Toyota Automatic Transmission A340 Series. Repair Manual — part 16
AT8304
Front
AT8394
AT3161
AT4441
Inside
Outside
Bearing and
race
28.9 (1.138)
50.2 (1.976)
Inside
Outside
Race
28.1 (1.106)
47.3 (1.862)
AT8313
Front
mm (in.)
(h)
Coat the assembled bearing and race with petro-
leum jelly and install it onto the O/D direct clutch.
HINT: Assembled bearing and race diameter
25. INSTALL OIL PUMP INTO CASE
(a)
Coat the race with petroleum jelly and install it
onto the oil pump.
HINT: Race diameter
mm (in.)
(b)
Coat a new O−ring with ATF and install it around the
pump body.
(c)
Place the oil pump through the input shaft, and
align the bolt holes of the pump body with the trans-
mission case.
(d)
Hold the input shaft, and lightly press the oil pump
body to slide the oil seal rings into the O/D direct
clutch drum.
NOTICE: Do not push on the oil pump strongly, or the oil
seal ring will stick to the direct clutch drum.
(e)
Install seven bolts.
Torque: 220 kg−cm (16 ft−lb, 22 N−m)
26. CHECK INPUT SHAFT ROTATION
Make sure the input shaft rotates smoothly.
27. INSTALL THROTTLE CABLE
(a)
Coat a new O−ring with ATF and install it to the cable.
(b)
Install the cable to the case.
−
AUTOMATIC TRANSMISSION (A340E)
Installation of Component Parts
AT−117
AT5010
SUPRA, CRESSIDA
AT5016
SUPRA, CRESSIDA
AT5012
Spring
Free length
Outer diameter
Color
(1) B
2
7M−GE
73.4 (2.890)
19.9 (0.783)
Red
7M−GTE
72.6 (2.858)
19.9 (0.783)
Light Gray
(2)
C
2
Inner
42.1 (1.657)
14.7 (0.579)
Pink
(3)
Outer
7M−GE
64.0 (2.520)
20.2 (0.795)
Green
7M−GTE 70.3 (2.768)
20.2 (0.795)
Pink
(4)
B
0
62.0 (2.441)
16.0 (0.630)
Green
(5)
C
0
Outer
74.6 (2.937)
20.9 (0.823)
Orange
(6)
Inner
46.0 (1.811)
14.0 (0.551)
Yellow
Spring
Free length
Outer diameter
Color
(1)
B
2
70.5 (2.776)
19.7 (0.776)
Green
(2)
C
2
Inner
42.1 (1.657)
14.7 (0.579)
Pink
(3)
Outer
70.3 (2.768)
20.2 (0.795)
Pink
(4)
B
0
62.0 (2.441)
16.0 (0.630)
Green
(5)
C
0
Outer
74.6 (2.937)
20.9 (0.823)
Orange
(6)
Inner
46.0 (1.811)
14.0 (0.551)
Yellow
AT8325
C
0
Accumulator
Piston Hole
29. INSTALL ACCUMULATOR SPRINGS AND PISTONS
(a)
Coat new O−rings with ATF and install them to the
pistons.
(b)
Install the three springs and four accumulator pis-
tons to the bore as shown in the figure.
HINT: The pistons are marked in relief with either C−0,
B−0, C−2 or B−2 to differentiate between them.
(c)
Install the two springs to the C
0
accumulator piston.
(SUPRA)
28. INDIVIDUAL PISTON OPERATION INSPECTION
Check for the sound of operation while applying com-
pressed air into the oil hole indicated in the figure.
(1)
O/D direct clutch
(2)
Direct clutch
(3)
Forward clutch
(4)
O/D brake
(5)
Second coast brake
(6)
Second brake
(7)
First and reverse brake
HINT: When inspecting the O/D direct clutch, check
with the C
0
accumulator piston hole closed.
If there is no noise, disassemble and check the installa-
tion condition of the parts.
S Spring
mm (in.)
mm (in.)
(CRESSIDA)
AT−118
−
AUTOMATIC TRANSMISSION (A340E)
Installation of Component Parts
D4992
Throttle Cable
Cam
AT8339
23 (0.91)
23 (0.91)
32
(1.26)
32
(1.26)
32 (1.26)
mm (in.)
23
(0.91)
AT5063
Spring
Free length
Outer diameter
Color
(1)
B
2
70.5 (2.776)
19.7 (0.776)
Yellow
(2)
C
2
68.5 (2.697)
20.2 (0.795)
Blue
(3)
B
0
66.0 (2.598)
16.1 (0.634)
Purple
(4)
C
0
Outer
74.6 (2.937)
20.3 (0.799)
Yellow
(5)
Inner
46.4 (1.811)
14.0 (0.551)
Yellow
AT5098
Spring
Check Ball Body
AT8393
Pin
Manual Valve
Lever
Manual Valve
(TRUCK, 4RUNNER)
mm (in.)
30. INSTALL CHECK BALL BODY AND SPRING
31. INSTALL VALVE BODY
(a)
Align the groove of the manual valve to pin of the
lever.
(b)
Connect the throttle cable to the cam.
(c)
Confirm the springs into the accumulator pistons
are installed correctly.
(d)
Install the seventeen bolts.
HINT: Each bolt length (mm, in.) is indicated in the figure.
Torque: 100 kg−cm (7 ft−lb, 10 N−m)
−
AUTOMATIC TRANSMISSION (A340E)
Installation of Component Parts
AT−119
AT1354
Yellow
Black
White
AT8329
AT1980
AT2630
Clamp
AT4440
32. INSTALL SOLENOID WIRING
(a)
Coat a new O−ring with ATF and install it to the
grommet.
