Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 404

7A-164 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: 0.5 – 0.9 mm (0.020 – 0.035 in)
If the piston stroke is not within specification, replace
the discs, and recheck the piston stroke.

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

32.6 mm (1.283 in) 47.7 mm (1.878 in)

Bearing

30.6 mm (1.205 in) 53.6 mm (2.110 in)

248RY00048

248RY00039

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

248RY00038

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

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-165

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

7A-166 AUTOMATIC TRANSMISSION (AW30-40LE)

247RY00021

INSPECTION AND REPAIR

Check front planetary ring gear bushing

Using a dial indicator, measure the inside diameter of
the front planetary ring gear bushing.
Maximum inside diameter: 24.01 mm (0.9453 in)
If the inside diameter is greater than the maximum,
replace the front planetary ring gear.

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-167

REASSEMBLY

247R200004

Reassembly steps

1. Front planetary gear
2. Race
3. Thrust

bearing

4. Race

(Metal)

5. Front planetary ring gear
6. Race
7. Thrust

bearing

8. Race

Reassembly steps

1. Front planetary gear
2. Race
3. Thrust bearing

Coat the race and bearing with petroleum jelly.
Install the race and bearing to the rear side of the front
planetary gear.

Bearing and race diameter (Reference)

Inside

Outside

Bearing

35.6 mm (1.402 in) 47.7 mm (1.878 in)

247RY00023

Race

33.7 mm (1.327 in) 47.6 mm (1.874 in)