A340F AUTOMATIC TRANSMISSION > SERVICE DATA



AUTOMATIC TRANSMISSION ASSEMBLY 
Line pressure (Wheel locked)
Engine Idling
D position
385 to 445 kPa (3.9 to 4.5 kgf*cm2, 50 to 64 psi)
R position
596 to 696 kPa (6.1 to 7.1 kgf*cm2, 87 to 101 psi)
Line pressure (Wheel locked)
AT stall (Throttle valve fully opened)
D position
1,197 to 1,337 kPa (12.2 to 13.6 kgf*cm2, 174 to 193 psi)
Engine stall revolution
D positions
2,350 +- 150 rpm
Time lag
N → D position
N → R position
Less than 1.2 seconds
Less than 1.5 seconds
Engine idle speed
(A/C OFF)
N position
700 +- 50 rpm
Drive plate runout
Maximum.
0.20 mm (0.0079 in.)
Torque converter runout
Maximum.
0.30 mm (0.0118 in.)
Shift point
D position
(Throttle valve fully opened)
1 → 2
63 to 72 km/h (39 to 45 mph)
2 → 3
115 to 129 km/h (71 to 80 mph)
3 → O/D
170 to 187 km/h (105 to 116 mph)
O/D → 3
162 to 178 km/h (100 to 110 mph)
3 → 2
104 to 118 km/h (64 to 73 mph)
2 → 1
44 to 50 km/h (27 to 31 mph)
D position
(Throttle valve fully closed)
3 → O/D
33 to 41 km/h (20 to 25 mph)
O/D → 3
30 to 37 km/h (19 to 23 mph)
2 position
(Throttle valve fully opened)
1 → 2
63 to 72 km/h (39 to 45 mph)
3 → 2
119 to 134 km/h (74 to 83 mph)
2 → 1
44 to 50 km/h (27 to 31 mph)
L position
(Throttle valve fully opened)
2 → 1
57 to 66 km/h (35 to 41 mph)
Lock-up point
D position
(Throttle valve opening 5 %
Lock-up ON
73 to 82 km/h (45 to 51 mph)
Lock-up OFF
66 to 75 km/h (41 to 47 mph)

OIL PUMP 
Body clearance
Standard: 0.07 to 0.15 mm (0.0028 to 0.0059 in.)
Maximum: 0.2 mm (0.0079 in.)
Tip clearance
Standard: 0.04 to 0.248 mm (0.0002 to 0.0098 in.)
Maximum: 0.3 mm (0.012 in.)
Side clearance
Standard: 0.02 to 0.05 mm (0.0008 to 0.0020in.)
Maximum: 0.1 mm (0.004 in.)
Oil pump body bushing inside diameter
Standard: 38.138 mm (1.5015 in.)
Drive and driven gear thickness
Mark M: 11.690 to 11.699 mm (0.4602 to 0.4606 in.)
Mark N: 11.700 to 11.709 mm (0.4606 to 0.4610 in.)
Mark P: 11.710 to 11.720 mm (0.4610 to 0.4614 in.)
Mark R: 11.721 to 11.730 mm (0.4615 to 0.4618 in.)
Mark S: 11.731 to 11.740 mm (0.4618 to 0.4622 in.)
Pump body bush inside inside diameter
Maximum: 38.19 mm (1.5035 in.)
Stator shaft bush inside inside diameter
(Front side) Maximum: 21.58 mm (0.8496 in.)
(Rear side) Maximum: 27.08 mm (1.0661 in.)

2ND COAST BRAKE 
Piston rod stroke
Standard: 1.5 to 3.0 mm (0.059 to 0.118 in.)
Piston rod length
Standard: 78.40 mm (3.087 in.)
Standard: 79.90 mm (3.146 in.)

OVERDRIVE BRAKE 
Piston return spring free length
Standard: 17.03 mm (0.671 in.)
Piston stroke
Standard: 1.75 to 2.05 mm (0.0689 to 0.0807 in.)
Piston stroke
Standard: 1.40 to 1.70 mm (0.0551 to 0.0669 in.)
Flange thickness
No. 77: 3.3 mm (0.130 in.)
No. 78: 3.5 mm (0.138 in.)
No. 79: 3.6 mm (0.142 in.)
No. 80: 3.7 mm (0.146 in.)
No. 81: 3.8 mm (0.150 in.)
No. 82: 3.9 mm (0.154 in.)
No. 83: 4.0 mm (0.157 in.)

