Transmission ISUZU TF SERIES 2004 Workshop Manual

MSG MODEL 7B-13





Starter Motor
1. Install the starter motor to the engine rear plate.
2. Tighten the starter motor bolts to the specified torque.
Starter Motor Torque N

m (kgf

m/lb

ft)
78 (8.0 / 58)




Slave Cylinder
Install the slave cylinder to the transmission case.
Slave Cylinder Bolt Torque N

m (kgf

m/lb

ft
)
78 (8.0 / 58)

Harness Connector
Connect the back up light switch connector and speedometer
sensor connector.



Rear Propeller Shaft (Single Shaft Type)
1. Insert the splined yoke 1 with the propeller shaft into the
transmission main shaft spline
2 .
2. Install the propeller shaft flange yoke
3 to the drive pinion
side.
3. Tighten the propeller shaft flange yoke bolt to the specified
torque.
Propeller Shaft Flange Yoke Bolt Torque N
m (kgf
m/lb
ft)
M8 : 35.3 (3.6 / 26)
M10 : 62.7 (6.4 / 46.3)



Rear Propeller Shaft (Dual Shaft Type)
1. Place the center bearing and retainer 1 together with the
1st propeller shaft
2 and 2nd propeller shaft 7 on the No.4
crossmember
3.
2. Insert the splined yoke
4into the transmission main shaft
spline
5.
3. Tighten the center bearing retainer bolts
6 to the specified
torque.
Center Bearing Retainer Bolt Torque N

m (kgf

m/lb

ft)
60.8 (6.2 / 44.8)



4. Connect the 2nd propeller shaft
7 and drive pinion side 8.
Be sure to align the setting marks applied at disassembly.
5. Tighten the coupling bolts to the specified torque.
Propeller Shaft Flange Yoke Bolt
Torque N

m (kgf

m/lb

ft)
M8 : 35.3 (3.6 / 26)
M10 : 62.7 (6.4 / 46.3)

7B-14 MSG MODEL



Exhaust Pipe
1. Install the exhaust pipe to the exhaust manifold and the
2nd exhaust pipe.
2. Install the exhaust pipe bracket to the transmission case.

Gear Shift Lever
1. Replenish the transmission case with the specified engine
oil.
Transmission Case Oil lit(US gal.)
1.55 (0.41)

2. Install the gear shift lever to the gear control box.
3. Tighten the gear shift lever cover bolts to the specified
torque.
Shift Lever Cover Bolt Torque N

m(kgf

m/lb

ft)
19.6 (2.0 / 14.5)
4. Install the dust cover and the grommet.
5. Install the front console assembly.
6. Install the gear shift lever knob.



Lowering the Vehicle
1. Place a jack beneath the vehicle.
2. Raise the jack to remove the chassis stands.
3. Lower the vehicle to the ground.



Engine Hood
Align the setting marks(applied at removal)on the engine hood
and the engine hood hinges to install the engine hood.



Battery Cable
Connect the negative (-) cable to the battery terminal.

MSG MODEL 7B-15
DISASSEMBLY
MAJOR COMPONENTS




RTW47BLF000301

Disassembly Steps
1. Clutch shift block and release bearing
2. Clutch shift fork
3. Speedometer sensor
4. Speedometer driven gear assembly
5. Gear control box assembly


6. Front cover with oil seal



7. Counter gear snap ring


8. Bearing snap ring
9. Rear cover with oil seal
10. Transmission case
11. Intermediate plate with gear assembly

7B-16 MSG MODEL



Important Operations
6. Front Cover with Oil Seal
Remove the front cover with oil seal from the transmission
case.



7. Counter Gear Snap Ring
8. Bearing Snap Ring
Use pair of snap ring pliers to remove the snap ring.

7B-22 MSG MODEL




27. Bearing Snap Ring
28. Intermediate Plate
1) Insert the snap ring pliers into the mainshaft bearing snap
ring hole.
The snap ring hole is in the intermediate plate

1.
2) Use the snap ring pliers
2to force open the mainshaft
bearing snap ring
3.
Hold the snap ring open with the pliers.
3) Push the intermediate plate toward the rear of the
transmission to remove it.
The ball bearing snap ring will come free.

MSG MODEL 7B-31



Important Operations
2. Needle Bearing
3. 2nd Gear
1) Apply the engine oil to the 2nd needle bearing and the 2nd
gear.
2) Install the needle bearing and the 2nd gear to the
mainshaft.
The dog teeth of the 2nd gear must be facing the rear side
of the transmission.


