Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 1604

7B–52

MANUAL TRANSMISSION

226RS031

8. Install needle bearing(18), 1st block ring(17), 1st

outside ring(16), 1st inside ring(15), and 1st gear(14).

D

Apply engine oil to the needle bearing, 1st gear
thrust surfaces and synchronizer ring friction
surfaces.

D

Install the needle bearing and the 1st gear to the
mainshaft.
The 1st gear dog teeth must be facing the
transmission front side.

226RS053

Legend

(1) 1st Gear
(2) Needle Bearing
(3) Inside Ring
(4) Outside Ring
(5) Block Ring

9. Install the 1st gear thrust bearing and the race(13) to

the main shaft.
The thrust bearing side must be facing the
transmission front side.

226RS054

10. Apply engine oil to the mainshaft ball bearing(12) and

the mainshaft(26).
Install the ball bearing(12) and needle bearing
collar(11) to the mainshaft(26).
The ball bearing snap ring groove must be facing the
transmission rear side.
Use a bench press and installer J–6133–01 to slowly
force the collar into place.

226RS055

MANUAL TRANSMISSION

7B–53

11. Apply engine oil to the needle bearing and the 3rd

gear thrust surfaces.
Install the needle bearing(10) and the 3rd gear(9) to
the mainshaft.
The 3rd gear dog teeth must be facing the
transmission front side.

226RS056

12. Install 3rd block ring(8).
13. Check and install 3rd–4th synchronizer assembly(7)

by the following steps:
1. Check that the inserts(3) fit snugly into the block

ring insert grooves.

2. Check that the insert springs(4) are fitted to the

inserts as shown in the illustration.

3. Check that the clutch hub(5) and the sleeve(6)

slide smoothly.

4. Install the synchronizer assembly to the

mainshaft.

The clutch hub face (with the heavy boss) must be
facing the 3rd gear side.

226RW221

226RS049

14. Select and install mainshaft snap ring(6) in the

following way:

D

Select the snap ring which will provide the minimum
clearance between the 3rd–4th clutch hub and the
snap ring.

226RS058

7B–54

MANUAL TRANSMISSION

There are three snap ring sizes available.
The snap rings are color coded to indicate their
thickness.

226RS021

Clutch Hub and Snap Ring Clearance

Standard: 0 – 0.1 mm (0 – 0.004 in)

Snap Ring Availability

Thickness

Color Coding

1.80 mm (0.071 in)

White

1.85 mm (0.073 in)

Yellow

1.90 mm (0.075 in)

Blue

D

Use a pair of snap ring pliers to install the snap ring
to the mainshaft.
The snap ring must be fully inserted into the
mainshaft snap ring groove.

15. Install top block ring(5).
16. Apply grease to the bearing inner and outer

circumferences and install needle bearing(4).

17. Use a bench press to install the top gear shaft ball

bearing(3) to the top gear shaft(2).

226RS059

The snap ring groove must be facing the transmission
front side.

18. Use a pair of snap ring pliers to install the top gear

shaft snap ring(1) to the bearing.

MANUAL TRANSMISSION

7B–55

Main Data and Specifications

General Specifications

4X2

4X4

Transmission type

Fully synchronized forward and reverse gears

Transfer case

—

Synchronized type gears
shifting between the 2– and
4–wheel drive mode.
Constant mesh type gears
between “low” and “high”

Control method

Remote control with the gear shift lever on the floor.

Gear ratio: Transmission

1st

3.767

2nd

2.248

3rd

1.404

4th

1.000

5th

0.809

Rev.

3.873

Gear ratio: Transfer

High

—

1.000

Low

—

2.050

Transmission oil capacity

2.95 lit. (3.12 US qt)

Transfer oil capacity

—

1.45 lit. (1.53 US qt)

Type of lubricant

Engine oil: Refer to the chart in “SECTION 0”