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Automatic Transmission Unit: Disassembly: Disassembly

  1. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH 
    1. Remove the nut, spring washer and transmission control shaft lever RH.
      Fig 1: Identifying Transmission Control Shaft Lever RH
      GTY261287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY 
    Fig 2: Identifying Nut And Lock Washer
    GTY261289Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using a screwdriver, bend the tabs of the lock washer.
    2. Remove the nut and lock washer.
    3. Remove the bolt and park/neutral position switch assembly.
  3. REMOVE OIL COOLER TUBE UNION 
    Fig 3: Identifying Oil Cooler Tube Elbows
    GTY283176Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 oil cooler tube elbows.
    2. Remove the O-rings from the oil cooler tube elbows.
  4. REMOVE NO. 1 BREATHER PLUG 
    Fig 4: Locating No. 1 Breather Plug
    GTY102746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY 
    NOTE:

    Do not turn the transmission over as this will contaminate the valve body with foreign matter located at the bottom of the pan.

    1. Remove the overflow plug and gasket.
    2. Remove the drain plug and gasket.
    3. Remove the 9 bolts, automatic transmission oil pan and gasket.
      Fig 5: Locating Oil Pan Bolts
      GTY101571Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Examine the particles in the pan.
      1. Remove the magnets from the oil pan. Use the removed magnets to collect any steel chips. Look carefully at the chips and particles in the pan and on the magnet to anticipate the type of wear which might be found in the transmission.

        Steel (magnetic): bearing, gear and plate wear

        Brass (non-magnetic): bush wear

  6. REMOVE VALVE BODY OIL STRAINER ASSEMBLY 
    Fig 6: Locating Oil Strainer Bolts
    GTY103775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 4 bolts and valve body oil strainer assembly from the transmission valve body assembly.
    2. Remove the O-ring from the valve body oil strainer assembly.
      Fig 7: Identifying O-Ring And Oil Strainer
      GTY107323Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE TRANSMISSION VALVE BODY ASSEMBLY 
    1. Remove the bolt, lock plate and ATF temperature sensor.
      Fig 8: Locating Solenoid Valves Connectors
      GTY101980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the oil pressure switch connector.
    3. Disconnect the 9 connectors from the solenoid valves.
    4. Remove the bolt, detent spring cover and detent spring.
      Fig 9: Locating Detent Spring And Bolt
      GTY102169Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 17 bolts and transmission valve body assembly.
      NOTE:

      Do not drop the check ball body or spring.

      Fig 10: Locating Valve Body And Bolts
      GTY107325Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Disconnect the lever pin from the manual valve.
      NOTE:

      Do not drop the manual valve.

  8. REMOVE CHECK BALL BODY 
    Fig 11: Identifying Check Ball Body And Spring
    GTY102905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the check ball body and spring.
  9. REMOVE TRANSMISSION WIRE 
    Fig 12: Locating Speed Sensor Connectors
    GTY103011Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the 3 connectors from the 3 speed sensors.
    2. Remove the bolt and pull out the transmission wire.
      Fig 13: Locating Transmission Wire Bolt
      GTY107326Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE SPEED SENSOR 
    Fig 14: Locating Speed Sensor Bolts
    GTY101926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 bolts and 2 speed sensors (NC3 and SP2).
    2. Using a T30 "TORX" wrench, remove the bolt and speed sensor NT.
  11. REMOVE AUTOMATIC TRANSMISSION CASE PLUG 
    Fig 15: Identifying Automatic Transmission Case Plug And O-Ring
    GTY265936Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the automatic transmission case plug and O-ring.
  12. REMOVE PARKING LOCK PAWL BRACKET 
    Fig 16: Locating Parking Lock Pawl Bracket Bolts
    GTY284499Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 3 bolts and parking lock pawl bracket.
  13. REMOVE PARKING LOCK ROD SUB-ASSEMBLY 
    Fig 17: Disconnecting Parking Lock Rod
    GTY103452Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the parking lock rod from the manual valve lever.
  14. REMOVE PARKING LOCK PAWL SHAFT 
    Fig 18: Identifying Parking Lock Pawl Shaft
    GTY276922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Pull out the parking lock pawl shaft from the front side, and then remove the parking lock pawl and spring.
    2. Remove the E-ring from the shaft.
  15. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY 
    Fig 19: Cutting Off Spacer
    GTY259002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using a screwdriver and hammer, cut off the spacer and remove it from the manual valve lever shaft.
    2. Using a pin punch and hammer, tap out the spring pin.
      Fig 20: Tapping Spring Pin
      GTY282497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Slowly tap out the spring pin so that it does not fall into the transmission case.

