section 8 ISUZU TF SERIES 2004 Workshop Manual

MANUAL TRANSMISSION 7B1-5

Rear Oil Seal (4





2)
Disassembled View
220R300030
Legend

(1) Rear Propeller Shaft (2) Rear Oil Seal

Removal
1. Raise and support vehicle with suitable jack stands.
2. Remove propeller shaft flange yoke bolts and nuts
at the differential side.
3. Remove center bearing from crossmenber.
4. Remove prepeller shaft from the transmission main
shaft spline.
Refre to the section “Rear Propeller Shaft”.
5. Use a screwdriver to pry the rear oil seal from the
rear cover.

Installation
1. Install a new oil seal (2) using the installer 5-8522-
0050-0.



220RS044
2. Insert the splined yoke into the transimission
mainshaft spline.
3. Install the propeller shaft flange yoke to the drive
pinion flange.

7B1-8 MANUAL TRANSMISSION

Removal
1. Disconnect battery ground cable.
2. Remove gear control lever knob (1).
3. Remove rear floor console (2). (Bucket seat)
Refer to the section “Floor Console”.
4. Remove front floor console (3).
Refer to the section “Floor Console”.
745R300006

Legend
(1) Knob
(2) Rear Floor Console
(3) Front Floor Console

5. Remove grommet assembly (4).



RTW47BMH000101

MANUAL TRANSMISSION 7B1-31

13. Use screw drivers between the reverse gear (26)
and bearing plate (28) to remove the Rev-5th
synchronizer assembly (24) together with reverse
block ring (25) and reverse gear (26).

226RS010
14. Remove needle bearing (27).
15. Use the torx bit wrench (T45) 5-8840-0047-0 to
remove the bearing plate and screw(28) from the
intermediate plate.

220RW137
16. Use the snap ring pliers (1) to remove the mainshaft
bearing snap ring (2) (29).


226RS011
17. Hold the snap ring open with the pliers.
Push the intermediate plate (30) toward the rear of
the transmission to remove it.
The bearing snap ring (29) will come free.

Inspection and Repair
Refer to Top Gear Shaft, Main Gear Shaft, and Counter
Gear in this section for inspection and repair.

Reassembly
1. Mesh the counter gear with the mainshaft assembly.
Set the holding fixture 5-8840-2160-0 to the
mainshaft and the counter gear and then install it on
the base 5-8840-0003-0.
Install the intermediate plate (30) on the gear
assembly.
226RW212

7B1-50 MANUAL TRANSMISSION

Main Data and Specifications
General Specifications
MUA 5G MUA 5S
Transmission type Fully synchronized forward and reverse gears
Control method Remote control with the gear shift lever on the floor.
Gear ratio: Transmission 1st 4.008 4.357
2nd 2.301 2.502
3rd 1.427 1.501
4th 1.000 1.000
5th 0.828 0.809
Rev. 3.651 3.970
Transmission oil capacity 2.95 lit. (3.12 US qt)
Type of lubricant Engine oil: Refer to the chart in "SECTION 0"

MANUAL TRANSMISSION 7B1-51

Torque Specifications

RTW47BLF001201
About arrow mark, refer to Transmission (MUA) Installation in this section.

MANUAL TRANSMISSION 7B1-65

Removal
1. Disconnect battery ground cable.
2. Remove gear control lever knob (1).
3. Remove rear floor console (2). (Bucket seat)
Refer to the section “Floor Console”.
4. Remove front floor console (3).
Refer to the section “Floor Console”.
745R300006

Legend
(1) Knob
(2) Rear Floor Console
(3) Front Floor Console
5. Remove grommet assembly (4).



RTW47BMH000101

7B1-74 MANUAL TRANSMISSION

15. Install the transmission-transfer bolts and nut and
tighten them to the specified torque.
Torque: 41 N





m (4.2 kg





m/30 lb





ft)
261R300005
18. Install the exhaust pipe (9). (6VE1)
Torque: 67 N




m (6.8 kg




m/49 lb




ft)
RTW37ASH000101
19. Install front propeller shaft (7).
Refer to the section “Front Propeller Shaft”.
20. Install rear propeller shaft (6).
Torque: 63 N




m (6.4 kg




m/46 lb




ft)
21. Install the center bearing on crossmember.
Torque: 69 N




m (7.0 kg




m/51 lb




ft)
22. Install gear control lever (5).
Torque: 19 N





m (1.9 kg





m/14 lb





ft)

7B1-88 MANUAL TRANSMISSION

13. Use screw drivers between the reverse gear (23)
and bearing plate (25) to remove the Rev-5th
synchronizer assembly (21) together with reverse
block ring (22) and reverse gear (23).

226RS010
14. Remove needle bearing (24).
15. Use the torx bit wrench (T45) 5-8840-0047-0 to
remove the bearing plate and screw(25) from the
intermediate plate.

220RW137
16. Use the snap ring pliers (1) to remove the mainshaft
bearing snap ring (2) (26).


226RS011
17. Hold the snap ring open with the pliers.
Push the intermediate plate (27) toward the rear of
the transmission to remove it.
The bearing snap ring will come free.

Inspection and Repair
Refer to Top Gear Shaft, Main Gear Shaft, and Counter
Gear in this section for inspection and repair.

Reassembly
1. Mesh the counter gear with the mainshaft assembly.
Set the holding fixture 5-8840-2160-0 to the
mainshaft and the counter gear and then install it on
the base 5-8840-0003-0.
Install the intermediate plate (27) on the gear
assembly.
226RW212

MANUAL TRANSMISSION 7B1-107

Main Data and Specifications
General Specifications

MUA5G MUA5S
Transmission type Fully synchronized forward and reverse gears
Control method Remote control with the gear shift lever on the floor.
Gear ratio: Transmission 1st 4.008 4.357
2nd 2.301 2.502
3rd 1.427 1.501
4th 1.000 1.000
5th 0.828 0.809
Rev. 3.651 3.970
Transmission oil capacity 2.95 lit. (3.12 US qt)
Type of lubricant Engine oil: Refer to the chart in "SECTION 0"

7B1-108 MANUAL TRANSMISSION

Torque Specifications

RTW47BLF001101
About arrow mark, refer to Transmission (MUA) Installation in this section.