Page 4225 of 4264
UNIT REPAIR (JR405E) 7A4-51
248L300007
4.2 mm (0.165 in)
4.4 mm (0.173 in)
4.6 mm (0.181 in)
4.8 mm (0.189 in)
37C&L-SUB40
12.Bearing race
13.Rear internal gear
14.Bearing Install the bearing race and the bearing to the rear internal
gear.
NOTE:
Apply Vaseline to the fitting surfaces of the rear internal
gear to prevent the bearing race and the bearing from
falling during the installation process.
38C&L-SUB43
39C&L-SUB60
Install the rear internal gear to the low clutch drum.
Page 4226 of 4264
7A4-52 UNIT REPAIR (JR405E)
40C&L-SUB46
15.Bearing race
16.Rear carrier
17.Bearing Install the bearing race and the bearing to the rear carrier.
NOTE:
Apply Vaseline to the fitting surfaces of the rear carrier to
prevent the bearing race and the bearing from falling
during the installation process.
41C&L-SUB49
42C&L-SUB61
Install the rear carrier to the low clutch drum.
43C&L-SUB07
18.Rear sun gear
Install the rear sun gear to the low clutch drum.
44C&L-SUB52
19.Bearing (with bearing race)
20.Front carrier Install the bearing (with bearing race) to the front carrier.
NOTE:
Apply Vaseline to the fitting surfaces of the front carrier to
prevent the bearing from falling during the installation
process.
Page 4227 of 4264
UNIT REPAIR (JR405E) 7A4-53
45C&L-SUB04
21.Snap ring
Install the front carrier to the low clutch drum.
Install the snap ring to the low clutch drum.
Page 4228 of 4264
7A4-54 UNIT REPAIR (JR405E)
TRANSMISSION CASE
02CASE-BK06
Legend
1. Transmission case
2. Spring pin (slender)
3. Spring pin (fat)
4. Manual plate
5. Detent spring
6. Parking rod
7. Manual shaft
8. Oil seal
9. Inhibitor switch
Page 4229 of 4264
UNIT REPAIR (JR405E) 7A4-55
01L&R-CS05
Legend
1. Seal ring
2. Low one-way clutch inner race
3. Return spring
4. Low and reverse brake piston
5. Seal ring
6. Lip seal
7. Transmission case
8. Snap ring
9. Retaining plate
10. Driven plate
11. Drive plate
12. Dish plate
04CASE-AY52
Disassembly steps
1. Harness assembly
Remove the fixing bolt and the harness assembly.
Page 4230 of 4264
7A4-56 UNIT REPAIR (JR405E)
05CASE-AY30
2. Parking rod
Use a pin punch to force out the parking rod spring pin.
06CASE-AY37
Rotate the manual plate as you pull the parking rod free.
08CASE-AY45
3. Detent spring
Remove the fixing bolt and the detent spring.
09CASE-AY28
4. Manual shaft and manual plate
Remove the manual shaft spring pin.
10CASE-AY21
Remove the manual shaft together with the manual
plate.
Page 4231 of 4264

UNIT REPAIR (JR405E) 7A4-57
11CASE-AY01
5. Oil seal
Using a screwdriver, remove the oil seal from the
transmission case.
Inspection
2 – 4 brake drive plate
Measure the 2-4 brake drive plate facing thickness at 3
points and calculate the average value.
If the average value is less than the specified limit, the 2-4
brake drive plate must be replaced.
2 – 4 brake drive plate facing thickness:
Standard = 2.0 mm (0.079 in)
Limit = 1.8 mm (0.071 in)
Low and reverse brake drive plate
Measure the low and reverse brake drive plate facing
thickness at 3 points and calculate the average value.
If the average value is less than the specified limit, the lo
w
and reverse drive plate must be replaced.
Low and reverse brake drive plate facing thickness:
Standard = 2.0 mm (0.079 in)
Limit = 1.8 mm (0.071 in)
2 – 4 brake return spring
Check the number of effective 2-4 brake return spring
coils.
Effective return spring coils (Standard): 10.2
Measure the 2-4 brake return spring outside diameter,
free length, and linear diameter.
If any of the measured values exceed the specified limit,
the 2-4 brake return spring must be replaced.
2 – 4 brake return spring measurements (Standard):
Outside diameter = 6.9 mm (0.272 in)
Free length = 22.5 mm (0.886 in)
Linear diameter = 1.1 mm (0.043 in)
Low and reverse brake return spring
Check the number of effective low and reverse brake
return spring coils.
Effective return spring coils (standard): 4.8
Measure the low and reverse brake return spring outside
diameter, free length, and linear diameter.
If any of the measured values exceed the specified limit,
the low and reverse return spring must be replaced.
Low and reverse brake return spring measurements
(Standard):
Outside diameter = 11.2 mm (0.441 in)
Page 4232 of 4264
7A4-58 UNIT REPAIR (JR405E)
Free length = 22.3 mm (0.878 in)
Linear diameter = 1.1 mm (0.043 in)
12CASE-AY06
Reassembly steps
1. Oil seal, manual shaft, and manual plate
Use the oil seal installer to force the manual plate oil
seal into place.
Oil seal installer: 5-8840-2758-0
14CASE-AY21
Install the manual shaft together with the manual plate.
15CASE-AY26
Drive the spring pin into the transmission case.
16CASE-AY37
2. Parking rod
Rotate the manual plate while installing the parking rod.