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Toyota Automatic Transmission A340 Series. Repair Manual - part 13

AT8201

AT8434

TURN OVER ASSEMBLY AND REMOVE TWENTY−

FIVE BOLTS

LIFT OFF UPPER VALVE BODY AND PLATE AS A

SINGLE UNIT
Hold the valve body plate to the upper valve body.

HINT: Be careful that the check balls and strainer do not

fall out.

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AUTOMATIC TRANSMISSION

Component Parts (Valve Body)

AT−93

No. of Check Balls

(Rubber Balls)

TRUCK

4 RUNNER

CRESSIDA

SUPRA

(7M−GE)

SUPRA

(7M−GTE)

AT5885

Valve Stopper

Throttle Valve

Throttle Valve Pin

Down−Shift

Plug

Throttle Valve Cam

Plug

Retainer

3−4 Shift

Valve

Retainer

Lock−Up Relay Valve

Plug

Plunger

Sleeve

Retainer

2nd Coast Modulator Valve

Retainer

The throttle pressure is changed

according to the number of the

adjusting rings.

When assembling the valve body,

install the same number of adjust-

ing rings as were removed. Some

of the valve bodies do not have

any adjusting rings.

Plug

Secondary Regulator

Valve

Retainer

Plug

Cut−Back Valve

Adjusting Ring

Retainer

Low Coast Modulator Valve

Plug

Retainer Plug

2−3 Shift Valve

Strainer

(Upper Valve Body)

COMPONENTS

Upper Valve Body

AT−94

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AUTOMATIC TRANSMISSION

Component Parts (Valve Body)

Spring

Free length

mm (in.)

Coil outer diameter

mm (in.)

Total No. of

coils

Color

Down−shift
Plug

(1.075)

27.3

8.7 (0.343)

12.5

Yellow

Throttle valve

(0.811)
(0.917)

20.6 or 23.3

9.2 (0.362)
9.2 (0.362)

9.5
9.5

Blue
White

3−4 shift valve

(1.213)

30.8

9.7 (0.382)

10.5

Purple

Second coast
modulator valve

CRESSIDA 24.6 (0.969)
7M−GTE 29.6 (1.165)
OTHERS 25.3 (0.996)

8.3 (0.327)
8.3 (0.327)
8.6 (0.339)

9.0
12.5
11.5

Blue
Red
Orange

Lock−up relay
valve

21.4

(0.843)

5.5 (0.217)

17.5

Light Gray

Secondary
regulator valve

(1.217)

30.9

11.2 (0.441)

10.5

Blue

Cut−back valve

(0.858)

21.8

6.0 (0.236)

13.5

Red

2−3 Shift valve

(1.213)

30.8

9.7 (0.382)

10.5

Blue

Low coast
modulator valve

SUPRA 27.8 (1.094)
CRESSIDA 26.4 (1.039)
OTHERS 30.4 (1.197)

8.3 (0.327)
8.3 (0.327)
8.3 (0.327)

10.5
10.5
10.5

Pink
Yellow
Light Green

AT4461

SPECIFICATIONS OF VALVE BODY SPRING

HINT: During reassembly please refer to the spring specifications above to help differentiate the different

springs.

SECTIONAL VIEW OF VALVE BODY

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AUTOMATIC TRANSMISSION

Component Parts (Valve Body)

AT−95

AT3243 AT4462

Retainer

Height

Width

Thickness

Low coast modulator

valve

14.5

(0.571)

5.0

(0.197)

3.2

(0.126)

2−3 shift valve

14.0

(0.551)

5.0

(0.197)

3.2

(0.126)

Cut−back valve

15.0

(0.591)

5.0

(0.197)

3.2

(0.126)

Secondary regulator

valve

14.0

(0.551)

5.0

(0.197)

3.2

(0.126)

Lock−up relay valve

21.2

(0.835)

5.0

(0.197)

3.2

(0.126)

3−4 shift valve

16.5

(0.650)

6.0

(0.236)

3.2

(0.126)

2nd coast modulator

valve

16.5

(0.650)

6.0

(0.236)

3.2

(0.126)

AT8332

Valve Stopper

mm (in.)

Check ball

Diameter mm (in.)

Rubber ball

6.35 (0.2500)

Rubber ball

5.54 (0.2181)

AT8500

(Ex. 7M−GTE and CRESSIDA)

LOCATION OF RETAINERS, PIN, STOPPER, CHECK BALLS AND STRAINER

RETAINER, STOPPER AND PIN

CHECK BALL

STRAINER

AT−96

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AUTOMATIC TRANSMISSION

Component Parts (Valve Body)

kg−cm (ft−lb, N−m)

♦ Non−reusable part

AT5886

: Specified torque

The line pressure changes

according to the part of

the plunger sleeve which

comes into contact with

the retainer.

