) Firmly grasp the transmission rear cover (1st mechanic).
Raise the transmission jack toward the transmission (2nd
mechanic).
Carefully lower the transmission onto the transmission jack.
The transmission must be centered on the transmission
jack.
8. Carefully pull the transmission jack with the transmission
from beneath the vehicle.