Toyota Automatic Transmission A340 Series. Repair Manual — part 28
Spring
Free length
mm (in.)
Coil outer
diameter
mm (in.)
Total No. of coils
Color
Accumulator control valve
29.3 (1.154)
8.2 (0.323)
11.8
White
Low−high relay valve
31.7 (1.248)
8.5 (0.335)
11.2
Light Blue
Low shift valve
29.2 (1.150)
8.2 (0.323)
13.0
Yellow
E8399
Spring
Accumulator
Control Valve
Spring
Spring
Valve
Plug
High Relay
Low Shift Valve
Low−
Plunger
Retainer
Inhibitor Valve
Plug
Plug
Retainer
Retainer
(Center Valve Body)
COMPONENTS
SPECIFICATIONS OF VALVE BODY SPRINGS
HINT: During reassembly, please refer to the spring specifications above to help differentiate the different
springs.
−
AUTOMATIC TRANSMISSION (A340H)
Component Parts (Transfer Valve Body)
AT−213
AT7937
9.5
(0.374)
9.5
(0.374)
3.2
(0.126)
Low shift valve
Low−high relay
valve
8.5
(0.335)
5.0
(0.197)
3.2
(0.126)
Accumulator
control valve
21.2
(0.835)
3.2
(0.126)
5.0
(0.197)
Retainer
Width
Thickness
Height
mm (in.)
AT4924
SECTIONAL VIEW OF VALVE BODY
LOCATION OF RETAINERS
AT−214
−
AUTOMATIC TRANSMISSION (A340H)
Component Parts (Transfer Valve Body)
Spring
Free length
mm (in.)
Coil outer diameter
mm (in.)
Total No. of coils
Color
Low−high shift timing valve
33.1 (1.303)
8.7 (0.343)
15.0
Red
Low−high orifice control valve
29.7 (1.169)
9.0 (0.354)
12.3
Green
AT1488
Plug
Plug
Spring
Retainer
Low−High Shift Timing
Valve
Retainer
Spring
Low−High Orifice Control Valve
(Lower Valve Body)
COMPONENTS
SPECIFICATIONS OF VALVE BODY SPRINGS
HINT: During reassembly, please refer to the spring specifications above to help differentiate the different
springs.
−
AUTOMATIC TRANSMISSION (A340H)
Component Parts (Transfer Valve Body)
AT−215
AT7936
5.0
(0.197)
3.2
(0.126)
Low−high orifice
control valve
8.5
(0.335)
8.5
(0.335)
3.2
(0.126)
Low−high shift
timing valve
5.0
(0.197)
Retainer
Height
Width
Thickness
mm (in.)
AT4925
SECTIONAL VIEW OF VALVE BODY
LOCATION OF RETAINERS
AT−216
−
AUTOMATIC TRANSMISSION (A340H)
Component Parts (Transfer Valve Body)
AT1500
E7165R
E7164R
AT8388
AT8387
(Assembly of Transfer Valve Body)
(See page AT−209)
1.
POSITION NEW NO. 2 GASKET ON UPPER VALVE BODY
Align a new No. 2 gasket at each bolt hole.
2.
POSITION VALVE BODY PLATE ON NO. 2 GASKET
Align the plate at each bolt hole.
3.
POSITION NEW NO. 1 GASKET ON PLATE
Align a new No. 1 gasket at each bolt hole.
4.
PLACE CENTER VALVE BODY ON TOP OF UPPER
VALVE BODY
5.
POSITION NEW NO. 2 GASKET ON CENTER VALVE
BODY
Align a new No. 2 gasket at each bolt hole.
6.
POSITION VALVE BODY PLATE ON NO. 2 GASKET
Align the plate at each bolt hole.
7.
POSITION NEW NO. 1 GASKET ON PLATE
Align a new No. 1 gasket at each bolt hole.
−
AUTOMATIC TRANSMISSION (A340H)
Component Parts (Transfer Valve Body)
AT−217
AT7906
mm (in.)
AT1631
mm (in.)
AT1479
AT1478
AT1502
8.
PLACE LOWER VALVE BODY ON TOP OF CENTER
VALVE BODY
9.
INSTALL AND FINGER TIGHTEN TEN BOLTS IN
LOWER AND CENTER VALVE BODIES TO SECURE
UPPER VALVE BODY
HINT: Each bolt length (mm, in.) is indicated in the fig-
ure.
10. TURN ASSEMBLY OVER, CHECK GASKET ALIGN-
MENT AND FINGER TIGHTEN EIGHT BOLTS IN UP-
PER VALVE BODY
HINT: Each bolt length (mm, in.) is indicated in the fig-
ure.
11. TIGHTEN BOLTS ON BOTH SIDES
Torque: 70 kg−cm (61 in.−lb, 6.9 N−m)
12. INSTALL DETENT SPRING
Torque: 70 kg−cm (61 in.−lb, 6.9 N−m)
AT−218
−
AUTOMATIC TRANSMISSION (A340H)
Component Parts (Transfer Valve Body)
AT4922
AT1477
13. INSERT MANUAL VALVE
HINT: Make sure the manual valve moves smoothly.
14. INSTALL NO. 4 SOLENOID
(a)
Install a new O−ring to the solenoid.
(b)
Install the solenoid and torque the bolt.
Torque: 100 kg−cm (7 ft−lb, 10 N−m)
15. (w/ A.D.D.)
INSTALL TRANSFER PRESSURE SWITCH
Torque: 70 kg−cm (61 in.−lb, 6.9 N−m)
−
AUTOMATIC TRANSMISSION (A340H)
Component Parts (Transfer Valve Body)
AT−219
AT7976
AT1466
AT4578
♦ Non−reusable part
E−Ring
♦ Oil Seal
Parking Lock Pawl
Manual Valve
Lever Shaft
Manual Valve
Lever
♦ Spacer
♦ Apply Gasket
Pin
♦ Apply Gasket
Oil Seal Ring
Transfer Case
Front Support
Spring
Shaft
Transfer Case and Front Support
COMPONENTS
DISASSEMBLY OF TRANSFER CASE AND
FRONT SUPPORT
1.
REMOVE APPLY GASKETS
(a)
Remove the two apply gaskets from the transfer
case front side.
(b)
Remove the apply gasket from the transfer case
inner side.
AT−220
−
AUTOMATIC TRANSMISSION (A340H)
Component Parts (Transfer Case and Front Support)
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