Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 347

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-237

247RY00035

Reassembly steps

1. Rear planetary ring gear
2. Ring gear flange

Install ring gear flange to the rear planetary ring gear.

3. Snap ring

Install snap ring to the rear planetary ring gear.

4. Thrust bearing and race

Coat the races and bearing with petroleum jelly, and
install them onto the rear planetary ring gear.

Races and bearing diameter (Reference)

Inside

Outside

Race (A)

28.5 mm (1.122 in) 44.2 mm (1.740 in)

Bearing

and race
(B)

27.7 mm (1.091 in) 44.2 mm (1.740 in)

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5. Rear planetary gear
6. Thrust washer (Plastic)
7. Thrust washer (Plastic)

Coat the thrust washers with petroleum jelly.
Install the thrust washers onto both sides of the rear
planetary gear, facing the grooved side upward.
NOTE:
Make sure that the lugs fit into the cutout portions
on the rear planetary gear.

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8. One-way clutch

Install the one-way clutch with the flanged side facing
upward onto the rear planetary gear.

7A-238 AUTOMATIC TRANSMISSION (AW30-40LE)

247RY00039

9. Snap ring

Install snap ring.

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10. One-way clutch inner race

While turning counterclockwise, install one-way clutch
inner race to rear planetary gear.

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Check operation of one-way clutch

Hold the planetary gear and turn the one-way clutch
inner race.
The one-way clutch inner race should turn freely
counterclockwise and should lock clockwise.

①: Lock

②: Free

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11. Rear planetary gear assembly

Install rear planetary gear onto rear planetary ring gear.

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12. Disc, plate and flange (B-3)

Install a brake flange onto the rear planetary gear
assembly.
Install a clutch plate onto the rear planetary gear
assembly.
NOTE:
The claw interval of the plate should be as shown in
the figure when viewing the clutch plate from the
arrow direction.

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-239

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Install seven clutch discs and seven brake plates (UBS)
or six clutch discs and six brake plates (TFR/S)
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.

7A-240 AUTOMATIC TRANSMISSION (AW30-40LE)

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