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