Isuzu N-Series. Manual - part 859

MANUAL TRANSMISSION 7B-97

Special Tools

Illustration

Tool Number / 

Description / Remarks

5-8840-2245-0 / Control 

Box Oil Seal Installer

5884022450

7B-98 MANUAL TRANSMISSION

Transfer System (MYY Rigid Type)

Function and Operation

Legend

1. Low / high shift arm

13. Drain plug

2. Low / high shift rod

14. Driver coupling; Front output

3. Transfer rear case

15. Front output drive gear

4. Sleeve; Low / high

16. Sleeve; 2WD / 4WD

5. Transfer low gear

17. 2WD / 4WD shift arm

6. Shim; Counter shaft bearing

18. Rear output shaft

7. Shim; Rear output shaft bearing

19. Idle gear shaft

8. Speedometer drive gear

20. Input shaft

9. Driver coupling; Rear output

21. Transfer high gear

10. 2WD / 4WD sensor switch

22. Current plate

11. 2WD / 4WD shift rod

23. Transfer front case

12. Front output shaft

24. Low / high sensor switch

N7A0441E

MANUAL TRANSMISSION 7B-99

Specifications

Transfer Assembly (MYY Rigid Type)

Removal

Preparation

• Jack up the vehicle, and support with a rigid rack.
• Remove the drain plug, and drain the oil.

1. Remove the propeller shaft guard.
2. Remove the transfer side of the rear propeller

shaft.

• Before removing the propeller shaft, put align-

ment marks on the transfer flange and the pro-
peller shaft flange yoke.

• The removed propeller shaft must be put aside

not to interfere with the operation, and fix se-
curely with wire.

3. Disconnect the parking brake cable.

• Remove the cable bracket (1) and slide the

cover (2) in the direction indicated by an arrow.

• Loosen the lock nut, and remove the front cable

and the rear cable.

• Remove the cable clip of the rear cable.

4. Remove the front propeller shaft.

• Before removing the propeller shaft, put align-

ment marks on the transfer flange and the pro-
peller shaft flange yoke.

5. Remove the low / high shift cable installation brack-

et.

6. Remove the vehicle speed sensor connector.
7. Remove the 2WD / 4WD change warning lamp

switch connector.

8. Remove the 2 parts of the vacuum hose.
9. Remove the harness and nut on the transfer side.

10. Remove the transfer assembly from the transmis-

sion.

• Set securely the transmission jack to the trans-

fer assembly.

• Remove 11 bolts and 2 nuts for transfer instal-

lation.

• Remove the transfer assembly by operating the

transmission jack.

Installation

Install in the reverse order of removal, observing the fol-
lowing items.

• Apply liquid packing (ThreeBond 1215) on the

transfer mating surface of the transmission case.

Type

2nd, helical gear type

Gear Ratio

High Range

1.000 (28/38 

× 38/28)

Low Range

1.842 (38/28 

× 38/28)

Specified Oil

Besco Gear Oil Transaxle (5W-30)

Oil Capacity

L (US qt/lmp qt)

1.8 (1.9 / 1.6)

Legend

1. Filler plug
2. Drain plug

N7A0442E

N7A0443E

7B-100 MANUAL TRANSMISSION

• Liquid packing (ThreeBond 1215) must be applied

continuously with a diameter of 2 mm (0.079 in).

• Align the transfer assembly with the stud bolts indi-

cated by arrows, and install it to the transmission.

• Transfer assembly to transmission assembly fixing

torque

Tighten:
Transfer assembly to transmission assembly to 46 N

⋅m

(4.7 kg

⋅m / 34 lb⋅ft)

• Inject gear oil into the transfer assembly.

Product Name: Besco Gear Oil Transaxle (5W-30)
Capacity: 1.8L (1.9 US qt / 1.6 Imp qt)

• Fixing torque of the oil filler and drain plug

Tighten:
Oil filler and drain plug to 39 N

⋅m (4.0 kg⋅m / 29 lb⋅ft)

N7A0444E

Legend

1. Filler plug
2. Drain plug

N7A0442E