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Automatic Transmission Unit: Disassembly

CAUTION: When working with FIPG material, perform the following:
  • Using a razor blade and gasket scraper, remove all the old FIPG material from the gasket surfaces.
  • Thoroughly clean all components to remove any loose material.
  • Clean both sealing surfaces with a non-residue solvent.
  • Apply FIPG in a continuous line (width approximately 1 mm (0.04 in.)) along the sealing surface.
  • Parts must be assembled within 10 minutes of application. Otherwise, the FIPG material must be removed and reapplied.
  1. REMOVE TRANSMISSION CASE COVER 
    1. Remove the 2 bolts and the transmission case cover.
      Fig 1: Identifying Bolts And Transmission Case Cover
      G05318146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH 
    1. Remove the nut, spring washer and the transmission control shaft lever RH.
      Fig 2: Identifying Nut, Spring Washer And Transmission Control Shaft Lever Rh
      G05318315Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY 
    1. Using a screwdriver, unstake the lock washer.
    2. Remove the nut and lock washer.
    3. Remove the bolt and park/neutral position switch.
      Fig 3: Identifying Park/Neutral Position Switch Assembly
      G05288356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE TRANSMISSION OIL COOLER 
    1. Remove the 3 bolts and transmission oil cooler.
      Fig 4: Identifying Bolts And Transmission Oil Cooler
      G05318317Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 O-rings from the transmission oil cooler.
      Fig 5: Identifying O-Rings From Transmission Oil Cooler
      G05318318Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE TRANSMISSION REVOLUTION SENSOR 
    1. Remove the 2 bolts and the 2 transmission revolution sensors.
    2. Remove the O-ring from each sensor.
      Fig 6: Identifying Bolts And Transmission Revolution Sensors
      G05318319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE AUTOMATIC TRANSMISSION BREATHER TUBE 
    1. Remove the 2 bolts.
    2. Remove the breather tube.
      Fig 7: Identifying Automatic Transmission Breather Tube Bolts
      G05318320Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE AUTOMATIC TRANSMISSION HOUSING 
    1. Remove the 10 bolts.
    2. Remove the transmission housing.
      Fig 8: Identifying Automatic Transmission Housing
      G05288361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE EXTENSION HOUSING DUST DEFLECTOR 
    1. Using a brass bar and a hammer, remove the extension housing dust deflector.
      NOTE: Be careful not to damage the extension housing.
      Fig 9: Identifying Extension Housing Dust Deflector
      G05318322Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE EXTENSION (ATM) HOUSING SUB-ASSEMBLY 
    1. Remove the 6 bolts.
      Fig 10: Identifying Extension (ATM) Housing Sub-Assembly Bolts
      G05318323Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver, remove the extension housing sub-assembly.
      Fig 11: Identifying Extension Housing Sub-Assembly
      G05318324Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using a snap ring plier, remove the snap ring from the extension housing sub-assembly.
    4. Remove the transmission case adaptor radial ball bearing.
      Fig 12: Identifying Snap Ring From Extension Housing Sub-Assembly
      G05318325Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Using a snap ring expander, remove the snap ring.
    6. Remove the thrust needle roller bearing and the 2 thrust bearing races.
      Fig 13: Identifying Snap Ring
      G05318326Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE AUTOMATIC TRANSMISSION EXTENSION HOUSING OIL SEAL 
    1. Using a screwdriver, remove the oil seal.
      Fig 14: Identifying Oil Seal
      G05318327Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. FIX AUTOMATIC TRANSMISSION CASE SUB-ASSEMBLY 
    1. Install the transmission case on the overhaul attachment.
  12. 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 the gasket.
    2. Remove the drain plug and the gasket.
      Fig 15: Identifying Automatic Transmission Case Subassembly
      G05294879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 20 bolts, oil pan and gasket.
      Fig 16: Identifying Oil Pan Bolts
      G05318162Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Examine particles in the pan.
      1. Remove the magnets from the oil pan and use them to collect any steel chips. Look carefully for the chips and particles in the pan and on the magnet to anticipate the type of wear which might be found in the transaxle.

        Steel (magnetic): bearing, gear, and plate wear Brass (non-magnetic): bearing wear