5. 1st-2nd Synchronizer Assembly
1) Apply the engine oil to the clutch hub spline.
2) Install the synchronizer assembly to the mainshaft.
The outside sleeve heavy chamfering must be facing the
rear of the transmission.
1 Chamfer Angle = 30


2 Chamfer Angle = 45





7. Needle Bearing Collar
Use a bench press and the collar installer to install the needle
bearing collar.
Collar Installer : 5-8840-0178-0 (J-33851)



8. Needle Bearing
9. 1st Gear
1) Apply the engine oil to the 1st needle bearing and the 1st
gear.
2) Install the needle bearing and the gear to the mainshaft.
The dog teeth of the 1st gear must be facing the front side
of the transmission.


10. 1st Gear Thrust Washer
Install the thrust washer to the mainshaft.
The thrust washer oil groove must be facing the 1st gear side.

7B-32 MSG MODEL



11. Mainshaft Ball Bearing
1) Apply the engine oil to the ball bearing inside
circumference.
2) Use a bench press and the bearing installer to install the
bearing.
The bearing snap ring groove must be facing the front o
f
the transmission.
Bearing Installer : 5-8840-0015-0 (J-22912-01)




12. Needle Bearing
13. 3rd Gear
1) Apply the engine oil to the 3rd needle bearing and the 3rd
gear.
2) Install the needle bearing and the gear to the mainshaft.
The dog teeth of the 3rd gear must, be facing the front side
of the transmission.






15. 3rd-4th Synchronizer Assembly
1)
Apply the recommended lubricating oil to the clutch hub
spline.
2) Install the synchronizer assembly to the mainshaft.
The sleeve light chamfering

1 and the clutch hub heavy
boss

2 must be facing the rear of the transmission.



16. Mainshaft Snap Ring
1) Select the snap ring which will provide the minimum
clearance between the mainshaft and the snap ring.
There are four snap ring sizes available.
The snap rings are numbered to indicate their thickness.
Mainshaft and Snap Ring Clearance mm(in)
Standard
0 - 0.05 (0.002)


Snap Ring Availability mm(in)Thickness Identification Number
1.50 (0.059) 1
1.55 (0.061) 2
1.60 (0.063) 3
1.65 (0.065) 4
2) Use a pair of snap ring pliers to install the snap ring to the
mainshaft.

MSG MODEL 7B-33


19. Top Gear Shaft
20. Ball Bearing
Use a bench press and the installer to install the ball bearing
to the top gear shaft.
The snap ring groove must be facing the front of the
transmission.
Bearing Installer : 5-8840-0015-0 (J-22912-01)




25. Rear Ball Bearing
Use a bench press and the bearing installer to install the
bearing to the counter gear.
Bearing Installer : 5-8840-0015-0 (J-22912-01)

7B-36 MSG MODEL


13. Rev.-5th Synchronizer Assembly
1) Apply the engine oil to the clutch hub spline.
2) Install the synchronizer assembly to the mainshaft.
The sleeve heavy chamfer

1 and the insert short side
2
must be facing to the rear side of the transmission.


14. Mainshaft Lock Nut and Washer
1) Install a new lock nut and washer to the mainshaft.
Never reinstall the used lock nut and washer.
2) Use the lock nut wrench to tighten the lock nut to the
specified torque.
Lock Nut Wrench : 5-8840-0353-0 (J-36629)
Lock Nut Torque Nm(kgfm/lbft)
107.8 (11 / 79.6)



22. Counter Reverse Gear Nut and Washer
Tighten the counter gear lock nut to the specified torque.
Reverse Gear Nut Torque N
m(kgf
m/lb
ft)
107.8 (11 / 79.6)



18. Thrust Washer and Lock Ball
23. Thrust Washer Thrust Ring
24. Thrust Ring Snap ring
1) Install the thrust washer with lock ball together with the
thrust ring to the mainshaft.
2) Use a pair of snap ring pliers to install the snap ring.


3) Use a thickness gauge to measure the clearance between
the 5th gear and the thrust washer.
5th Gear and Thrust Washer Clearance mm(in)
Standard
0.1 - 0.3 (0.004 - 0.012)
If required, replace the existing thrust washer with a new
thrust washer to bring the clearance to specification.

MSG MODEL 7B-39



Important Operations
2. 1st-2nd Shift Arm
3. 3rd-4th Shift Arm
7. Rev.-5th Shift Arm
1) Hold a round bar against the shift rod end lower face to
protect it against damage.
2) Use a spring pin installer to install the spring pin to the shift
arm and the shift rod.
Never reinstall the used spring pins.


11. Detent spring Plate and Gasket.
1) Install the new detent plete and new gasket onto the
transmission case into the correct direction.
2) Tighten the detent spring plate bolts to the specified torque.
Detent Spring Plate Bolt Torque N
m(kgf
m/lb
ft)
18.6 (1.9 / 13.7)