[23B] AUTOMATIC TRANSMISSION OVERHAUL <F4A4/W4A4> - - GENERAL SPECIFICATIONS | PRINT PAGE / INDEX / PRIOR / NEXT

GENERAL SPECIFICATIONS
Transmission model | Drive system | Number of speed | Damper clutch | Low-reverse one-way clutch | Final gear ratio
--- | --- | --- | --- | --- | ---
F4A42-1-JZB4 | 2WD | 4 speed | Provided | Provided | 4.041
W4A42-2-RZD | 4WD | 4 speed | Provided | Provided | 4.625
W4A4B-4-R2ZE | 4WD | 4 speed | Provided | Provided | 4.625
W4A4B-4-R3ZD | 4WD | 4 speed | Provided | Provided | 4.625
<2WD>
Item | F4A42
--- | ---
Torque converter | Type | 3-element, 1-stage, 2-phase
Transmission | Type | 4-speed forward, 1-speed reverse
Gear ratio | 1st | 2.842
2nd | 1.529
3rd | 1.000
4th | 0.712
Reverse | 2.480
Number of underdrive clutch discs | 4
Number of overdrive clutch discs | 4
Number of reverse clutch discs | 2
Number of low-reverse brake discs | 5
Number of second brake discs | 3
<4WD>
Item | W4A42 | W4A4B
--- | --- | ---
Torque converter | Type | 3-element, 1-stage, 2-phase
Transmission | Type | 4-speed forward, 1-speed reverse
Gear ratio | 1st | 2.842
2nd | 1.529 | 1.573
3rd | 1.000
4th | 0.712 | 0.698
Reverse | 2.480 | 2.214
Number of underdrive clutch discs | 4
Number of overdrive clutch discs | 4
Number of reverse clutch discs | 2
Number of low-reverse brake discs | 6
Number of second brake discs | 3
Transfer | Type | Constant mesh
Transfer gear ratio | 3.312
VALVE BODY SPRING IDENTIFICATION TABLE
Spring | Wire diameter mm | Coil diameter mm | Free length mm | Number of loops
--- | --- | --- | --- | ---
Regulator valve spring | 1.8 | 15.7 | 86.7 | 24
Underdrive pressure control valve spring | 0.7 | 7.6 | 37.7 | 25
Overdrive pressure control valve spring | 0.7 | 7.6 | 37.7 | 25
Low-reverse pressure control valve spring | 0.7 | 7.6 | 37.7 | 25
Second pressure control valve spring | 0.7 | 7.6 | 37.7 | 25
Torque converter valve spring | 1.6 | 11.2 | 34.4 | 12.5
Damper clutch control valve spring | 0.7 | 5.9 | 28.1 | 19
Fail-safe valve A spring | 0.7 | 8.9 | 21.9 | 9.5
Damping valve spring | 1.0 | 7.7 | 35.8 | 17
Line relief valve spring | 1.0 | 7.0 | 17.3 | 10
Orifice check ball spring | 0.5 | 4.5 | 17.2 | 15

[23B] AUTOMATIC TRANSMISSION OVERHAUL <F4A4/W4A4> - - GENERAL SPECIFICATIONS | PRINT PAGE / INDEX / PRIOR / NEXT

©2004 Mitsubishi Motors Corporation