Page 3849 of 4264
UNIT REPAIR (AW30–40LE) 7A4–41
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.
24 1RY 0 001 4
4. Align the stator shaft with the bolt holes.
Tighten the thirteen bolts.
Torque: 10 N·m (87Ibin)
24 1RY 0 000 6
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.
24 1RY 0 0015
6. Coat a new O-ring with ATF and install it to the oil
pump body.
O-ring size (Reference)
24 1RY 0 0016
Inside diameter 204.9 mm (8.067 in)
Thickness 3.5 mm (0.138 in)
Page 3850 of 4264
7A4–42 UNIT REPAIR (AW30–40LE)
7. Check oil pump drive gear rotation.
Make sure the drive gear rotates smoothly when
installed to the torque converter.
24 1RY 0 001 7
Page 3851 of 4264
UNIT REPAIR (AW30–40LE) 7A4–43
OD Planetary Gear and OD Direct Clutch Assembly (C–0)
Disassembled View
RTW 37A M F00 0701
E nd O FCallo ut
Legend
(1) OD direct clutch assembly
(2) OD planetary gear assembly
(3) Thrust bearing
(4) Snap ring
(5) Flange, disk and plate
(6) Snap ring
(7) Piston return spring
(8) OD direct clutch piston
(9) O-ring(10) Race and bearing asm
(11) Snap ring
(12) Ring gear flange
(13) OD planetary ring gear
(14) Race
(15) Snap ring
(16) Retaining plate
(17) OD one-way clutch
(18) Thrust washer
Page 3852 of 4264
7A4–44 UNIT REPAIR (AW30–40LE)
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.
RUW 37A SH00 450 1
2. Remove OD direct clutch assembly from OD
planetary gear assembly.
2 52L10 000 4
3. Then remove thrust bearing with the race from OD
direct 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.
25 2L10 0005Use 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)
25 2L10 0016
Page 3853 of 4264
UNIT REPAIR (AW30–40LE) 7A4–45
5. Remove snap ring from clutch drum.
2 52L10 000 6
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 : J–23327–1
2 52L10 000 7
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.
25 2L10 0008
10. Remove two O–rings from piston.
11. Remove bearing and race from OD planetary ring
gear.
RTW4 6BSH00 0301
Page 3854 of 4264
7A4–46 UNIT REPAIR (AW30–40LE)
12. Remove snap ring.
25 2RY 0 002 2
13. Remove ring gear flange from OD planetary ring
gear.
25 2RY 0 002 3
14. Remove the Race.15. Remove snap ring, using screwdriver.
25 2RY 0 0024
16. Remove retaining plate from OD planetary gear.
25 2RY 0 0025
17. Remove OD one-way clutch with outer race.
25 2RY 0 0026
Page 3855 of 4264
UNIT REPAIR (AW30–40LE) 7A4–47
18. Remove the thrust washer.
Inspection and Repair
1. Check discs.
Using a micrometer, measure the thickness of the
discs.
Minimum thickness: 2.04 mm (0.0803 in)
If the thickness is less than the minimum, replace
the disc.
25 2RY 0 002 7
2. Check piston return spring
Using calipers, measure the free length of the return
spring.
Standard length: 15.8 mm (0.622 in)
25 2RY 0 002 8
3. Check OD direct clutch piston.
Check that the check ball is free by shaking the
piston. Check that the valve does not leak by
applying low-pressure compressed air.
25 2RY 0 0029
4. Check OD direct clutch drum bushings.
Using a dial indicator, measure the inside diameter
of the OD direct clutch drum bushings.
Maximum inside diameter: 27.11 mm (1.0673 in)
If the inside diameter is greater than the maximum,
replace the OD direct clutch drum.
25 2L10 0009
Page 3856 of 4264
7A4–48 UNIT REPAIR (AW30–40LE)
5. Check OD planetary gear bushing.
Using a dial indicator, measure the inside diameter
of replace the OD planetary gear bushing.
Maximum inside diameter: 11.27 mm (0.4437 in)
If the inside diameter is greater than the maximum,
replace the OD planetary gear.
25 2RY 0 003 1
Reassembly
1. Install the thrust washer to the OD planetary gear,
facing the grooved side upward.
25 2RY 0 003 2
2. Install the one-way clutch into the outer race, with
the flanged side of the one-way clutch facing
upward.
25 2RY 0 0033
3. Install OD one-way clutch with outer race to
overdrive planetary gear.
25 2RY 0 0026