Page 4769 of 6020
7B1-50 Manual Transmission (MUX)
Output Shaft Assembly
Component
Legend1. Output shaft (4x2 model)
2. Output shaft (4x4 model) 3. Output front bearing inner race
Removal
1. Break the output front bearing cage with hammer
and chisel.
Remove the output front bearing inner race, and
discard the used inner race.
Installation
1. Use a bench press and installer 5-8840-2847-0 (1) to install the output front bearing inner race to the
output shaft.
• Never reinstall the used output front bearing inner race.
• Apply grease (BESCO L-2 or equivalent) to the bearing roller.
Notice: • The bearing innner race must be press fitted to end surface of gear.
• The cage must not be push.
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Page 4770 of 6020

Manual Transmission (MUX) 7B1-51
Shift & Select Rod Assembly
Component
Legend1. Snap ring
2. Shift & select block
3. Shift rod bracket
4. Interlock upper block
5. Internal common upper lever 6. Interlock middle block
7. Interlock lower block
8. Internal common lower lever
9. Shift & select rod
Removal
1. Remove the snap ring from the interlock lower block lower side.
2. Remove the interlock lower block.
3. Remove the internal common lower lever.
4. Remove the interlock middle block.
5. Remove the internal common upper lever.
6. Remove the snap ring from the shift & select block upper side.
7. Removel the shift & select block.
8. Removel the shift rod bracket.
9. Remove the snap ring from the interlock upper block upper side.
10. Remove the interlock upper block.
Installation
1. Install the interlock upper block.
2. Install the new snap ring to the interlock upper block upper side.
• Never reinstall the used snap ring.
Notice:
The snap ring must be assembled in groove of rod
surely.
3. Install the shift rod bracket.
4. Install the shift & select block.
5. Install the new snap ring to the shift & select block upper side.
• Never reinstall the used snap ring.
RTW77BMF000901
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ISUZU KB P190 2007
Page 4771 of 6020
7B1-52 Manual Transmission (MUX)
Notice:
The snap ring must be assembled in groove of rod
surely.
6. Install the internal common upper lever.
7. Install the interlock middle block.
8. Install the internal common lower lever.
9. Install the interlock lower block.
10. Install the new snap ring to the interlock lower block lower side.
• Never reinstall the used snap ring.
Notice:
The snap ring must be assembled in groove of rod
surely.
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ISUZU KB P190 2007
Page 4772 of 6020

Manual Transmission (MUX) 7B1-53
Intermediate Plate Assembly
Component
Legend1. Intermediate plate
2. Reverse inhibitor bolt
3. Dowel
4. Input middle bearing snap ring
5. Straight pin 6. Reverse inhibitor spring
7. Reverse inhibitor
8. Reverse inhibitor snap ring
9. Linear ball bearing
Removal
1. Remove the reverse inhibitor snap ring.
2. Remove the reverse inhibitor and spring.
3. Remove the reverse inhibitor bolt.
4. Remove the straight pin.
5. Remove the linear ball bearing.
6. Remove the four dowels.
7. Use a pair of snap ring pliers to remove the input middle bearing snap ring.
Installation
1. Use a pair of snap ring pliers to install the newinput middle bearing snap ring.
• Never reinstall the used snap ring.
2. Install the four dowels. 3. Use the installer 5-8840-2848-0 (1) to install the
linear ball bearing.
Notice: • The bearing to be pressed fit to boss face.
• The bearing must be pressed at marked side.
RTW77BMF001001
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ISUZU KB P190 2007
Page 4773 of 6020
7B1-54 Manual Transmission (MUX)
4. Install the straight pin.
5. Install the reverse inhibitor bolt.
• Tighten the reverse inhibitor bolt to thespecified torque.
Torque: 36 N ⋅m (3.7 kgf ⋅m/27 lb ⋅ft)
6. Install the reverse inhibitor and spring.
7. Install the new reverse inhibitor snap ring.
• Never reinstall the used snap ring.
Notice:
The snap ring must be assembled in groove of bolt
surely.
RTW77BSH002701
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ISUZU KB P190 2007
Page 4774 of 6020

Manual Transmission (MUX) 7B1-55
Control Rod Assembly
Component
Legend1. Control rod
2. Control unit lever
3. Control unit lever spring pin 4. Detent shift block
5. Detent shift block spring pin
6. Shift control seat
Removal
1. Remove the shift control seat.
2. Use a spring pin remover to remove the spring pin and the control unit lever.
3. Use a spring pin remover to remove the spring pin and the detent shift block.
Installation
1. Install the detent shift block and the new spring pin.
• Never reinstall the used spring pin.
Notice: • When assembled, vertical direction of block exists.
• The spring pin must be drive in to hole of end surface of block surely.
2. Install the control unit lever and the new spring pin. • Never reinstall the used spring pin. Notice:
The spring pin must be drive in to hole of end surface of
lever surely.
3. Install the shift control seat. • Apply grease to tip of sphere of lever and seat.
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ISUZU KB P190 2007
Page 4775 of 6020
7B1-56 Manual Transmission (MUX)
5th-Reverse Shift Block Assembly
Component
Legend1. 5th-reverse shift lever
2. 5th-reverse shift block 3. Straight pin
Removal
1. Remove the straight pin and the 5th-reverse shift
lever.
Notice:
Make sure to remove the straight pin (2) in the direction
of 4.5 mm (0.177 in) diameter bore (1) side.
Installation
1. Install the 5th-reverse shift lever and the straight pin. Notice:
• Install the straight pin (2) from 4.5 mm (0.177 in) diameter bore (1) side, and adjust the setting
position to make the end of straight pin flush with
the end of the shift block.
• Installation direction of the lever to be not misassembled.
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ISUZU KB P190 2007
Page 4776 of 6020
Manual Transmission (MUX) 7B1-57
3rd-4th Shift Arm Assembly
Component
Legend1. Linear ball bearing 2. 3rd-4th shift arm
Removal
1. Remove the two linear ball bearings.
Installation
1. Use the installer 5-8840-2848-0 (1) to install the
two linear ball bearings.
Notice: • The bearing to be pressed fit to both boss faces.
• The bearing must be pressed at marked side.
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RTW77BSH002801
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ISUZU KB P190 2007