Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 338

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-201

REASSEMBLY

252R200004

Reassembly steps

1. OD

support

2. Oil seal ring
3. O-ring
4. OD

brake

piston

5. Piston

return

spring

6. Snap

ring

7. Thrust washer (Plastic)
8. Race
9. Thrust

bearing

252RY00047

Reassembly steps

1. OD support
2. Oil seal ring

Coat the two oil seal rings with ATF.
Contract the oil seals as shown, and install them onto
the OD support.
NOTE :
Do not spread the ring ends more than necessary.

7A-202 AUTOMATIC TRANSMISSION (AW30-40LE)

252RY00048

3. O-ring

Coat two new O-rings with ATF and install them on the
OD brake piston.

4. OD brake piston

Being careful not to damage the O-rings, press in the
brake piston into the OD support, using both hands.

252RY00049

5. Piston return spring

Install piston return spring.

252RY00050

6. Snap ring

Place special tool on the spring retainer, and compress
the return spring with a shop press.
Spring compressor : 5-8840-2170-0 (J-37233)
Install the snap ring with a screwdriver.
Be sure the end gap of the snap ring is not aligned with
cutout portion of the OD support.

252RY00051

7. Thrust washer (plastic)

Coat the thrust washer with petroleum jelly and install it
onto the OD support.
NOTE :
Make sure that the lug fits into the hole on the OD
support.

8. Race

Coat the race with petroleum jelly, and install it onto the
OD support.

Race diameter (Reference)

Inside diameter

28.45 mm (1.120 in)

Outside diameter

47.3 mm (1.862 in)

252RY00052

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-203

9. Thrust bearing

Turn over OD support.
Coat the two races with petroleum jelly, and install them
onto the OD support.

Race and bearing diameter (Reference)

Inside

Outside

Race (A)

37.2 mm (1.465 in) 58.8 mm (2.315 in)

Bearing

and

race (B)

33.7 mm (1.327 in) 50.1 mm (1.972 in)

252RY00069

252RY00042

Check OD brake piston movement

Place the OD support assembly onto the direct clutch
assembly.

252RY00043

Apply compressed air into the oil passage as shown,
and be sure that the OD brake piston moves smoothly.

7A-204 AUTOMATIC TRANSMISSION (AW30-40LE)

DIRECT CLUTCH ASSEMBLY (C-2)

DISASSEMBLY

248R200001

Disassembly steps

1. Clutch drum thrust washer (Plastic)
2. Snap

ring

3. Flange
4. Plate

and

disc

Five plates and five discs (UBS)
Four plates and four discs (TFR/S)

5. Snap

ring

6. Piston return spring
7. Direct

clutch

drum

8. Direct

clutch

piston

9. O-ring

248RY00028

Disassembly steps

Remove direct clutch drum assembly from forward
clutch assembly.