GENERAL INFORMATION



AUTOMATIC TRANSMISSION MODELS


Transmission model
Engine model
Vehicle model
R4A5A-J-LBZ
4D56
KA4T

SECTIONAL VIEW <TRANSMISSION>





HYDRAULIC CIRCUIT



1.
Reverse clutch
2.
Low/reverse brake
3.
Second brake
4.
Underdrive clutch
5.
Overdrive clutch
6.
Damper clutch
7.
Fail-safe valve A
8.
Fail-safe valve B
9.
Damper clutch control valve
10.
Switching valve
11.
Cooler
12.
Low-reverse brake pressure control valve
13.
Second brake pressure control valve
14.
Underdrive clutch pressure control valve
15.
Overdrive clutch pressure control valve
16.
Damper clutch control solenoid valve
17.
Low-reverse brake solenoid valve
18.
Second brake solenoid valve
19.
Underdrive clutch solenoid valve
20.
Overdrive clutch solenoid valve
21.
Torque converter pressure control valve
22.
Regulator valve
23.
Manual valve
24.
Oil filter
25.
Oil pan
26.
Oil pump
27.
Oil strainer