    3. Pull the manual valve lever shaft out through the case and remove the manual valve lever.
  16. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL 
    1. Using a screwdriver, pry out the oil seal.
      Fig 21: Prying Out Oil Seal
      GTY287578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Protective Tape

      HINT: 

      Tape the screwdriver tip before use.

  17. REMOVE OIL PUMP ASSEMBLY 
    Fig 22: Locating Transmission Case Bolts
    GTY107331Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 11 bolts from the transmission case.
    2. Pull out the oil pump assembly.
      Fig 23: Identifying Oil Pump
      GTY259712Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Do not damage the oil pump assembly.

    3. Remove the O-ring from the oil pump assembly.
      Fig 24: Identifying Oil Pump O-Ring
      GTY107402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE OVERDRIVE AND REVERSE CLUTCH DRUM SUB-ASSEMBLY AND FRONT PLANETARY GEAR ASSEMBLY WITH NO. 1 BRAKE DISC SET 
    Fig 25: Identifying Reverse Multiple Disc Clutch Assembly
    GTY289152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the overdrive and reverse clutch drum sub-assembly and front planetary gear assembly with No. 1 brake disc set from the transmission case.
    2. Remove the thrust needle roller bearing and thrust bearing race.
  19. REMOVE NO. 1 BRAKE DISC SET 
    1. Remove the 5 plates, 5 discs and No. 1 brake flange.
  20. INSPECT NO. 1 BRAKE DISC  See step  1
  21. REMOVE FRONT PLANETARY GEAR ASSEMBLY 
    Fig 26: Identifying Front Planetary Gear Assembly
    GTY107335Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the front planetary gear assembly with the front planetary sun gear from the overdrive and reverse clutch drum sub-assembly.
    2. Remove the 3 clutch drum oil seal rings.
      Fig 27: Identifying Oil Seal Rings
      GTY289155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the planetary carrier thrust washer.
      Fig 28: Identifying Clutch Drum Thrust Washer
      GTY107342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 clutch drum oil seal rings.
      Fig 29: Identifying Clutch Drum Oil Seal Rings
      GTY289156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the planetary sun gear.
      Fig 30: Identifying Front Planetary Sun Gear
      GTY101720Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. INSPECT FRONT PLANETARY GEAR ASSEMBLY  See step  2
  23. REMOVE OVERDRIVE CLUTCH DISC SET 
    1. Using a screwdriver, remove the snap ring from the overdrive direct clutch drum.
      Fig 31: Removing Snap Ring From Overdrive Direct Clutch Drum
      GTY286173Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Protective Tape

      HINT: 

      Tape the screwdriver tip before use.

    2. Remove the flange, 4 discs and 4 plates from the drum.
  24. INSPECT OVERDRIVE CLUTCH DISC  See step  3
  25. REMOVE REVERSE CLUTCH DISC SET 
    1. Using a screwdriver, remove the hole snap ring from the reverse clutch drum.
      Fig 32: Removing Hole Snap Ring From Reverse Clutch Drum
      GTY256697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Protective Tape

      HINT: 

      Tape the screwdriver tip before use.

