Page 4167 of 6020
7A4–32 UNIT REPAIR (AW30–40LE)
Install and tighten the two bolts.
Torque: 25 N ·m (2.5 kgf ·m / 18 lb ·ft)
252RY00004
26. 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)
247RY00020
27. 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 four plates. (Disc
first)
252RY00009
28. Install the (stepped ring) flange with the flat side of the flange facing the disc.
Install the snap ring.
Snap ring (Reference)
246RY00001
Inside diameter 167.9 mm (6.61 in)
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Page 4170 of 6020

UNIT REPAIR (AW30–40LE) 7A4–35
34. Install the overdrive planetary gear and direct clutch.
252L100001
35. Coat the assembled bearing and race withpetroleum jelly and install it onto the direct clutch.
Bearing and race diameter (Reference)
252L100018
36. Coat the race with petroleum jelly and install it onto the oil pump.
Race diameter (Reference)
252RY00014
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.
CAUTION:
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 (2.2 kgf ·m/16 lb ·ft)
38. Check input shaft rotation. Make sure the input shaft rotates smoothly.
241RY00003
Inside Outside
Bearing
and race 28.9 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)
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Page 4172 of 6020
UNIT REPAIR (AW30–40LE) 7A4–37
Oil Pump
Disassembly View
RTW77AMF000201
EndOFCallout
Disassembly
1. Use torque converter as work stand.Remove 2 oil seal rings from stator shaft.
241RY00005
Legend
(1) Oil pump body
(2) Oil pump drive gear
(3) Oil pump driven gear (4) Stator shaft
(5) O-ring
(6) Oil seal ring
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Page 4175 of 6020
7A4–40 UNIT REPAIR (AW30–40LE)
Reassembly
1. Place the oil pump body on the torque converter.
2. Coat the driven gear and drive gear with ATF.
3. Install the driven gear and drive gear.
241RY00014
4. Align the stator shaft with the bolt holes. Tighten the thirteen bolts.
Torque: 10 N ·m (1.0 kg ·m/87 Ib ·in)
241RY00006
5. Install the oil seal ring.
Coat the oil seal rings with ATF.
Contract the oil seal rings as shown, and install
them onto the stator shaft.
NOTE: Do not spread the ring ends too much.
241RY00015
6. Coat a new O-ring with ATF and install it to the oil pump body.
O-ring size (Reference)
241RY00016
Inside diameter 204.9 mm (8.067 in)
Thickness 3.5 mm (0.138 in)
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Page 4176 of 6020
UNIT REPAIR (AW30–40LE) 7A4–41
7. Check oil pump drive gear rotation.Make sure the drive gear rotates smoothly when
installed to the torque converter.
241RY00017
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Page 4178 of 6020
UNIT REPAIR (AW30–40LE) 7A4–43
Disassembly
1. Check operation of one-way clutch.Hold the OD direct clutch drum and turn the input
shaft.
The input shaft should turn freely clockwise and
should lock counterclockwise.
RUW37ASH004501
2. Remove OD direct clutch assembly from OD planetary gear assembly.
252L100004
3. Then remove thrust bearing with the race from ODdirect clutch drum. 4. Check piston stroke of OD direct clutch (C
–0).
Place the oil pump onto the torque converter, and
then place the OD direct clutch assembly onto the
oil pump.
252L100005Use a dial indicator, measure the OD direct clutch
piston stroke applying and releasing the
compressed air (390 – 780 kPa or 57 – 114 psi) as
shown.
Piston stroke: 1.85 – 2.15 mm (0.0728 – 0.0846 in)
252L100016
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ISUZU KB P190 2007
Page 4179 of 6020
7A4–44 UNIT REPAIR (AW30–40LE)
5. Remove snap ring from clutch drum.
252L100006
6. Remove flange, two discs and two plates.
7. Place special tool on the spring retainer and compress the return spring.
Using snap ring pliers, remove the snap ring.
Spring compressor : 5-8840-0195-0
252L100007
8. Remove piston return spring
9. Remove the OD direct clutch piston with O-ring.
Place the oil pump onto the torque converter and
then place the OD direct clutch onto the oil pump.
Holding the OD direct clutch piston by hand,
apply compressed air to the oil pump to remove
the OD direct clutch piston.
Remove the OD direct clutch piston.
252L100008
10. Remove two O –rings from piston.
11. Remove bearing and race from OD planetary ring gear.
RTW46BSH000301
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ISUZU KB P190 2007
Page 4185 of 6020
7A4–50 UNIT REPAIR (AW30–40LE)
13. Install two plates and two discs then install theflange, with the flat side facing downward.
252L100013
14. Install snap ring.
252L100014
15. Check piston stroke of OD direct clutch (C –0)
Place the oil pump onto the torque converter, and
then place the OD direct clutch assembly onto the
oil pump.
252L100005Using a dial indicator, measure the OD direct clutch
piston stroke by applying and releasing the
compressed air (390 – 780 kPa or 57 – 114 psi) as
shown.
Piston stroke: 1.85 – 2.15 mm (0.0729 – 0.0847 in)
If the piston stroke is not within specification,
replace the disc and recheck the piston stroke.
If the piston stroke is nonstandard, select another
flange.
Flange sizes
252L100016
Flange thickness Flange thickness
3.8 mm (0.150 in) 3.4 mm (0.134 in)
3.7 mm (0.146 in) 3.3 mm (0.130 in)
3.6 mm (0.142 in) 3.2 mm (0.126 in)
3.5 mm (0.138 in) 3.1 mm (0.122 in)
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ISUZU KB P190 2007