Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 409

7A-184 AUTOMATIC TRANSMISSION (AW30-40LE)

247RY00047

Install a brake flange onto the rear planetary gear
assembly.
Install six clutch discs and six brake plates alternately,
starting with clutch disc, onto the rear planetary gear
assembly.

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13. Oil seal ring

Coat the oil seal ring with ATF and install it to the output
shaft.
NOTE:
Do not spread the ring ends too much.

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14. Output shaft

Install output shaft into rear planetary gear assembly.

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15. Second brake assembly

Install second brake assembly to output shaft.

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-185

FIRST AND REVERSE BRAKE (B-3)

DISASSEMBLY

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Disassembly steps

1. Thrust bearing and race
2. Snap

ring

3. Piston

return

spring

4. First and reverse brake piston No.2
5. O-ring

6. Reaction

sleeve

7. O-ring
8. First and reverse brake piston No.1
9. O-ring

7A-186 AUTOMATIC TRANSMISSION (AW30-40LE)

247RY00043

Disassembly steps

1. Thrust bearing and race

Remove assembled bearing and race from
transmission case.

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Check first and reverse brake piston movement

Make sure that first and reverse brake piston moves
smoothly when applying and releasing the compressed
air into the transmission case.

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2. Snap ring

Set special tool on the spring retainer, and compress
the return spring.
Spring compressor: 5-8840-0254-0 (J-25048)
Remove the snap ring with snap ring pliers.

3. Piston return spring

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4. First and reverse brake piston No.2

Holding the first and reverse brake piston No.2 by hand,
apply compressed air to the transmission case to
remove the first and reverse brake piston No.2.
Remove the first and reverse brake piston No.2.
If the piston does not pop out with compressed air, lift
the piston out with needle-nose pliers.

5. O-ring

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6. Reaction sleeve

Insert special tool behind the reaction sleeve and
gradually lift it out of the transmission case.
Reaction sleeve puller: 5-8840-2173-0 (J-37236)

7. O-ring

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-187

247RY00044

8. First and reverse brake piston No.1

Insert special tool behind the first and reverse brake
piston No.1 and gradually lift it out of the transmission
case.
Piston puller: 5-8840-2174-0 (J-37237)

9. O-ring