Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 343

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-221

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: 24.08 mm (0.9480 in)
If the inside diameter is greater than the maximum,
replace the front planetary ring gear.

7A-222 AUTOMATIC TRANSMISSION (AW30-40LE)

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)

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-223

4. Race (Metal)

Turn over the planetary gear and install the race.
Make sure that the lugs fit into the holes on the front
planetary gear.

Race diameter (Reference)

Inside

Outside

Race

34.3 mm (1.350 in) 47.8 mm (1.882 in)

247RY00024

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

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

Race and bearing diameter (Reference)

Inside

Outside

Race

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

Bearing

32.7 mm (1.287 in) 47.7 mm (1.878 in)

247RY00025

8. Race

Turn over the planetary ring gear and install the race
onto the front side of the front planetary ring gear.

Race diameter (Reference)

Inside

Outside

Race

26.8 mm (1.055 in) 47.0 mm (1.850 in)

247RY00026

7A-224 AUTOMATIC TRANSMISSION (AW30-40LE)

PLANETARY SUN GEAR AND NO.1

ONE-WAY CLUTCH

DISASSEMBLY

248R200005

Disassembly steps

1. One-way clutch and second brake hub
2. Thrust washer (plastic)
3. Oil seal ring (Metal)
4. Snap

ring

5. Sun

gear

input

drum

6. Snap

ring

7. Planetary sun gear

248RY00051

Disassembly steps

Check operation of No.1 one-way clutch

Hold the planetary sun gear and turn the second brake
hub.
The second brake hub should turn freely clockwise and
should lock counterclockwise.

①: Free

②: Lock