Part 1
COMPONENT PARTS REMOVALComponents (4 Runner; Truck; Tacoma similar)
External Components:
Valve Body, Accumulators And Second Coast Brake:
Internal Components:
Components (T100)
External Components:
Valve Body, Accumulators And Second Coast Brake:
Internal Components:
Components (Supra)
External Components:
Valve Body, Accumulators And Second Coast Brake:
Internal Components:
Components (Previa)
External Components:
Valve Body, Accumulators And Second Coast Brake:
Internal Components:
Transmission Disassembly
1. SUPRA, PREVIA:
REMOVE WIRE HARNESS CLAMP AND THROTTLE CABLE CLAMP
2. REMOVE TRANSMISSION CONTROL SHAFT LEVER
3. REMOVE PARK/NEUTRAL POSITION SWITCH
a) Unstake the lock washer.
b) Remove the nut and bolt, and then remove the park/neutral position switch.
c) Remove the lock washer and grommet.
4. SUPRA,T100:
REMOVE A/T OIL TEMPERATURE SENSOR
a) Remove the oil temperature sensor.
b) Remove the O-ring from the sensor.
5. REMOVE UNIONS
a) Remove the 2 unions.
b) Remove the O-rings from both unions.
6. REMOVE NO.1 VEHICLE SPEED SENSOR
a) Remove the No.1 vehicle speed sensor.
b) Remove the 0-ring from it.
7. REMOVE NO.2 VEHICLE SPEED SENSOR
a) Remove the No.2 vehicle speed sensor.
b) Remove the 0-ring from it.
8. REMOVE TRANSMISSION HOUSING
a) Remove the 6 bolts.
b) Remove the transmission housing.
9. INSTALL TRANSMISSION CASE
Install the transmission case on the overhaul attachment.
10. REMOVE EXTENSION HOUSING
a) Remove the 6 bolts.
b) Remove the extension housing.
c) Remove the oil apply tube and gasket from the extension housing.
11. SUPRA: REMOVE SPEEDOMETER DRIVE GEAR AND BALL
a) Using snap ring pliers, remove the snap ring.
b) Remove the speedometer drive gear and ball.
12. SUPRA: REMOVE SENSOR ROTOR AND KEY
a) Remove the sensor rotor and key.
b) Using snap ring pliers, remove the snap ring.
13. OTHERS: REMOVE SPEEDOMETER DRIVE GEAR AND BALL
a) Using snap ring pliers, remove the snap ring.
b) Remove the speedometer drive gear and ball.
14. OTHERS: REMOVE SENSOR ROTOR AND KEY
a) Remove the sensor rotor and key.
b) Using snap ring pliers, remove the snap ring.
15. REMOVE OIL PAN
NOTICE: Do not turn the transmission over as this will contaminate the valve body with any foreign matter at the bottom on the pan.
a) Remove the 19 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.
16. EXAMINE PARTICLES IN PAN
Remove the magnets and use them to collect steel particles.
Carefully look at the foreign matter and particles 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
17. REMOVE OIL STRAINER AND GASKETS
a) Remove the 3 bolts holding the oil strainer to the valve body.
b) Remove the oil strainer and 2 gaskets.
18. REMOVE OIL TUBES
Pry up both tube ends with a large screwdriver and remove the 2 oil tubes.
19. REMOVE SOLENOID WIRING
a) Disconnect the 3 connectors from No.1, No.2 and lock-up solenoids.
b) Remove the bolt and stopper plate from the case.
c) Pull out the solenoid wiring form the transmission case.
d) Remove the 0-rings from the grommet.
20. REMOVE VALVE BODY
a) Remove the 17 bolts.
b) Disconnect the throttle cable from the cam and remove the valve body.
21. REMOVE CHECK BALL BODY, ACCUMULATOR SPRINGS AND PISTONS
a) Remove the check ball body and spring.
b) Remove the 2 springs from Co accumulator piston.
c) Applying compressed air to the oil hole, remove the B, and C2 accumulator pistons and springs.
d) Applying compressed air to the oil hole, remove the Bo accumulator piston and spring.
e) Applying compressed air to the oil hole, remove the Co accumulator piston.
f) Remove the 0-ring from each piston.
22. REMOVE THROTTLE CABLE
a) Remove the retaining bolt and pull out the throttle cable.
b) Remove the 0-ring from the cable.
23. REMOVE PARKING LOCK ROD AND PAWL
a) Remove the parking lock pawl bracket.
b) Disconnect the parking lock rod from the manual valve lever.
c) Pull the parking lock pawl shaft out from the front side, then remove the lock pawl and spring.
d) Remove the E-ring from the shaft.
24. REMOVE MANUAL VALVE LEVER SHAFT AND OIL SEALS
a) Using a hammer and chisel, cut off the spacer and remove it from the shaft.
b) Using a pin punch, drive out the pin.
c) Pull the manual valve lever shaft out through the case and remove the manual valve lever.
d) Using a screwdriver, remove the 2 oil seals.
25. REMOVE OIL PUMP
a) Stand up the transmission.
b) Remove the 7 bolts holding the oil pump to the transmission case.
c) Using SST, remove the oil pump.
SST 09610-20012
d) Remove the 0-ring from it.
e) Remove the race from the oil pump.
26. REMOVE OVERDRIVE PLANETARY GEAR WITH OVERDRIVE DIRECT CLUTCH AND ONE-WAY CLUTCH
a) Remove the overdrive planetary gear with the overdrive direct clutch and overdrive one-way clutch from the transmission case.
b) Remove the race and assembled bearing and race.
27. REMOVE OVERDRIVE PLANETARY RING GEAR
a) Remove the overdrive planetary ring gear from the transmission case.
b) Remove the bearing and 2 races from the planetary ring gear.
28. CHECK PISTON STROKE OF OVERDRIVE BRAKE
a) Place SST and a dial indicator onto the overdrive brake piston.
SST 09350-30020 (09350-06120)
b) Measure the stroke while applying and releasing compressed air (392 - 785 kPa, 4 - 8 kg-cm2, 57 - 114 psi).
Piston stroke:
PREVIA: 1.32 - 1.62 mm (0.0520 - 0.0638 inch)
OTHERS: 1.40 - 1.70 mm (0.0551 - 0.0669 inch)
If the values are non-standard, inspect the disc.
29. REMOVE FLANGES, PLATES AND DISCS OF OVERDRIVE BRAKE
a) Remove the snap ring.
b) Remove the flanges, plates and discs as a set.
30. REMOVE OVERDRIVE SUPPORT ASSEMBLY
a) Remove the 2 bolts holding the overdrive support assembly to the case.
b) Using SST, remove the snap ring.
SST 09350 - 30020 (09350 - 07060)
c) Using SST, remove the overdrive support assembly.
SST 09350-30020 (09350-07020)
d) Remove the assembled bearing and race from the overdrive support.