    2. Remove the flange, 5 discs, 5 plates and cushion plate from the reverse clutch drum.
  26. INSPECT REVERSE CLUTCH DISC  See step  4
  27. REMOVE REVERSE CLUTCH PISTON 
    Fig 33: Compressing Clutch Balancer With Press
    GTY102649Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Place SST on the reverse clutch balancer and compress the reverse clutch return spring with a press.
      • SST: 09380-50010 
    2. Using SST, remove the snap ring.
      • SST: 09350-30020 
        • 09350-07070
    3. Remove the reverse clutch balancer and reverse clutch return spring sub-assembly from the reverse clutch drum.
      Fig 34: Identifying Piston Balancer And Clutch Piston
      GTY104253Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Hold the reverse clutch piston and apply compressed air to the oil hole of the reverse clutch drum to remove the reverse clutch piston.
      Fig 35: Removing Reverse Clutch Piston
      GTY285479Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Oil Hole
    5. Remove the O-ring from the reverse clutch piston.
  28. INSPECT REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY  See step  5
  29. REMOVE REVERSE CLUTCH DRUM SUB-ASSEMBLY 
    Fig 36: Removing Reverse Clutch Drum Sub-Assembly
    GTY289154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the reverse clutch drum sub-assembly from the overdrive direct clutch drum sub-assembly.

      HINT: 

      The reverse clutch drum is easier to remove if a hole snap ring is installed. Use the hole snap ring from the "REMOVE REVERSE CLUTCH DISC SET" procedure.

    2. Remove the 3 O-rings from the reverse clutch drum.
  30. REMOVE OVERDRIVE DIRECT CLUTCH PISTON SUB-ASSEMBLY 
    Fig 37: Compressing Clutch Balancer With Press
    GTY107340Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Place SST on the No. 3 clutch balancer and compress the overdrive clutch return spring with a press.
      • SST: 09380-50010 
    2. Using SST, remove the snap ring.
      • SST: 09350-30020 
        • 09350-07070
    3. Remove the No. 3 clutch balancer and overdrive clutch return spring.
      Fig 38: Identifying No. 3 Clutch Balancer And Clutch Return Spring Sub-Assembly
      GTY107341Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Hold the overdrive direct clutch piston and apply compressed air to the oil hole of the drum to remove the overdrive direct clutch piston.
      Fig 39: Removing Overdrive Direct Clutch Piston
      GTY286171Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Oil Hole
    5. Remove the O-ring from the No. 3 clutch balancer.
    6. Remove the O-ring from the overdrive direct clutch piston sub-assembly.
    7. Remove the O-ring from the overdrive direct clutch drum sub-assembly.
  31. INSPECT OVERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY  See step  6
  32. INSPECT OVERDRIVE DIRECT CLUTCH DRUM SUB-ASSEMBLY  See step  7
  33. REMOVE FORWARD MULTIPLE DISC CLUTCH SUB-ASSEMBLY WITH FRONT PLANETARY RING GEAR 
    Fig 40: Identifying Forward Multiple Clutch Disc Assembly With Front Planetary Ring Gear
    GTY289157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the forward multiple disc clutch with front planetary ring gear, the thrust needle roller bearing and the thrust bearing race from the transmission case.
    2. Using needle-nose pliers, detach the snap ring and remove the front planetary ring gear from the forward clutch drum.
      Fig 41: Detaching Snap Ring
      GTY273355Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. REMOVE FORWARD MULTIPLE CLUTCH DISC SET 
    1. Using a screwdriver, remove the snap ring.
      Fig 42: Removing Snap Ring
      GTY270479Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Protective Tape

      HINT: 

      Tape the screwdriver tip before use.

