Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1791

UNIT REPAIR (JR405E) 7A4-31

13PUMP46

Outer rotor

•

Install the outer rotor to the oil pump housing.

•

Measure the gap between the outer rotor and the

crescent.

If the measured gap is outside the specified range, the

outer rotor must be replaced.

Outer rotor and crescent gap:

0.02~0.15 mm (0.0008~0.0059 in)

14PUMP28

Reassembly steps

Coat the parts with ATF before installing them.
1. Oil seal

•

Use the oil seal installer to install new oil seal to the oil

pump housing.

Oil seal installer: 5-8840-2761-0

15PUMP18

2. O-ring (small)

Install new O-ring (small) to the oil pump housing.

16PUMP29

3. Outer rotor

4. Inner rotor

Install the outer rotor and the inner rotor to the oil pump

housing.

17PUMP42

NOTE:
The identification mark on the inner rotor must be facing
the inside of the oil pump housing.

7A4-32 UNIT REPAIR (JR405E)

18PUMP07

5. Oil pump cover

6. Oil pump housing

Install the oil pump cover to the oil pump housing.

Tighten the 8 bolts to the specified torque.

Torque: 9 N

⋅⋅⋅⋅

m (78 Ib

⋅⋅⋅⋅

in)

7. O-ring (large)

Install the O-ring (large) to the oil pump cover.

8. Seal ring

Install the 4 seal rings to the oil pump cover.

UNIT REPAIR (JR405E) 7A4-33

CLUTCH PACK (REVERSE AND

HIGH CLUTCH ASSEMBLY)

01R&H17

Legend

1. Reverse and high clutch drum

2. Seal ring (reverse clutch)

3. Lip seal (reverse clutch)

4. Reverse clutch piston

5. Seal ring (small, high clutch)

6. Seal ring (large, high clutch)

7. High clutch piston

8. Return spring

9. High clutch cover

10. Snap ring

11. Dish plate (high clutch)
12. Driven plates (5, high clutch)
13. Drive plates (5, high clutch)
14. Retaining plate (high clutch)
15. Snap ring (high clutch)
16. Dish plate (reverse clutch)
17. Driven plates (2, reverse clutch)
18. Drive plates (2, reverse clutch)
19. Retaining plate (reverse clutch)
20. Snap ring (reverse clutch)

02R&H18

Disassembly steps

1. Snap ring

Remove the reverse clutch snap ring.

7A4-34 UNIT REPAIR (JR405E)

03R&H21

2. Retaining plate, drive plate, driven plate and dish plate

Remove the reverse clutch retaining plate, the 2 drive

plates, the 2 driven plates, and the dish plate.

04R&H22

3. Snap ring

Remove the high clutch snap ring.

05R&H25

4. Retaining plate, drive plate, driven plate and dish plate

Remove the high clutch retaining plate, the 5 drive plates,

the 5 driven plates, and the dish plate.

07R&H28

5. Snap ring

6. High clutch cover

7. Return spring

•

Install the spring compressor to the reverse and high

clutch drum.

Spring compressor: 5-8840-2767-0

•

Carefully press the high clutch cover down .

Take care not to damage the return spring.

•

Remove the snap ring.

•

Remove the high clutch cover and the return spring.