Mitsubishi Grandis. Manual - part 962

GENERAL SPECIFICATIONS

AUTOMATIC TRANSMISSION OVERHAUL

23B-4

GENERAL SPECIFICATIONS

M1233000200507

VALVE BODY SPRING IDENTIFICATION TABLE

Transmission 
model

Drive system

Number of 
speed

Damper clutch Low-reverse 

one-way clutch

Final gear ratio

F4A4B-2-N4Z

2WD

4 speed

Provided

Provided

4.406

Item

F4A4B

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

6

Number of second brake discs

3

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

SERVICE SPECIFICATIONS

AUTOMATIC TRANSMISSION OVERHAUL

23B-5

SERVICE SPECIFICATIONS

M1233000300355

SNAP RING, SPACER, THRUST WASHER, THRUST RACE 

AND PRESSURE PLATE FOR ADJUSTMENT

M1233023000344

SNAP RING (FOR ADJUSTMENT OF BRAKE REACTION PLATE END PLAY)

PRESSURE PLATE (FOR ADJUSTMENT OF LOW-REVERSE BRAKE END PLAY AND SECOND BRAKE 
END PLAY)

Item

Standard value

Brake reaction plate end play

0 

− 0.16 mm

Second brake end play

0.79 

− 1.25 mm

Low-reverse brake end play

1.65 

− 2.11 mm

Output shaft preload

0.01 

− 0.09 mm

Underdrive sun gear end play

0.25 

− 0.45 mm

Input shaft end play

0.70 

− 1.45 mm

Differential case preload

0.045 

− 0.105 mm

Underdrive clutch piston end play

1.6 

− 1.8 mm

Overdrive clutch return spring retainer end play

0 

− 0.09 mm

Overdrive clutch end play

1.6 

− 1.8 mm

Reverse clutch end play

1.5 

− 1.7 mm

Backlash between differential gear and pinion

0.025 

− 0.150 mm

Thickness mm

Identification symbol

2.2

Blue

2.3

Brown

2.4

None

2.5

Blue

Thickness mm

Identification symbol

1.6

L

1.8

1

2.0

0

2.2

2

2.4

4

2.6

6

2.8

8

3.0

D

SNAP RING, SPACER, THRUST WASHER, THRUST RACE AND PRESSURE PLATE FOR 

AUTOMATIC TRANSMISSION OVERHAUL

23B-6

SPACER (FOR ADJUSTMENT OF OUTPUT SHAFT PRELOAD)

THRUST RACE (FOR ADJUSTMENT OF UNDERDRIVE SUN GEAR END PLAY)

Thickness mm

Identification symbol

1.88

88

1.92

92

1.96

96

2.00

00

2.04

04

2.08

08

2.12

12

2.16

16

2.20

20

2.24

24

2.28

28

2.32

32

2.36

36

2.40

40

2.44

44

2.48

48

2.52

52

2.56

56

2.60

60

2.64

64

2.68

68

2.72

72

2.76

76

Thickness mm

Identification symbol

1.6

−

1.7

−

1.8

−

1.9

−

2.0

−

2.1

−

2.2

−

2.3

−

2.4

−

2.5

−

2.6

−

SNAP RING, SPACER, THRUST WASHER, THRUST RACE AND PRESSURE PLATE FOR ADJUSTMENT

AUTOMATIC TRANSMISSION OVERHAUL

23B-7

THRUST WASHER (FOR ADJUSTMENT OF INPUT SHAFT END PLAY)

SPACER (FOR ADJUSTMENT OF DIFFERENTIAL CASE PRELOAD)

SNAP RING (FOR ADJUSTMENT OF UNDERDRIVE CLUTCH PISTON END PLAY AND OVERDRIVE 
CLUTCH END PLAY)

Thickness mm

Identification symbol

1.8

18

2.0

20

2.2

22

2.4

24

2.6

26

2.8

28

Thickness mm

Identification symbol

0.71

71

0.74

74

0.77

77

0.80

80

0.83

83

0.86

86

0.89

89

0.92

92

0.95

95

0.98

98

1.01

01

1.04

04

1.07

07

1.10

J

1.13

D

1.16

K

1.19

L

1.22

G

1.25

M

1.28

N

1.31

E

1.34

O

1.37

P

Thickness mm

Identification symbol

1.6

None

1.7

Blue

1.8

Brown

1.9

None

2.0

Blue