    2. Remove the forward clutch flange, 6 forward multiple disc clutch clutch discs, 6 forward multiple disc clutch clutch plates and clutch cushion plate.
  35. INSPECT FORWARD MULTIPLE DISC CLUTCH CLUTCH DISC  See step  8
  36. REMOVE FORWARD CLUTCH PISTON 
    Fig 43: Compressing Clutch Balancer With Press
    GTY104312Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Place SST on the No. 1 clutch balancer and compress the forward clutch return spring with a press.
      • SST: 09380-50010 
    2. Using SST, remove the snap ring.
      • SST: 09350-30020 
        • 09350-07070
    3. Remove the No. 1 clutch balancer and forward clutch return spring sub-assembly from the forward clutch drum sub-assembly.
      Fig 44: Identifying No. 1 Clutch Balancer And Forward Clutch Return Spring Sub-Assembly
      GTY107344Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the O-ring from the No. 1 clutch balancer.
    5. Hold the forward clutch piston and apply compressed air to the oil hole of the drum to remove the forward clutch piston.
      Fig 45: Removing Forward Clutch Piston
      GTY262624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Oil Hole
    6. Remove the 2 O-rings from the forward clutch piston.
  37. INSPECT FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY  See step  9
  38. INSPECT FORWARD CLUTCH DRUM SUB-ASSEMBLY  See step  10
  39. REMOVE MULTIPLE DISC CLUTCH CLUTCH HUB 
    Fig 46: Identifying Multiple Disc Clutch Hub
    GTY289158Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the multiple disc clutch clutch hub from the transmission case.
    2. Remove the thrust bearing race and thrust needle roller bearing from the transmission case.
  40. REMOVE SUN GEAR INPUT DRUM SUB-ASSEMBLY 
    Fig 47: Identifying Sun Gear Input Drum Sub-Assembly
    GTY107346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the sun gear input drum, thrust needle roller bearing and thrust bearing race from the transmission case.
  41. INSPECT SUN GEAR INPUT DRUM SUB-ASSEMBLY  See step  11
  42. REMOVE REAR PLANETARY SUN GEAR ASSEMBLY 
    Fig 48: Identifying Sun Gear And Thrust Bearing Race
    GTY107347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the rear planetary sun gear assembly and thrust bearing race from the transmission case.
  43. REMOVE 1-WAY CLUTCH OUTER RACE WITH NO. 1 1-WAY CLUTCH 
    Fig 49: Identifying Snap Ring From Transmission Case
    GTY107348Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using SST, remove the snap ring from the transmission case.
      • SST: 09350-30020 
        • 09350-07060
    2. Remove the 1-way clutch outer race with No. 1 1-way clutch.
      Fig 50: Identifying 1-Way Clutch Outer Race With 1-Way Clutch
      GTY107349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  44. INSPECT REAR PLANETARY SUN GEAR ASSEMBLY  See step  12
  45. REMOVE REAR PLANETARY GEAR ASSEMBLY 
    Fig 51: Identifying Rear Planetary Gear Assembly
    GTY107350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the thrust needle roller bearing, rear planetary gear assembly and thrust bearing race from the transmission case.
  46. INSPECT NO. 1 1-WAY CLUTCH  See step  14
  47. REMOVE NO. 1 1-WAY CLUTCH 
    Fig 52: Identifying Snap Rings
    GTY102846Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 snap rings from the 1-way clutch outer race.
  48. INSPECT REAR PLANETARY GEAR ASSEMBLY  See step  13
  49. REMOVE NO. 2 BRAKE DISC SET 
    1. Remove the brake plate, 4 No. 2 brake discs, 3 No. 2 brake plates and No. 2 brake flange.
  50. INSPECT NO. 2 BRAKE DISC  See step  15
  51. REMOVE DIRECT CLUTCH DRUM SUB-ASSEMBLY WITH REAR PLANETARY RING GEAR AND OUTPUT SHAFT SUB-ASSEMBLY 
    Fig 53: Identifying Thrust Bearing Races And Direct Clutch Drum With Rear Planetary Ring Gear
    GTY281562Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 thrust needle roller bearings, the 2 thrust bearing races and the direct clutch drum with rear planetary ring gear and output shaft from the transmission case.
  52. REMOVE REAR PLANETARY RING GEAR 
    1. Using needle-nose pliers, detach the snap ring and disconnect the rear planetary ring gear from the output shaft.
      Fig 54: Disconnecting Rear Planetary Ring Gear From Output Shaft
      GTY254282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  53. DISCONNECT DIRECT CLUTCH DRUM SUB-ASSEMBLY 
    Fig 55: Identifying Direct Clutch Drum And Output Shaft
    GTY254268Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the direct clutch drum from the output shaft and remove the thrust needle roller bearing and thrust bearing race from the output shaft.
    2. Remove the 3 oil seal rings from the output shaft.
      Fig 56: Identifying Oil Seal Rings And Output Shaft
      GTY254267Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 oil seal rings from the direct clutch drum.
      Fig 57: Identifying Clutch Drum Oil Seal Rings
      GTY259226Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  54. REMOVE NO. 2 CLUTCH DISC SET 
    1. Using a screwdriver, remove the snap ring, direct clutch flange, 6 No. 2 clutch discs and 6 No. 2 clutch plates from the direct clutch drum.
      Fig 58: Identifying No. 2 Clutch Disc Set
      GTY263871Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Protective Tape

