2004 ISUZU TF SERIES oil

7A4–14 UNIT REPAIR (AW30–40LE)
10. Install the solenoid wiring.
Coat a new O-ring with ATF, and install it to the
solenoid wiring.
Insert the solenoid wiring to the case and install the
stopper plate.
Connect the connectors to the solenoid S1 (1), S2
(2), lock-up solenoid (3), and pressure control
solenoid (4).
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11. Install a new oil strainer assembly with gaskets.
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Install the oil strainer with the gaskets to the valve
body. Tighten the four bolts.
Torque: 10 N·m (87lbin)
24 4RY 0 0003

UNIT REPAIR (AW30–40LE) 7A4–15
12. Install the oil pan.
Install two magnets in oil pan.
Remove any gasket material and be careful not to
drop oil on the contacting surfaces of the
transmission case and oil pan.
Apply liquid gasket (TB1281 or its equivalent) to the
oil pan as shown in the figure.
NOTE: Install the oil pan as soon as the seal gasket is
applied.
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Install and tighten the nineteen bolts.
24 0RY 0 002 0
Torque: 7.4 N·m (65lb in)

7A4–16 UNIT REPAIR (AW30–40LE)
Major Components (3)
Major Components (3) and Associated Parts
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E nd O FCallo ut
Legend
(1) Oil pump
(2) Race
(3) OD planetary gear and OD direct clutch
(4) Race
(5) OD planetary ring gear
(6) Snap ring
(7) Flange, plate and disc (B–0)
(8) Bearing and race
(9) Snap ring
(10) OD support
(11) Race
(12) Snap ring
(13) Second coast brake piston assembly
(14) Direct clutch and forward clutch(15) E-ring and pin
(16) Second coast brake band
(17) Front planetary ring gear
(18) Bearing and race
(19) Race
(20) Snap ring
(21) Front planetary gear
(22) Drum and one-way clutch
(23) Snap ring
(24) Flange, plate and disc (B–2)
(25) Snap ring
(26) Rear planetary gear, second brake drum and
output shaft
(27) Bearing

UNIT REPAIR (AW30–40LE) 7A4–17
Disassembly
1. Remove seven bolts fix ing the oil pump to the
transmission case.
Remove the oil pump.
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2. Remove race from oil pump.
24 1RY 0 000 2
3. Remove the overdrive planetary gear and overdrive
direct clutch with thrust needle bearing from the
transmission case.
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4. Remove the race from OD planetary gear.
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UNIT REPAIR (AW30–40LE) 7A4–21
14. Using snap ring pliers, remove the snap ring.
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15. Applying compressed air to the oil hole, remove the
second coast brake piston assembly.
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16. Remove the direct clutch and forward clutch from
the transmission case.
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17. Remove the E-ring from the pin.
Remove the pin from the brake band.
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UNIT REPAIR (AW30–40LE) 7A4–31
Coat the assembled bearing and race with
petroleum jelly and install it onto the forward
clutch.
A ssembled bearing and race diameter
(Reference)
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20. Assembly 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.
RUW 37A SH00 440 1
E nd OFCa llou t
21. 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.
24 8RY 0 0027
22. Check piston stroke of second coast brake
Place a mark on the second coast brake piston rod
as shown in the figure.
24 8RY 0 0005Using wire gauge, measure the stroke by applying
the compressed air (390 – 780 kPa or 57 – 11 4 p s i )
as shown in the figure.
Piston stroke: 1.5 – 3.0 mm (0.059 – 0.118 in) Inside Outside
Bearing
and race33.7 mm (1.33 in) 47.8 mm (1.88 in)
Legend
(1) Second coast brake piston
(2) Oil seal
(3) Piston rod

7A4–32 UNIT REPAIR (AW30–40LE)
If the values are nonstandard, check for an improper
installation.
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23. Coat the race with petroleum jelly and install it onto
the overdrive support assembly.
Race diameter (Reference)
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24. 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 the
overdrive support.
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25. Using snap ring pliers, install the snap ring as
shown in the figure.
25 2RY 0 0008
Inside Outside
Race 36.7 mm (1.44 in) 50.8 mm (2.00 in)

7A4–36 UNIT REPAIR (AW30–40LE)
34. Install the overdrive planetary gear and direct clutch.
2 52L10 000 1
35. Coat the assembled bearing and race with
petroleum jelly and install it onto the direct clutch.
Bearing and race diameter (Reference)
2 52L10 001 8
36. Coat the race with petroleum jelly and install it onto
the oil pump.
Race diameter (Reference)
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37. Coat the O-ring with ATF and install it around the
pump body.
Place the oil pump through the input shaft, and align
the bolt holes of the pump body with the
transmission case.
Hold the input shaft, and lightly press the oil pump
body to slide the oil seal rings on the stator shaft
through the direct clutch drum.
CA UTION:
Do not push on the oil pump strongly or the oil
seal ring will stick to the direct clutch drum.
Install the seven bolts.
Torque: 22 N·m (16 lb ft)
38. Check input shaft rotation.
Make sure the input shaft rotates smoothly.
24 1RY 0 0003
Inside Outside
Bearing
and race28.9 mm (1.138 in) 50.2 mm (1.976 in)
Inside Outside
Race 28.6 mm (1.126 in) 46.5 mm (1.831 in)