Isuzu KB P190. Manual — part 1181

Manual Transmission (MUX) 7B1-5

Main Specifications

Walking or Jumping Out of Gear

Change lever sliding portion worn
and excessive play

Replace worn parts

Shift rod and/or quadrant box
sliding faces worn

Replace worn parts

Shift arm and synchronizer sleeve
groove worn

Replace worn parts

Collar and/or gear thrust faces worn
(Input shaft and counter shaft thrust
play)

Replace worn parts

Bearing worn or broken (Input shaft,
counter shaft, and individual gears)

Replace bearing(s)

Input shaft spline, output shaft
spline, and synchronizer clutch hub
splines worn

Replace input shaft, output shaft,
and synchronizer clutch hub

Synchronizer parts worn or broken

Replace worn or broken parts

Taper bolt slack

Replace taper bolt

Oil Leakage

Oil level too high

Drain oil to correct level

Improper lubricant

Replace lubricant

Drain plug and/or filler plug loose

Tighten plug and replenish lubricant

Defective or improperly installed
gasket (s)

Replace gasket(s)

Front oil seal worn or scratched

Replace oil seal

Rear oil seal worn or scratched

Replace oil seal

Model

MUX5S

Transmission Type

Fully synchronized forward and reverse gears

Control method

Remote control with the gear shift lever on the floor

Gear ratio

1st

4.326

2nd

2.557

3rd

1.490

4th

1.000

5th

0.790

Revese

3.942

Transmission oil capacity

3.0 lit. (3.17 US qt)

Type of lubricant

BESCO TRANS AXLE OIL (5W-30 SF)

Condition

Possible Cause

Correction

7B1-6 Manual Transmission (MUX)

Fixing Torque

Legend

RTW77BLF001701

b

a

r

q

p

s

c

d

f

e

g

h

i

j

l

k

m

n

o

(a)

23 N

⋅m (2.3 kgf⋅m/17 lb⋅ft)

(b)

19 N

⋅m (1.9 kgf⋅m/14 lb⋅ft)

(c)

30 N

⋅m (3.1 kgf⋅m/22 lb⋅ft)

(d)

83 N

⋅m (8.5 kgf⋅m/61 lb⋅ft)

(e)

39 N

⋅m (4.0 kgf⋅m/29 lb⋅ft)

(f)

30 N

⋅m (3.1 kgf⋅m/22 lb⋅ft)

(g)

76 N

⋅m (7.7 kgf⋅m/56 lb⋅ft)

(h)

23 N

⋅m (2.3 kgf⋅m/17 lb⋅ft)

(i)

39 N

⋅m (4.0 kgf⋅m/29 lb⋅ft)

(j)

39 N

⋅m (4.0 kgf⋅m/29 lb⋅ft)

(k)

30 N

⋅m (3.1 kgf⋅m/22 lb⋅ft)

(l)

23 N

⋅m (2.3 kgf⋅m/17 lb⋅ft)

(m)

39 N

⋅m (4.0 kgf⋅m/29 lb⋅ft)

(n)

23 N

⋅m (2.3 kgf⋅m/17 lb⋅ft)

(o)

39 N

⋅m (4.0 kgf⋅m/29 lb⋅ft)

(p)

23 N

⋅m (2.3 kgf⋅m/17 lb⋅ft)

(q)

34 N

⋅m (3.5 kgf⋅m/25 lb⋅ft)

(r)

23 N

⋅m (2.3 kgf⋅m/17 lb⋅ft)

(s)

23 N

⋅m (2.3 kgf⋅m/17 lb⋅ft)

Manual Transmission (MUX) 7B1-7

Legend

RTW77BLF002901

t

u

v

w

y

x

(t)

9 N

⋅m (0.9 kgf⋅m/78 lb⋅in)

(u)

47 N

⋅m (4.8 kgf⋅m/35 lb⋅ft)

(v)

9 N

⋅m (0.9 kgf⋅m/78 lb⋅in)

(w)

36 N

⋅m (3.7 kgf⋅m/27 lb⋅ft)

(x)

25 N

⋅m (2.5 kgf⋅m/18 lb⋅ft)

(y)

25 N

⋅m (2.5 kgf⋅m/18 lb⋅ft)

7B1-8 Manual Transmission (MUX)

Transmission Assembly

Removal

1. Disconnect battery ground cable.

2. Remove the gear control knob.

3. Remove the rear floor console. (Bucket seat)

Refer to the section "Floor Console".

4. Remove the front floor console.

Refer to the section "Floor Console".

Legend

1. Gear control knob
2. Rear floor console
3. Front floor console

5. Remove the grommet assembly.

Legend

1. Grommet assembly
2. Floor panel
3. Front

6. Remove the gear control lever (1).

7. Raise and support vehicle with suitable stands.

8. Remove the rear propeller shaft.

RTW77BSH000101

1

3

2

RTW77BMH000101

1

2

3

RTW77BSH007101

1