Page 3833 of 4264
UNIT REPAIR (AW30–40LE) 7A4–25
Reassembly
1. Coat the assembled bearing and race with
petroleum jelly and install it onto the transmission
case.
A ssembled bearing and race (Reference)
24 7RY 0 000 8
2. Install the rear planetary gear, second brake drum
and output shaft.
Align the teeth of the second brake drum,
flanges, discs and plates as shown in the figure.
24 7RY 0 000 9
Align the splines of the transmission case and the
assembled rear planetary gear, second brake
drum and output shaft, indicated by A in the
figure.
24 7RY 0 0010
3. Using snap ring pliers, install the snap ring.
24 6RY 0 0003
Bearing and race Diameter
Inside 39.38 mm (1.550 in)
Outside 58.15 mm (2.289 in)
Page 3834 of 4264
7A4–26 UNIT REPAIR (AW30–40LE)
4. Check pack clearance of first and reverse brake.
Using a thickness gauge, measure the clearance
between the plate and second brake drum as shown
in the figure.
Clearance: 0.60 – 1.12 mm (0.0236 – 0.0440 in)
If the values are nonstandard, check for an improper
installation.
24 8RY 0 001 6
5. Install second brake piston sleeve.
24 6RY 0 000 4
6. Install one-way clutch in the transmission case.
24 7RY 0 0011
7. Install discs and plates (B–2).
Instal the 2.5 mm (0.098 in) thick plate with the
rounded edge side of the plate facing the disc.
Alternately install five discs and six plates (Disc first)
24 6RY 0 0005
Page 3835 of 4264
UNIT REPAIR (AW30–40LE) 7A4–27
8. Install the snap ring.
24 8RY 0 001 4
9. While turning the sun gear input drum clockwise,
install it into the one-way clutch
NOTE: Confirm the thrust washer is installed correctly.
24 8RY 0 002 0
10. Install the front planetary gear and bearing to the
sun gear.
NOTE: Confirm the bearing and race is installed
correctly.
Bearing and race diameter (Reference)
24 7RY 0 0012With wooden blocks under the output shaft, stand
the transmission on the output shaft.
24 7RY 0 0013
Inside Outside
Bearing 35.6 mm (1.40 in) 47.7 mm (1.88 in)
Race 33.7 mm (1.33 in) 47.6 mm (1.87 in)
Page 3836 of 4264
7A4–28 UNIT REPAIR (AW30–40LE)
11. Using snap ring pliers, install the snap ring.
24 8RY 0 0011
12. Coat the bearing race with petroleum jelly and install
it onto the front planetary gear.
Bearing race diameter (Reference)
24 7RY 0 001 4
13. Insert the second coast brake band to the
transmission case.
24 8RY 0 0010
14. Install the E-ring and pin.
Install the pin through the brake band.
24 8RY 0 0021
Bearing race Diameter
Inside 34.3 mm (1.350 in)
Outside 47.8 mm (1.882 in)
Page 3837 of 4264
UNIT REPAIR (AW30–40LE) 7A4–29
Install the E-ring to the pin.
24 8RY 0 002 2
15. Coat the bearing and race with petroleum jelly and
install them onto the forward clutch.
Bearing and race diameter (Reference)
24 8RY 0 002 3
16. Coat the race with petroleum jelly and install it onto
the front planetary ring gear.
Race diameter (Reference)
24 7RY 0 0015Align the flukes of the discs in the forward clutch.
24 7RY 0 0016
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)
Inside Outside
Race 26.8 mm (1.055 in) 47.0 mm (1.850 in)
Page 3838 of 4264
7A4–30 UNIT REPAIR (AW30–40LE)
17. Align the spline of the front planetary gear with the
flukes of the discs and install the front planetary
gear to the forward clutch.
24 7RY 0 001 7
18. Coat the bearing and race with petroleum jelly and
install them onto the ring gear.
Bearing and race diameter (Reference)
24 7RY 0 001 9
19. Install the assembled direct clutch, forward clutch
and front planetary ring gear into the transmission
case.
24 7RY 0 0018
Using vernier calipers, measure the distance
between the sun gear input drum and direct
clutch drum as shown in the figure.
Height: 2.5– 4.5 mm (0.098 – 0.177 in)
If the values are nonstandard, check for an
improper installation.
24 8RY 0 0024
Inside Outside
Bearing 35.15 mm (1.384 in) 53.65 mm (2.112 in)
Race 35.15 mm (1.384 in) 53.65 mm (2.112 in)
Page 3839 of 4264
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)
24 8RY 0 002 5
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
Page 3840 of 4264
7A4–32 UNIT REPAIR (AW30–40LE)
If the values are nonstandard, check for an improper
installation.
24 8RY 0 000 4
23. Coat the race with petroleum jelly and install it onto
the overdrive support assembly.
Race diameter (Reference)
25 2RY 0 000 7
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.
25 2RY 0 0005
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)