DIRECT CLUTCH 
Pack clearance
Standard: 0.40 to 0.70 mm (0.016 to 0.028 in.)
Piston stroke
Standard: 1.37 to 1.60 mm (0.0539 to 0.0630 in.)
Clutch piston return spring free length
Standard: 21.32 mm (0.839 in.)
Direct Clutch bush inside diameter
Maximum: 53.97 mm (2.1248 in.)
Flange thickness
No. 53: 3.3 mm (0.130 in.)
No. 54: 3.4 mm (0.134 in.)
No. 55: 3.5 mm (0.138 in.)
No. 56: 3.6 mm (0.142 in.)
No. 57: 3.7 mm (0.146 in.)
No. 58: 3.8 mm (0.151 in.)
No. 39: 3.9 mm (0.154 in.)
No. 40: 4.0 mm (0.157 in.)
No. 41: 4.1 mm (0.161 in.)
No. 42: 4.2 mm (0.165 in.)

OVERDRIVE DIRECT CLUTCH 
Piston stroke
Standard: 1.85 to 2.15 mm (0.0728 to 0.0846 in.)
Clutch return spring free length
Standard: 15.8 mm (0.622 in.)
Clutch drum bush inside diameter
Maximum: 27.11 mm (1.0673 in.)
Overdrive planetary gear bush inside diameter
Maximum: 11.27 mm (0.4437 in.)
Planetary pinion gear thrust
Standard: 0.2 to 0.6 mm (0.0079 to 0.0236 in.)
Maximum: 0.65 mm (0.0256 in.)
Flange thickness
No. 01: 3.1 mm (0.122 in.)
No. 02: 3.2 mm (0.126 in.)
No. 03: 3.3 mm (0.130 in.)
No. 04: 3.4 mm (0.134 in.)
No. 05: 3.5 mm (0.138 in.)
No. 06: 3.6 mm (0.142 in.)
No. 07: 3.7 mm (0.146 in.)
No. 08: 3.8 mm (0.151 in.)

FORWARD CLUTCH 
Piston stroke
Standard: 0.60 to 1.00 mm (0.024 to 0.039 in.)
Forward clutch drum bush inside diameter
Maximum: 24.08 mm (0.948 in.)
Flange thickness
No. 90: 3.0 mm (0.118 in.)
No. 91: 3.2 mm (0.126 in.)
No. 92: 3.4 mm (0.134 in.)
No. 93: 3.6 mm (0.142 in.)
No. 94: 3.8 mm (0.150 in.)
No. 95: 4.0 mm (0.157 in.)
No. 96: 4.2 mm (0.165 in.)
No. 97: 4.4 mm (0.173 in.)

SUN GEAR AND ONE-WAY CLUTCH 
planetary sun gear bush inside diameter
Maximum: 27.08 mm (1.0661 in.)

SECOND BRAKE 
Pack clearance
Standard: 0.62 to 1.98 mm (0.0244 to 0.0780 in.)
Piston return spring free length
Standard: 16.05 mm (0.6319 in.)

REAR PLANETARY GEAR 
Planetary pinion gear thrust clearance
Standard: 0.20 to 0.60 mm (0.0079 to 0.0236 in.)
Maximum: 0.65 mm (0.0256 in.)

1ST AND REVERSE BRAKE 
Piston return spring free length
Standard: 12.9 mm (0.508 in.)
Pack clearance
Standard: 0.70 to 1.22 mm (0.0276 to 0.048 in.)
Flange thickness
No. 55: 4.0 mm (0.157 in.)
No. 54: 4.2 mm (0.165 in.)
No. 53: 4.4 mm (0.173 in.)
No. 52: 4.6 mm (0.181 in.)
No. 51: 4.8 mm (0.189 in.)
No. 50: 5.0 mm (0.197 in.)
No. 66: 5.2 mm (0.205 in.)
No. 67: 5.4 mm (0.213 in.)

FRONT PLANETARY GEAR 
inside diameter
Maximum: 24.65 mm (0.9705 in.)
Planetary pinion gear thrust clearance
Standard: 0.20 to 0.60 mm (0.0079 to 0.0236 in.)
Maximum: 0.65 mm (0.0256 in.)

TRANSMISSION CASE 
Transmission case bush
Maximum: 38.19 mm (1.5035 in.)

OUTPUT SHAFT 
Output shaft thrust play
End play: 0.30 to 1.04 mm (0.0118 to 0.0409 in.)

ACCUMULATOR 
Spring
Free length/Outer diameter
Color
B2
70.50 mm (2.776 in.) / 19.90 mm (0.784 in.)
Light Gray
B2
70.50 mm (2.776 in.) / 19.70 mm (0.776 in.)
Red
C2
Inner: 42.10 mm (1.657 in.) / 14.70 mm (0.579 in.)
Pink
Outer: 68.53 mm (2.698 in.) / 20.20 mm (0.795 in.)
Blue
B0
62.00 mm (2.441 in.) / 16.00 mm (0.630 in.)
Green
B0
63.60 mm (2.504 in.) / 16.00 mm (0.630 in.)
Red
C0
Inner: 51.5 mm (2.028 in.) / 14.02 mm (0.552 in.)
Red
Outer: 79.90 mm (3.146 in.) / 20.09 mm (0.823 in.)
Light Blue