Toyota Automatic Transmission A340 Series. Repair Manual — part 35

AT8501

TF0626

Transmission Side Transfer Side

Breather Hose

TF0633

TF0691

TF0655

REMOVAL OF TRANSFER

1.

REMOVE BREATHER HOSE
Disconnect the breather hose from transfer upper cover

and transmission control retainer.

2.

REMOVE ENGINE REAR MOUNTING

3.

REMOVE DYNAMIC DAMPER

4.

REMOVE PROPELLER SHAFT UPPER DUST COVER

AND TRANSFER FROM TRANSMISSION
(a)

Remove the dust cover bolt from the bracket.

(b)

Remove the transfer adaptor rear mounting bolts.

(c)

Pull the transfer straight up and remove it from

the transmission.

HINT: Take care not to damage the adaptor rear oil

seal with the transfer input gear spline.

TF−2

−

TRANSFER (A340F)

Removal of Transfer

♦ Non−reusable part

LPrecoated part

kg cm (ft−lb, N−m)

Speedometer Drive Gear

: Specified torque

Rear Companion Flange

Separater with Oil

Strainer

Oil Pump Body

185 (13, 18)

Driven Sprocket

Ball

Chain

Oil Pump

Drive Gear

1,200 (87, 118)

115 (8, 11)

380 (27, 37)

Snap Ring

Front Companion Flange

1,200 (87, 118)

115 (8, 11)

Extension Housing

Front Case

115 (8, 11)

Shaft

190 (14, 19)

115 (8, 11)

190 (14, 19)

Stopper

Spring

Ring Gear

Front Drive Shift

Fork

Snap Ring

Front Retainer

Snap Ring

Snap Ring

380 (27, 37)

Low Gear Spline Piece

Snap Ring

Transfer Indicator Switch

Breather Oil Deflector

Upper Cover

Breather Hose

Input Shaft Stopper

380 (27, 37)

Transfer L4 Position Switch

185 (13, 18)

Planetary Gear

Front Drive Fork Shaft

Rear Output Shaft

Assembly

Needle Roller Bearing

Race Input Shaft

Pin

Rear Case

Thrust Bearing

Slotted Spring

Pin

High and Low Fork

Speedometer Driven Gear

High and Low

Shift Fork

Slotted Spring Pin

Stopper

Thrust Bearing

Race

Shift Gear Head

COMPONENTS

TF0660

−

TRANSFER (A340F)

Components

TF−3

TF0447

TF0614

TF0450

TF0629

DISASSEMBLY OF TRANSFER

1.

REMOVE SPEEDOMETER DRIVEN GEAR

2.

REMOVE TRANSFER INDICATOR SWITCH

3.

REMOVE TRANSFER L4 POSITION SWITCH

4.

REMOVE SHIFT GEAR HEAD NO. 1 AND NO. 2
(a)

Using a pin punch and hammer, drive out the two

slotted spring pins.

(b)

Remove two shift gear heads.

5.

REMOVE FRONT RETAINER
Remove the seven bolts and the front retainer.

6.

REMOVE UPPER COVER AND OIL DEFLECTOR
Remove the four bolts and the upper cover and oil de-

flector.

7.

REMOVE FRONT COMPANION FLANGE
(a)

Using a hammer and chisel, loosen the staked

part of the nut.

TF−4

−

TRANSFER (A340F)

Disassembly of Transfer

TF0454

Ball

TF0455

TF0451

SST

TF0452

SST

TF0453

(b)

Using SST to hold the flange, remove the com-

panion flange lock nut.

SST

09330−00021

(c)

Using SST, remove the companion flange.

SST

09950−20017

8.

REMOVE REAR COMPANION FLANGE
Remove the rear companion flange in the same way as

the front companion flange.

9.

REMOVE EXTENSION HOUSING
(a)

Remove the five bolts.

(b)

Using a plastic hammer, tap the extension housing

and remove it.

10. REMOVE SPEEDOMETER DRIVE GEAR

(a)

Remove the speedometer drive gear.

(b)

Using a magnetic finger, remove the ball from the

rear output shaft.

11. SEPARATE FRONT CASE AND REAR CASE

(a)

Remove the twelve bolts.

−

TRANSFER (A340F)

Disassembly of Transfer

TF−5

TF0457

SST

TF0458

TF0619

TF0460

TF0456

(b)

Using a plastic hammer, tap the rear case and

separate the front case and rear case.

12. REMOVE STRAIGHT SCREW PLUGS, SPRING AND

LOCKING BALLS
(a)

Using SST, remove the two screws.

SST

09313−30021

(b)

Using a magnetic finger, remove the spring and

ball from the both holes.

13. REMOVE FRONT DRIVE FORK SHAFT, FORK AND

SPRING
(a)

Using a pin punch and hammer, drive out the two

slotted spring pins.

HINT: When the pin is removed from the front drive fork

shaft, the shaft will spring loose if the pin punch is re-

moved, so keep the pin punch inserted in the shaft

hole.

(b)

Hold the front drive fork shaft in place by hand,

when removing the pin punch.

TF−6

−

TRANSFER (A340F)

Disassembly of Transfer

TF0462

TF0616

TF0464

TF0465

TF0623

(c)

Remove the front drive fork shaft, spring and fork.

(d)

Using a magnetic finger, remove the straight pin.

14. REMOVE HIGH AND LOW FORK SHAFT, FORK AND

STOPPER

15. REMOVE REAR OUTPUT SHAFT, DRIVEN SPROCKET

AND CHAIN
(a)

Using snap ring pliers, remove the snap ring.

(b)

Mount the rear case in the vise.

NOTICE: Be careful not to damage the sealing

surface.
(c)

Using a plastic hammer, tap the rear case with

pulling the rear output shaft and driven sprocket.

(d)

Remove the chain.

−

TRANSFER (A340F)

Disassembly of Transfer

TF−7

TF0468

TF0469

TF0470

TF0471

TF0467

16. REMOVE SEPARATER WITH OIL STRINER

(a)

Remove the three bolts and the separater with the

oil strainer.

(b)

Remove the O−ring from the oil strainer pipe.

17. REMOVE OIL PUMP BODY ASSEMBLY

Remove the three bolts and the oil pump body assem-

bly.

18. REMOVE OIL PUMP DRIVE GEAR

19. REMOVE PLANETARY GEAR ASSEMBLY WITH

INPUT SHAFT
(a)

Using snap ring pliers, remove the snap ring.

(b)

Pull out the planetary gear assembly with the input

shaft.

TF−8

−

TRANSFER (A340F)

Disassembly of Transfer

TF0473

TF0474

TF0475

TF0476

TF0472

20. REMOVE LOW GEAR SPLINE PIECE

(a)

Using a screwdriver, remove the snap ring.

(b)

Remove the low gear spline piece.

21. REMOVE NEEDLE ROLLER BEARING FROM INPUT

SHAFT

22. REMOVE INPUT SHAFT STOPPER AND THRUST

BEARING
(a)

Using snap ring pliers, remove the snap ring.

(b)

Remove the input shaft stopper, thrust bearing,

race and the two pins.

−

TRANSFER (A340F)

Disassembly of Transfer

TF−9