Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 332

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-177

248RY00004

Using wire gauge, measure the stroke by applying the
compressed air (390 – 780 kPa, 4 – 8 kg/cm

2

or 57 –

114 psi) as shown in the figure.
Piston stroke: 1.5 – 3.0 mm (0.059 – 0.118 in)
If the values are nonstandard, check for an improper
installation.

21. Race

Coat the race with petroleum jelly and install it onto the
overdrive support assembly.

Race diameter (Reference)

Inside

Outside

Race

28.45 mm (1.120 in) 47.3 mm (1.862 in)

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22. OD support

Aim the bolt and oil holes of the overdrive support
toward the valve hole side, and align them with the bolt
hole of the transmission case and insert.

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23. Snap ring

Using snap ring pliers, install the snap ring as shown in
the figure.

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Install and tighten the two bolts.
Torque: 25 N････m (2.6 kg････m/19 Ib････ft)

7A-178 AUTOMATIC TRANSMISSION (AW30-40LE)

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Check end of output shaft

Using a dial indicator, measure the end play of the
output shaft by hand.
End play: 0.27 – 0.86 mm (0.0106 – 0.0339 in)

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24. Flange, plate and disc (B-0)

Install the (flat ring) 4.0 mm (0.157 in) thick flange with
the rounded edge side of the flange facing the disc.
Alternately install four discs and three plates. (Disc first)

25. Snap ring

Install the (stepped ring) flange with the flat side of the
flange facing the disc.
Install the snap ring.

Snap ring (Reference)

Inside diameter

167.9 mm (6.61 in)

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Check piston stroke of overdrive brake

Place a dial indicator onto the overdrive brake piston as
shown in the figure.

AUTOMATIC TRANSMISSION (AW30-40LE) 7A-179

Measure the stroke by applying and releasing the
compressed air (390 – 780 kPa, 4 – 8 kg/cm

2

or 57 –

114 psi) as shown in the figure.
Piston stroke: 1.40 – 1.70 mm (0.0551 – 0.0669 in)
If the values are nonstandard, check for an improper
installation.

Available flange size

3.3 mm (0.130 in)

3.8 mm (0.150 in)

3.5 mm (0.138 in)

3.9 mm (0.154 in)

3.6 mm (0.142 in)

4.0 mm (0.158 in)

3.7 mm (0.146 in)

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Remove the snap ring.

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Remove two flanges, three plates and four discs.

26. Bearing and race

Coat the bearing and races with petroleum jelly and
install them onto the overdrive support.

Bearing and races diameter (Reference)

Inside

Outside

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

Bearing

and

race (Rear)

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

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7A-180 AUTOMATIC TRANSMISSION (AW30-40LE)

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27. OD planetary ring gear

Install the overdrive planetary ring gear.

28. Bearing and race

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

Bearing and race diameter (Reference)

Inside

Outside

Bearing

and race

24.2 mm (0.953 in) 47.8 mm (1.882 in)

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29. Race

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

Race diameter (Reference)

Inside

Outside

Race

24.7 mm (0.972 in) 41.8 mm (1.646 in)

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30. OD planetary gear and OD direct clutch

Install the overdrive planetary gear and direct clutch.