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

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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)