      HINT: 

      Tape the screwdriver tip before use.

  55. INSPECT NO. 2 CLUTCH DISC  See step  16
  56. REMOVE DIRECT CLUTCH PISTON 
    Fig 59: Compressing Return Spring With Press
    GTY101918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Place SST on the No. 2 clutch balancer and compress the direct clutch return spring with a press.
      • SST: 09387-00020 
    2. Using SST, remove the snap ring.
      • SST: 09350-30020 
        • 09350-07070
    3. Remove the No. 2 clutch balancer and direct clutch return spring sub-assembly from the direct clutch drum sub-assembly.
      Fig 60: Identifying Clutch Balancer And Direct Clutch Return Spring Sub-Assembly
      GTY107358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the O-ring from the No. 2 clutch balancer.
    5. Hold the direct clutch piston and apply compressed air to the oil hole of the direct clutch drum to remove the direct clutch piston.
      Fig 61: Applying Compressed Air To Oil Hole Of Direct Clutch Drum
      GTY260700Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Oil Hole
    6. Remove the O-ring from the direct clutch piston.
    7. Remove the O-ring from the direct clutch drum sub- assembly.
  57. INSPECT DIRECT CLUTCH RETURN SPRING SUB-ASSEMBLY  See step  17
  58. REMOVE TRANSFER CASE ADAPTER REAR OIL SEAL 
    Fig 62: Prying Out Transfer Case Adapter Rear Oil Seal
    GTY277990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using a screwdriver, pry out the transfer case adapter rear oil seal.
      TEXT IN ILLUSTRATION

      *1 Protective Tape
      NOTE:

      Do not damage the surface of the oil seal press fit hole.

      HINT: 

      Tape the screwdriver tip before use.

  59. REMOVE OUTPUT SHAFT REAR RADIAL BALL BEARING 
    1. Using snap ring pliers, remove the snap ring from the transmission case.
    2. Using SST, remove the output shaft rear radial ball bearing.
      • SST: 09308-00010 
      Fig 63: Removing Snap Ring From Transmission Case
      GTY273121Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  60. REMOVE NO. 2 BRAKE PISTON 
    Fig 64: Removing No. 2 Brake Piston
    GTY279796Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Set SST on the No. 2 brake piston return spring sub-assembly, tighten SST and compress the No. 2 brake piston return spring sub-assembly.
      • SST: 09380-50010 
    2. Using SST, remove the snap ring and the No. 2 brake piston return spring.
      • SST: 09350-30020 
        • 09350-07070
    3. Hold the No. 2 brake piston and apply compressed air to the oil hole of the transmission case to remove the No. 2 brake piston.
      Fig 65: Applying Compressed Air To Oil Hole Of Transmission Case
      GTY256491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Oil Hole
    4. Remove the 3 O-rings from the No. 2 brake piston.
  61. INSPECT NO. 2 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY  See step  18
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