Toyota Automatic Transmission A340 Series. Repair Manual — part 13
AT8201
AT8434
3.
TURN OVER ASSEMBLY AND REMOVE TWENTY−
FIVE BOLTS
4.
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
8
4 RUNNER
9
CRESSIDA
8
SUPRA
(7M−GE)
8
SUPRA
(7M−GTE)
7
AT5885
Valve Stopper
Throttle Valve
Throttle Valve Pin
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
1.
RETAINER, STOPPER AND PIN
2.
CHECK BALL
3.
STRAINER
Pin
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
Pin
Plug
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)
18.6 (0.732)
18.6 (0.732)
12.5
12.5
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
Pin
mm (in.)
LOCATION OF RETAINERS, CLIP, CHECK BALLS, STRAINERS, SPRINGS AND
VALVES
1.
RETAINER AND CLIP
2.
CHECK BALL
3.
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)
1.
POSITION NEW NO. 1 GASKET ON UPPER VALVE
BODY
Align a new No. 1 gasket at each bolt hole.
2.
POSITION VALVE BODY PLATE ON NO. 1 GASKET
Align the plate at each bolt hole.
3.
POSITION NEW NO. 2 GASKET ON PLATE
Align a new No. 2 gasket at each bolt hole.
4.
PLACE UPPER VALVE BODY WITH PLATE AND
GASKETS ON TOP OF LOWER VALVE BODY
Align each bolt hole and gasket in the valve body.
5.
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)
6.
INSTALL MANUAL VALVE
7.
INSTALL DETENT SPRING
Torque: 100 kg−cm (7 ft−lb, 10 N−m)
8.
MAKE SURE MANUAL VALVE MOVES SMOOTHLY
AT−100
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AUTOMATIC TRANSMISSION
Component Parts (Valve Body)
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