Isuzu KB P190. Manual — part 1188

Manual Transmission (MUX) 7B1-33

63. Install the front cover.

• Tighten the front cover bolts to the specified

torque.

Torque: 23 N

⋅m (2.3 kgf⋅m/17 lb⋅ft)

64. After reassembling the transmission, refill the case

with the new specified transmission oil.

a. Install the drain plug with new gasket.

• Never reinstall the used gasket.

• Apply engine oil to the new gasket surface.

• Tighten the drain plug to the specified

torque.

Torque: 39 N

⋅m (4.0 kgf⋅m/29 lb⋅ft)

b. Remove the filler plug with gasket.

c. Refill the case with the new specified

transmission oil (BESCO Trans Axle Oil 5W-30
SF) amount 3.0 liters.

d. Install the filler plug with new gasket.

• Never reinstall the used gasket.

• Apply engine oil to the new gasket surface.

• Tighten the filler plug to the specified torque.

Torque: 39 N

⋅m (4.0 kgf⋅m/29 lb⋅ft)

7B1-34 Manual Transmission (MUX)

Front Case Assembly

Component

Legend

1. Front oil seal
2. Input shaft needle bearing
3. Front case with clutch housing
4. Reverse idler shaft

5. Reverse idler gear assembly
6. Reverse shaft bracket
7. Reverse idler bolt
8. Gasket

Removal

1. Remove the reverse idler bolt with gasket.

2. Remove the reverse shaft bracket and reverse

idler gear assembly.

3. Remove the reverse idler shaft with straight pin.

RTW77BLF002301

1

2

3

4

5

6

8

7

Manual Transmission (MUX) 7B1-35

4. Use the installer 5-8840-0125-0 (2) and grip 5-

8840-0007-0 (1) to remove the front oil seal and
input shaft needle bearing from the front case, and
discard the used oil seal.

Installation

1. Use the installer 5-8840-2846-0 (2) and grip 5-

8840-0007-0 (1) to install the input shaft needle
bearing to the front case.

Notice:
Please install by making a stamp side into rear.

2. Install the front oil seal.

a. Use the installer 5-8840-2846-0 (2) and grip 5-

8840-0007-0 (1) to install the new front oil seal
to the front case.

• Never reinstall the used oil seal.

• Apply engine oil to new front oil seal outer

surfaces, and apply grease (BESCO L-2 or
equivalent) to the oil seal lip.

• At press fitting the oil seal, to be careful not

to inflict lip of it.

b. The oil seal must be pressed fit as shown in the

figure.

Legend

1. Front oil seal
2. 4 mm (0.157 in)
3. Front case

3. Install the reverse idler shaft with straight pin.

4. Install the reverse idler gear assembly and reverse

shaft bracket.

• Apply engine oil to gear internal surface.

5. Install the reverse idler bolt with gasket.

• Tighten the reverse idler bolt to the specified

torque.

Torque: 83 N

⋅m (8.5 kgf⋅m/61 lb⋅ft)

RTW75CSH001201

1

2

RTW77BSH001901

1

2

RTW77BSH001901

1

2

RTW77BSH002001

2

1

3

7B1-36 Manual Transmission (MUX)

Rear Case Assembly

Component

Legend

1. Linear ball bearing
2. Rear case
3. Output rear bearing outer race
4. Oil nozzle

5. Counter end roller bearing
6. Snap ring
7. Output front bearing outer race

Removal

1. Remove the linear ball bearing from the rear case.

2. Use a pair of snap ring pliers to remove the snap

ring from the rear case.

3. Remove the counter end roller bearing from the

rear case.

4. Remove the oil nozzle from the rear case.

RTW77BLF002401

1

7

2

3

5

6

4