Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 331

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-173

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8. Drum

While turning the sun gear input drum clockwise.
Install it into the one-way clutch.
NOTE:
Confirm the thrust washers are installed correctly.

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9. Front planetary gear and bearing

Install the front planetary gear to the sun gear.
NOTE:
Confirm the bearing and race is installed correctly.

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With wooden blocks under the output shaft, stand the
transmission on the output shaft.

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10. Snap ring

Using snap ring pliers, install the snap ring.

11. Race

Coat the bearing race with petroleum jelly and install it
onto the front planetary gear.

Bearing race diameter (Reference)

Bearing

race

Diameter

Inside

34.3 mm (1.350 in)

Outside

47.8 mm (1.882 in)

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7A-174 AUTOMATIC TRANSMISSION (AW30-40LE)

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12. Second coast brake band

Insert the second coast brake band to the transmission
case.

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13. E-ring and pin

Install the pin through the brake band.

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Install the E-ring to the pin.

14. Bearing and race

Coat the bearing and race with petroleum jelly and
install them onto the forward clutch.


Bearing and race diameter (Reference)

Inside

Outside

Bearing

26.0 mm (1.024 in)

46.7 mm (1.839 in)

Race

26.0 mm (1.024 in)

48.9 mm (1.925 in)

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AUTOMATIC TRANSMISSION (AW30-40LE) 7A-175

15. Race

Coat the race with petroleum jelly and install it onto the
front planetary ring gear.

Race diameter (Reference)

Inside

Outside

Race

26.8 mm (1.055 in)

47.0 mm (1.850 in)

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Align the flukes of the discs in the forward clutch.

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16. Front planetary ring gear

Align the spline of the front planetary gear with the
flukes of the discs and install the front planetary gear to
the forward clutch.

17. Bearing and race

Coat the bearing and race with petroleum jelly and
install them onto the ring gear.

Bearing and race diameter (Reference)

Inside

Outside

Bearing

32.6 mm (1.283 in)

47.7 mm (1.878 in)

Race

30.6 mm (1.205 in)

53.6 mm (2.110 in)

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18. Direct clutch and forward clutch

Install the assembled direct clutch, forward clutch and
front planetary ring gear into the transmission case.

7A-176 AUTOMATIC TRANSMISSION (AW30-40LE)

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Using vernier calipers, measure the distance between
the sun gear input drum and direct clutch drum as
shown in the figure.
Height: 9.8 – 11.8 mm (0.386 – 0.465 in)
If the values are nonstandard, check for an improper
installation.

Coat the assembled bearing and race with petroleum
jelly and install it onto the forward clutch.

Assembled bearing and race diameter
(Reference)

Inside

Outside

Bearing

and race

29.1 mm (1.146 in) 50.2 mm (1.976 in)

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19. Second coast brake piston assembly

Coat the oil seal ring with ATF and install it to the
second coast brake piston.
Install the washer, spring and piston to the piston rod.
Install the E-ring.

①: Second coast brake piston

②: Oil seal

③: Piston rod

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20. Snap ring

Coat two new oil seals with ATF and install them to the
piston cover.
Install the spring, second coast brake piston assembly
and piston cover to the transmission case.
Using snap ring pliers, install the snap ring.

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Check piston stroke of second coast brake

Place a mark on the second coast brake piston rod as
shown in the figure.