GENERAL INFORMATION




SPECIFICATIONS


Item
Specification
Transmission model
R4A5A
V4A5A
Engine model
4D56
Torque converter
Type
3-element, 1-stage, 2-phase type
Lock-up
Provided
Stall torque ratio
1.62
Transmission type
4 forward speeds, 1 reverse speed, fully automatic
Transmission gear ratio
1st
2.842
2nd
1.495
3rd
1.000
4th
0.731
Reverse
2.720
Drive system
2WD
Easy select 4WD
Super select 4WD
Transfer type
-
2-speed, constant mesh
Transfer gear ratio
High
-
1.000
Low
-
1.900
Clutch
Multi-disk type × 3 sets
Brake
Multi-disk type × 2 sets
Manual control system
P-R-N-D-2-L + Overdrive (6 positions)
Shift pattern control
Electronic control
Hydraulic control during shifting
Electronic control (Each clutch hydraulically independently controlled)
Lock-up clutch control
Electronic control
Transmission fluid
Specified lubricants
DIA QUEEN ATF SP III
Quantity L
9.7
Transfer oil
Specified lubricants
-
Gear oil API classification GL-3 SAE 75W-85W
Quantity L
-
2.5

SECTIONAL VIEW



<R4A5A>

1.
Torque converter

2.
Oil pump

3.
Overdrive clutch

4.
Reverse clutch

5.
Overdrive planetary gear

6.
Second brake

7.
Output planetary gear

8.
Low-reverse brake

9.
One-way clutch

10.
Underdrive clutch

11.
Parking gear

12.
Output shaft

13.
Valve body

14.
Input shaft

<V4A5A - EASY SELECT 4WD>

1.
Torque converter

2.
Oil pump

3.
Overdrive clutch

4.
Reverse clutch

5.
Overdrive planetary gear

6.
Second brake

7.
Output planetary gear

8.
Low-reverse brake

9.
One-way clutch

10.
Underdrive clutch

11.
Parking gear

12.
Transfer input shaft

13.
High/low clutch hub

14.
Low speed gear

15.
2WD/4WD synchronizer

16.
Random chain

17.
Rear output shaft

18.
Front output shaft

19.
Transfer counter gear

20.
Output shaft

21.
Valve body

22.
Input shaft

<V4A5A - SUPER SELECT 4WD>

1.
Torque converter

2.
Oil pump

3.
Overdrive clutch

4.
Reverse clutch

5.
Overdrive planetary gear

6.
Second brake

7.
Output planetary gear

8.
Low-reverse brake

9.
One-way clutch

10.
Underdrive clutch

11.
Parking gear

12.
Transfer input shaft

13.
High/low clutch hub

14.
Low speed gear

15.
2WD/4WD synchronizer

16.
Random chain

17.
Centre differential

18.
VCU (Viscous coupling unit)

19.
Rear output shaft

20.
Front output shaft

21.
Transfer counter gear

22.
Output shaft

23.
Valve body

24.
Input shaft