When reassembling the

valve body, position the

retainer in the same

position.

Sleeve

Retainer

Plunger

Washer

Primary Regulator Valve

Lock−Up

Solenoid

No. 1 Solenoid

Pressure

Reducing Plug

Sleeve

Lower Valve Body

Retainer

Clip

Accumulator Control

Valve

Check Valve

w/ Steel Ball

Check Valve

1−2 Shift Valve

Plug

100 (7, 10)

No. 2 Solenoid

Strainer

Retainer

Relief Valve

Pressure

(Lower Valve Body)

COMPONENTS

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AUTOMATIC TRANSMISSION

Component Parts (Valve Body)

AT−97

AT5625

Spring

Free length

mm (in.)

Coil outer diameter

mm (in.)

Total No. of

coils

Color

Check valve

(0.796)

20.2

12.1 (0.476)

6.5

None

Pressure relief

valve

(0.441)

11.2

6.4 (0.252)

7.5

None

1−2 shift valve

(1.213)

30.8

9.7 (0.382)

10.5

Purple

Primary

regulator valve

TRUCK, 4RUNNER (3VZ−E)
SUPRA (7M−GTE)

62.3

(2.453)

TRUCK, 4RUNNER (22R−E)
CRESSIDA

66.7

(2.626)

OTHERS

66.7

(2.626)

18.6 (0.732)

12.5

None

Purple

None

Accumulator

control valve

(1.335)

CRESSIDA

36.1

OTHERS

33.9

(1.421)

8.8 (0.346)

8.9 (0.350)

12.0

14.0

Pink

White

SPECIFICATIONS OF VALVE BODY SPRINGS

HINT: During reassembly please refer to the spring specifications above to help differentiate the different

springs.

SECTIONAL VIEW OF VALVE BODY

AT−98

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AUTOMATIC TRANSMISSION

Component Parts (Valve Body)

AT3296

Spring

(See page

AT−242)

Throttle oil

strainer

10.3 (0.406)

19.5 (0.768)

Solenoid oil

strainer

12.4 (0.448)

10.3 (0.406)

Pressure Relief Valve

Strainer

Height

Diameter

Check Valve

D4908

mm (in.)

AT5887

(See page

AT−242)

Spring

Retainer

Height

Width

Thickness

1−2 shift valve

16.5

(0.650)

6.0

(0.236)

3.2

(0.126)

Accumulator control

valve

21.2

(0.835)

5.0

(0.197)

3.2

(0.126)

Primary regulator

valve

16.2

(0.638)

5.0

(0.197)

3.2

(0.126)

AT2346

6.35 (0.2500)

Steel ball

7M−GTE and CRESSIDA only

Rubber Ball

Rubber ball

5.54 (0.2181)

Check ball

Diameter mm (in.)

Rubber

Ball

7M−GTE

Only

Check Valve

w/ Steel Ball

AT5626

Clip

mm (in.)

LOCATION OF RETAINERS, CLIP, CHECK BALLS, STRAINERS, SPRINGS AND

VALVES

RETAINER AND CLIP

CHECK BALL

STRAINER, SPRING AND VALVE

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AUTOMATIC TRANSMISSION

Component Parts (Valve Body)

AT−99

AT5674

AT8201

AT8434

AT4460

Detent Spring

AT8831

(Assembly of Valve Body)

(See page AT−92)

POSITION NEW NO. 1 GASKET ON UPPER VALVE

BODY
Align a new No. 1 gasket at each bolt hole.

POSITION VALVE BODY PLATE ON NO. 1 GASKET
Align the plate at each bolt hole.

POSITION NEW NO. 2 GASKET ON PLATE
Align a new No. 2 gasket at each bolt hole.

PLACE UPPER VALVE BODY WITH PLATE AND

GASKETS ON TOP OF LOWER VALVE BODY
Align each bolt hole and gasket in the valve body.

INSTALL THE TWENTY−FIVE BOLTS TO UPPER

VALVE BODY
HINT: Each bolt length (mm, in.) is indicated in the fig-

ure.

Torque: 65 kg−cm (56 in.−lb, 6.4 N−m)

INSTALL MANUAL VALVE

INSTALL DETENT SPRING
Torque: 100 kg−cm (7 ft−lb, 10 N−m)

MAKE SURE MANUAL VALVE MOVES SMOOTHLY

AT−100

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AUTOMATIC TRANSMISSION

Component Parts (Valve Body)

Content .. 11 12 13 14 ..