Isuzu KB P190. Manual — part 1121

UNIT REPAIR (JR405E) 7A4-7

16ASSY047

11.High clutch hub, bearing, and bearing race

• Remove the clutch hub, bearing (with bearing race), and

the bearing race.

• Remove the bearing (with bearing race) and the bearing

race from the high clutch hub.

• Inspect the bearing race surfaces for damage.

17ASSY040

12.Front sun gear, bearing, and bearing race

• Remove the bearing, the front sun gear, and the bearing

race.

• Remove the bearing and the bearing race from the front

sun gear.

• Inspect the bearing race surfaces for damage.

19ASSY113

13.2-4 brake retainer

• Remove the brake seal ring and the sleeve.

23ASSY030

• Attach the spring compressor to the transmission case.

Spring compressor: 5-8840-2764-0

24ASSY029

• Force out the 2-4 brake retainer and remove the snap

ring.

NOTE:
Overturning the spring compressor will damage the 2-4
brake retainer.

• Remove the spring compressor.

7A4-8 UNIT REPAIR (JR405E)

25ASSY019

• Remove the 2-4 brake retainer and return spring.

26ASSY026

14.Carrier assembly (Carrier and low clutch assembly),

bearing, bearing race, and 2 – 4 brake assembly

• Pull the carrier assembly, the bearing, the bearing race

and the 2-4 brake assembly (Dish plate, retaining plate,

drive plate, and driven plate) from the transmission case

at the same time.

• Remove the bearing, the bearing race, and the 2-4

brake assembly from the carrier assembly.

27U-SPG02

• Remove the 3 brake springs from the transmission case.

28L&R06

15.Low and reverse brake

• Remove the snap ring.
• Pull the low and reverse brake free.

16.Rear extension (2WD) or Adapter case (4WD)

• Rotate the transmission case so that the oil pan opening

is facing up.

• Remove the 10 bolts and the rear extension (2WD) or

the adapter case (4WD).

UNIT REPAIR (JR405E) 7A4-9

29ASSY091

17.Output shaft

• Pull the output shaft from the transmission case.

30ASSY089

• Remove the bearing (with bearing race) from the

transmission case.

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18.Parking pawl, shaft, spring, and spacer

Remove the parking pawl, shaft, spring and spacer from the

transmission case.

36ASSY075

19.Actuator support

Remove the actuator support from the transmission case.

37ASSY074

20.Low one-way clutch inner race and bearing

• Loosen the 7 bolts securing the low one-way clutch inner

race.

NOTE:
Loosen the bolts a little at a time as uniformly as possible
to prevent the inner race from tilting and becoming
jammed.

• Remove the 6 bolts. Support the low one-way clutch

inner race with your hand and remove the final bolt.

7A4-10 UNIT REPAIR (JR405E)

39ASSY006

• Remove the bearing and the low one-way clutch inner

race from the transmission case.

• Remove the bearing from the low one-way clutch inner

race.

40ASSY005

21.Low and reverse brake return spring

Remove the low and reverse brake return spring from the

transmission case.

41L&R02

22.Low and reverse brake piston

• Force compressed air (390 kPa/4.0 kgf/cm

2

/57 psi)

through the transmission case oil passages.

42ASSY004

• Remove the low and reverse brake piston from the

transmission case.