Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 342

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-217

248RY00065

7. Piston return spring

Install piston return spring.

248RY00003

8. Snap ring

Place special tool on the spring retainer, and compress
the return spring.
Spring compressor: 5-8840-0254-0 (J-25048)
Install the snap ring with snap ring pliers.
Be sure the end gap of the snap ring is not aligned with
the spring retainer claw.

248RY00069

9. Cushion plate

Install cushion plate rounded side down as shown.

248RY00070

10. Disc and plate

Install discs and plates.
Install in order: P-D-P-D-P-D-P-D-P-D-P-D (UBS)

: P-D-P-D-P-D-P-D-P-D (TFR/S)

11. Flange

And then install the flange, with the rounded edge
facing downward.

248RY00041

12. Snap ring

Install the snap ring with a screwdriver.
Be sure the end gap of the snap ring is not aligned with
the cutout portion of the forward clutch drum.

7A-218 AUTOMATIC TRANSMISSION (AW30-40LE)

248R200008

Check piston stroke of forward clutch (C-1)

Using a dial indicator, measure the forward clutch
piston stroke by applying and releasing the compressed
air (380 – 780 kPa, 4 – 8 kg/cm

2

or 57 – 114 psi) as

shown.
Pack clearance: 0.6 – 1.0 mm (0.0236 – 0.0394 in)

(UBS)

: 0.5 – 0.9 mm (0.0197 – 0.0354 in)

(TFR/S)

If the piston stroke is not within specification, replace
the discs, and recheck the piston stroke.

Available flange sizes

3.0 mm (0.118 in)

3.4 mm (0.134 in)

4.2 mm (0.165 in)

3.6 mm (0.142 in)

4.4 mm (0.173 in)

3.8 mm (0.150 in)

3.2 mm (0.126 in)

4.0 mm (0.158 in)

13. Race
14. Thrust bearing

Coat the race and bearing with petroleum jelly, and
install them onto the forward clutch drum.

Race and bearing diameter (Reference)

Inside

Outside

Race

26.0 mm (1.024 in) 48.9 mm (1.925 in)

Bearing

26.0 mm (1.024 in) 46.7 mm (1.839 in)

248RY00048

248RY00039

Align the flukes of discs in the direct clutch.
Install the direct clutch assembly onto the forward
clutch assembly.

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-219

248RY00038

Check that the distance from the direct clutch end to
the forward clutch end is 71.2 mm (2.803 in).

7A-220 AUTOMATIC TRANSMISSION (AW30-40LE)

FRONT PLANETARY GEAR

DISASSEMBLY

247R200003

Disassembly steps

1. Race
2. Thrust

bearing

3. Race
4. Front planetary gear

5. Race

(Metal)

6. Thrust

bearing

7. Race
8. Front planetary ring gear

Disassembly steps

1. Race
2. Thrust bearing
3. Race
4. Front planetary gear
5. Race (Metal)
6. Thrust bearing
7. Race
8. Front planetary ring gear