Toyota Automatic Transmission A340 Series. Repair Manual — part 5
AT4505
AT5072
AT2310
(SUPRA, CRESSIDA)
AT4836 AT4994
Floor Shift
Column Shift
AT4625
(TRUCK, 4 RUNNER)
SEPARATE BASIC SUBASSEMBLY
1.
REMOVE WIRE HARNESS CLAMP AND THROTTLE
CABLE CLAMP
2.
REMOVE TRANSMISSION CONTROL SHAFT LEVER
3.
REMOVE NEUTRAL START SWITCH
(a)
Unstake the lock washer.
(b)
Remove the nut and bolt, and then remove the
neutral start switch.
(c)
Remove the lock washer and grommet.
4.
REMOVE UNIONS
(a)
Remove the two unions.
(b)
Remove the O−rings from both unions.
AT−29
−
AUTOMATIC TRANSMISSION (A340E)
Removal of Component Parts
AT7939
(TRUCK, 4 RUNNER)
AT6647
(SUPRA, CRESSIDA)
AT8216
AT1981 C4141
AT1986
5.
REMOVE SPEEDOMETER DRIVEN GEAR
(a)
Remove the bolt and lock plate.
(b)
Pull out the sleeve.
(c)
Pull out the driven gear from the sleeve.
(d)
Remove the O−ring from the sleeve.
6.
REMOVE SPEED SENSOR
(a)
Disconnect the connector.
(b)
Remove the speed sensor.
(c)
Remove the O−ring from it.
7.
REMOVE TRANSMISSION HOUSING
(a)
Remove the six bolts.
(b)
Remove the transmission housing.
8.
REMOVE EXTENSION HOUSING
(a)
Remove the six bolts.
(b)
Remove the extension housing.
AT−30
−
AUTOMATIC TRANSMISSION (A340E)
Removal of Component Parts
E7058
AT4637
AT2604 C4151
w/ ABS
w/o ABS
AT3168
SST
AT8217
(c)
Remove the oil apply tube and gasket from the
extension housing.
9.
REMOVE SPEEDOMETER DRIVE GEAR AND BALL
(a)
Using snap ring pliers, remove the snap ring.
(b)
Remove the speedometer drive gear and ball.
10. REMOVE SENSOR ROTOR AND KEY
(a)
Remove the sensor rotor and key.
(b)
Using snap ring pliers, remove the snap ring.
11. REMOVE OIL PAN
NOTICE: Do not turn the transmission over as this will
contaminate the valve body with any foreign matter at
the bottom of the pan.
(a)
Remove the nineteen bolts.
(b)
Install the blade of SST between the transmission
case and oil pan, cut off applied sealer.
SST
09032−00100
NOTICE: Be careful not to damage the oil pan flange.
(c)
Remove the pan by lifting the transmission case.
AT−31
−
AUTOMATIC TRANSMISSION (A340E)
Removal of Component Parts
AT2630
AT8218
AT1354
AT4440
AT0103
12. EXAMINE PARTICLES IN PAN
Remove the magnets and use them to collect steel
particles. Carefully lock at the foreign matter and par-
ticles in the pan and on the magnets to anticipate the
type of wear you will find in the transmission.
Steel (magnetic)
bearing, gear and clutch
. . . . . . .
plate wear
Brass (non−magnetic)
bushing wear
. .
13. REMOVE OIL STRAINER AND GASKETS
(a)
Remove the three bolts holding the oil strainer to
the valve body.
(b)
Remove the oil strainer and two gaskets.
14. REMOVE OIL TUBES
Pry up both tube ends with a large screwdriver and re-
move the two tubes.
15. REMOVE SOLENOID WIRING
(a)
Disconnect the three connectors from No. 1, No.
2 and lock−up solenoid.
(b)
Remove the stopper plate from the case.
(c)
Pull out the solenoid wiring from the transmission
case.
(d)
Remove the O−ring from the grommet.
AT−32
−
AUTOMATIC TRANSMISSION (A340E)
Removal of Component Parts
D4992
AT4847
AT5016
SUPRA and CRESSIDA
D4994
AT8339
16. REMOVE VALVE BODY
(a)
Remove the seventeen bolts.
(b)
Disconnect the throttle cable from the cam and
remove the valve body.
17. REMOVE CHECK BALL BODY, ACCUMULATOR
SPRINGS AND PISTONS
(a)
Remove the check ball body and spring.
(b)
Remove the two springs from the C
0
accumulator
piston.
(c)
Applying compressed air to the oil hole, remove
B
2
and C
2
accumulator pistons and two or three
springs.
AT−33
−
AUTOMATIC TRANSMISSION (A340E)
Removal of Component Parts
AT8220
AT4441
AT8432
AT7874
SST
AT8219
(d)
Applying compressed air to the oil hole, remove
the B
0
accumulator piston and spring.
(e)
Applying compressed air to the oil hole, remove
the C
0
accumulator piston.
(f)
Remove the O−ring from each piston.
18. REMOVE THROTTLE CABLE
(a)
Remove the retaining bolt and pull out the throttle
cable.
(b)
Remove the O−ring from the cable.
19. REMOVE OIL PUMP
(a)
Stand up the transmission.
(b)
Remove the seven bolts holding the oil pump to
the transmission case.
(c)
Using SST, remove the oil pump.
SST
09610−20012
(d)
Remove the O−ring from it.
AT−34
−
AUTOMATIC TRANSMISSION (A340E)
Removal of Component Parts
AT3148
AT8429
AT8428
AT8430
AT8431
(e)
Remove the race from the oil pump.
20. REMOVE OVERDRIVE PLANETARY GEAR UNIT
WITH OVERDRIVE DIRECT CLUTCH AND ONE−WAY
CLUTCH
(a)
Remove the overdrive planetary gear with the
overdrive direct clutch and one−way clutch from
the transmission case.
(b)
Remove the race and assembled bearing and
race.
(c)
Remove the bearing and race.
(d)
Remove the overdrive planetary ring gear from
the transmission case.
AT−35
−
AUTOMATIC TRANSMISSION (A340E)
Removal of Component Parts
AT8427
D5008
AT4442
Mark
Piston Rod
AT8213
AT8212
SST
21. CHECK PISTON STROKE OF OVERDRIVE BRAKE
(a)
Place SST and a dial indicator onto the overdrive
brake piston as shown in the figure.
SST
09350−30020 (09350−06120)
(b)
Measure the stroke applying and releasing the
compressed air (4 − 8 kg/cm
2
, 57 − 114 psi or
392 − 785 kPa) as shown in the figure.
Piston stroke:
(7M−GTE)
1.75 − 2.05 mm (0.0689 − 0.0807 in.)
(Others)
1.40 − 1.70 mm (0.0551 − 0.0669 in.)
If the values are nonstandard, inspect the discs.
(See page AT−61)
22. REMOVE FLANGES, PLATES AND DISCS OF
OVERDRIVE BRAKE
(a)
Remove the snap ring.
(b)
Remove the flanges, plates and discs as a set.
(7M−GTE)
Two flanges, four plates and five discs
(Others)
Two flanges, three plates and four discs
The method of inspection, refer to AT−61.
23. CHECK PISTON ROD STROKE OF SECOND COAST
BRAKE
(a)
Place a mark on the second coast brake piston
rod as shown in the figure.
AT−36
−
AUTOMATIC TRANSMISSION (A340E)
Removal of Component Parts
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст