Isuzu N-Series. Manual - part 812

7B-18 MANUAL TRANSMISSION (MSB)

• Remove the driven gear assembly.

10. Rear Cover

• Remove 7 fixing bolts. Tap the rear cover with

a copper or plastic hammer to remove it. The
rear cover is provided with lugs for hammering
both side.

• Remove the oil seal using the screwdriver.

Caution:
Take care not to damage the sealing seat of the rear
cover with the screwdriver.

11. Vehicle Speed Sensor Drive Gear
12. Spacer

N7A0071E

N7A0072E

N7A0073E

N7A0074E

N7A0075E

MANUAL TRANSMISSION (MSB) 7B-19

13. Control Box Assembly

• Remove 10 control box fixing bolts, and then

prize open the four corners of the control box
with a screwdriver to remove the control box
assembly.

Notice:
Be careful not to lose the detent springs and balls of the
transmission case.

14. Detent Spring
15. Detent Ball

• Take out the three detent springs and the three

detent balls from the transmission case.

16. Spring Pin

• Before removal, set all shift rods in neutral po-

sition.
Spring Pin Remover: 9-8529-2201-0

17. 5th/Reverse Shift Block
18. 5th/Reverse Shift Rod

• Move the 5th/reverse shift rod rearward and re-

move the shift block and shift rod.

Notice:
When removing the parts, exercise care to prevent the
interlock balls and pin fitted to the front part from falling
apart.

19. Spring Pin

• Spring Pin Remover: 9-8529-2201-0

N7A0076E

N7A0077E

N7A0078E

N7A0079E

7B-20 MANUAL TRANSMISSION (MSB)

20. Interlock Pin

• Move the 3rd/4th shift rod rearward by pushing

its front end.
Then take out the interlock pin from the 3rd/4th
shift rod.

21. Interlock Ball

• Take out the 2 interlock balls from the transmis-

sion case.

22. 3rd/4th Shift Block
23. 3rd/4th Shift Rod

• Move the shift rod rearward and remove the

shift block and shift rod.

Notice:
When removing the parts, exercise care to prevent the
interlock balls fitted to the front part from falling apart.

24. Spring Pin

Spring Pin Remover: 9-8529-2201-0

25. 1st/2nd Shift Block
26. 1st/2nd Shift Rod

• Move the shift rod rearward and remove the

shift block and shift rod.

27. Interlock Ball

• Take out the 2 interlock balls from the transmis-

sion case.

28. 5th/Reverse Shift Arm
29. 3rd/4th Shift Arm
30. 1st/2nd Shift Arm

N7A0080E

N7A0081E

N7A0082E

N7A0083E

MANUAL TRANSMISSION (MSB) 7B-21

31. Counter Shaft Rear Bearing

• Remove the snap ring from the counter shaft

rear end.

• Remove the snap ring from the top gear shaft

bearing outer circumference.

• Move the counter shaft approximately 3 mm

(0.1 in) rearward by tapping on its front end with
brass or plastic hammer.

• Remove the snap ring from the rear bearing

outer circumference.

• Set the bearing remover to the snap ring

groove to remove the rear bearing.
Bearing Remover: 5-8840-2042-0
Universal Puller: 5-8840-2027-0

N7A0084E

N7A0085E

N7A0086E

N7A0087E