(b)
Install the solenoid wiring to the case and install
the stopper plate.
(c)
Connect the connectors to No. 1, No. 2 and lock−up
solenoids.
33. INSTALL OIL TUBES
Using a plastic hammer, install the two tubes into posi-
tion shown in the figure.
NOTICE: Be careful not to bend or damage the tubes.
34. INSTALL OIL STRAINER AND GASKETS
(a)
Install two new gaskets to the oil strainer.
(b)
Install and torque three bolts.
Torque: 100 kg−cm (7 ft−lb, 10 N−m)
(c)
Clamp the solenoid wire.
AT−120
−
AUTOMATIC TRANSMISSION (A340E)
Installation of Component Parts
AT1362
Seal Breadth
2 − 3 mm (0.08 − 0.12 in.)
AT4472
C4151
AT8478
AT3162
35. INSTALL MAGNETS IN PAN
Install the four magnets in the indentations of the oil
pan as shown in the figure.
36. INSTALL OIL PAN
(a)
Remove any packing material and be careful not
to drop oil on the contacting surfaces of the trans-
mission case and oil pan.
(b)
Apply seal packing to the oil pan shown in the fig-
ure.
Seal packing:
Part No. 08826 − 00090, THREE
BOND 1281 or equivalent
(c)
Install and torque the nineteen bolts.
Torque: 75 kg−cm (65 in.−lb, 7.4 N−m)
37. INSTALL SENSOR ROTOR AND KEY
(a)
Using snap ring pliers, install the snap ring.
(b)
Install the key on the output shaft.
(c)
Align the groove of the sensor rotor with key,
install the sensor rotor.
−
AUTOMATIC TRANSMISSION (A340E)
Installation of Component Parts
AT−121
AT8217
AT4637
AT8216
AT7939
(TRUCK, 4 RUNNER)
AT8248
38. INSTALL SPEEDOMETER DRIVE GEAR AND BALL
(a)
Install the lock ball on the output shaft.
(b)
Align the groove of the drive gear with the ball,
install the drive gear.
(c)
Using snap ring pliers, install the snap ring.
39. INSTALL EXTENSION HOUSING AND NEW GASKET
(a)
Install the oil apply tube and a new gasket to the
extension housing.
(b)
Install the extension housing with a new gasket to
the case. Install and torque the six bolts.
HINT: The two lower bolts are shorter.
Torque: 370 kg−cm (27 ft−lb, 36 N−m)
40. INSTALL TRANSMISSION HOUSING
Install and torque the six bolts.
Torque:
10 mm bolt 345 kg−cm (25 ft−lb, 34 N−m)
12 mm bolt 580 kg−cm (42 ft−lb, 57 N−m)
AT−122
−
AUTOMATIC TRANSMISSION (A340E)
Installation of Component Parts
AT4473
AT5888
7°
AT6647
(SUPRA, CRESSIDA)
AT1981 C4141
AT1986
41. INSTALL SPEED SENSOR
(a)
Coat a new O−ring with ATF and install it to the
speed sensor.
(b)
Install the speed sensor. Install and torque the
bolt.
Torque: 160 kg−cm (12 ft−lb, 16 N−m)
(c)
Connect the connector.
42. INSTALL SPEEDOMETER DRIVEN GEAR
(a)
Coat a new O−ring with ATF and install it to the
sleeve.
(b)
Insert the driven gear into the sleeve.
(c)
Install the sleeve to the extension housing.
(d)
Install the lock plate with the bolt.
(e)
Torque the bolt.
Torque: 160 kg−cm (12 ft−lb, 16 N−m)
43. INSTALL UNIONS
(a)
Coat new two O−rings with ATF and install them
to each union.
(b)
Install the front union.
Torque: 300 kg−cm (22 ft−lb, 29 N−m)
(c)
Install the rear union as shown in the figure.
Torque: 300 kg−cm (22 ft−lb, 29 N−m)
−
AUTOMATIC TRANSMISSION (A340E)
Installation of Component Parts
AT−123
AT4624 AT4996
Neutral Position
Column Shift
Floor Shift
AT4369
Groove
Neutral
Basic Line
BR0027
0.8 − 1.5 mm
AT5836 AT4994
Column Shift
Floor Shift
AT4436
44. INSTALL NEUTRAL START SWITCH
(a)
Install the neutral start switch onto the manual
valve lever shaft and temporarily tighten the ad-
justing bolt.
(b)
Install the grommet and a new lock washer.
Install and torque the nut.
Torque: 70 kg−cm (61 in.−lb, 6.9 N−m)
(c)
Using the control shaft lever, fully turn the manual
valve lever shaft back and return two notches. It is
now in neutral.
(d)
Align the neutral basic line and the switch groove,
and tighten the adjusting bolt.
Torque: 130 kg−cm (9 ft−lb, 13 N−m)
(e)
Bend the tabs of the lock washer.
HINT: Bend at least two of the lock washer tabs.
45. INSTALL CONTROL SHAFT LEVER
Torque: 160 kg−cm (12 ft−lb, 16 N−m)
46. IF THROTTLE CABLE IS NEW, STAKE STOPPER ON
INNER CABLE
(SUPRA, TRUCK, 4 RUNNER)
HINT: New cable does not have a cable stopper staked.
(a)
Bend the cable so there is a radius of about 200 mm
(7.78 in.).
(b)
Pull the inner cable lightly until a slight resistance is
felt, and hold it.
(c)
Stake the stopper, 0.8 − 1.5 mm (0.031 − 0.059 in.)
from the end of outer cable.
AT−124
−
AUTOMATIC TRANSMISSION (A340E)
Installation of Component Parts
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