        Fig 17: Identifying Collecting Steel Particles
        G04975943Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE VALVE BODY OIL STRAINER ASSEMBLY 
    1. Turn over the transmission.
    2. Remove the 4 bolts and valve body oil strainer assembly from the valve body.
      Fig 18: Identifying Bolts And Valve Body Oil Strainer Assembly From Valve Body
      G05318164Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the O-ring from the valve body oil strainer assembly.
      Fig 19: Identifying O-Ring From Valve Body Oil Strainer Assembly
      G05318332Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE TRANSMISSION WIRE 
    1. Remove the bolt and temperature sensor clamp, and separate the ATF temperature sensor.
      Fig 20: Identifying Bolt And Temperature Sensor Clamp
      G05318166Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and disconnect the 2 clamps.
      Fig 21: Identifying Clamps
      G05318167Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the 9 connectors from the solenoid valves.
      Fig 22: Identifying Connectors From Solenoid Valves
      G05318168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Pull the transmission wire out of the transmission case.
      Fig 23: Identifying Transmission Wire Out Of Transmission Case
      G05294884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the O-ring from the transmission wire.
      Fig 24: Identifying O-Ring From Transmission Wire
      G05318337Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE TRANSMISSION VALVE BODY ASSEMBLY 
    1. Remove the bolt, detente spring cover and detente spring.
      Fig 25: Identifying Bolt, Detente Spring Cover And Detente Spring
      G05318338Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 19 bolts.
    3. Remove the valve body assembly.
      Fig 26: Identifying Valve Body Assembly Bolts
      G05318199Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE TRANSAXLE CASE GASKET 
    1. Remove the 3 transaxle case gaskets.
      Fig 27: Identifying Transaxle Case Gasket
      G05294887Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE BRAKE DRUM GASKET 
    1. Remove the 3 brake drum gaskets.
      Fig 28: Identifying Brake Drum Gasket
      G05294888Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE CHECK BALL BODY 
    1. Remove the check ball body and the spring.
      Fig 29: Identifying Check Ball Body
      G05294889Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE C-2 ACCUMULATOR PISTON 
    1. While blowing compressed air into the oil hole, remove the C-2 accumulator piston and the spring.
    2. Remove the 2 O-rings from the piston.
      NOTE: Take care as the C-3 and B-3 accumulator pistons may jump out.
  20. REMOVE B-3 ACCUMULATOR PISTON 
    1. Applying compressed air to the oil hole, remove the B-3 accumulator piston and the spring.
    2. Remove the 2 O-rings from the piston,
      NOTE: Take care as the C-3 accumulator piston may jump out.
      Fig 30: Identifying Compressed Air To Oil Hole
      G05294890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE C-3 ACCUMULATOR PISTON 
    1. While blowing compressed air into the oil hole, remove the C-3 accumulator piston and the 2 springs.
    2. Remove the 2 O-rings from the piston.
      Fig 31: Identifying 2 O-Rings From Piston
      G05294891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE B-1 ACCUMULATOR VALVE 
    1. Remove the B-1 accumulator valve and the spring.
      Fig 32: Identifying B-1 Accumulator Valve And Spring
      G05318345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE PARKING LOCK PAWL BRACKET 
    1. Remove the 3 bolts and the parking lock pawl bracket.
      Fig 33: Identifying Bolts And Parking Lock Pawl Bracket
      G05294893Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE PARKING LOCK ROD SUB-ASSEMBLY 
    1. Disconnect the parking lock rod from the manual valve lever.
      Fig 34: Identifying Parking Lock Rod From Manual Valve Lever
      G05294894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE PARKING LOCK PAWL SHAFT 
    1. Pull out the parking lock pawl shaft from the front side, then remove the lock pawl and the spring.
    2. Remove the E-ring from the shaft.
      Fig 35: Identifying Parking Lock Pawl Shaft
      G05318348Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY 
    1. Using a hammer and a screwdriver, cut off the spacer and remove it from the shaft.
      Fig 36: Cutting Off Spacer
      G05294896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a pin punch and a hammer, drive out the spring pin.

      HINT:

      Slowly drive 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.
      Fig 37: Driving Out Spring Pin
      G05294897Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL 
    1. Using a screwdriver, remove the 2 oil seals.
      Fig 38: Identifying Oil Seals
      G05294898Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. REMOVE OIL PUMP ASSEMBLY 
    1. Remove the 9 bolts from the transmission case.
      Fig 39: Identifying Bolts From Transmission Case
      G05318352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver with its tip wrapped with tape, pull out the oil pump.
      NOTE: Do not damage the oil pump.
      Fig 40: Identifying Oil Pump
      G05318353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the No. 1 thrust bearing race from the oil pump.
    4. Remove the O-ring from the oil pump.
      Fig 41: Identifying No. 1 Thrust Bearing Race From Oil Pump
      G05318354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. REMOVE CLUTCH DRUM AND INPUT SHAFT 
    1. Remove the clutch drum and input shaft from the transmission case.
      Fig 42: Identifying Clutch Drum And Input Shaft Assembly From Transmission Case
      G05294902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the clutch drum thrust washer, 2 thrust needle roller bearings and bearing race.
      Fig 43: Identifying Clutch Drum Thrust Washer, Thrust Needle Roller Bearings And Bearing Race
      G05318356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. INSPECT NO. 2 ONE WAY CLUTCH ASSEMBLY (See  INSPECTION   ) 
  31. REMOVE NO. 2 ONE WAY CLUTCH ASSEMBLY 
    1. Remove the No. 2 one way clutch assembly and clutch drum thrust washer from the clutch drum and input shaft.
      Fig 44: Identifying No. 2 One Way Clutch Assembly
      G05294904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. REMOVE NO. 3 BRAKE SNAP RING 
    1. Using a screwdriver, remove the No. 3 brake snap ring from the transmission case.
      Fig 45: Identifying Brake No.3 Snap Ring
      G05294905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. REMOVE 2ND BRAKE DISC SET 
    1. Remove the flange, 3 discs and 3 plates from the transmission case.
      Fig 46: Identifying Flange, Discs And Plates From Transmission Case
      G05318359Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. INSPECT 2ND BRAKE DISC SET (See  INSPECTION   ) 
  35. REMOVE 2ND BRAKE PISTON HOLE SNAP RING 
    1. Using SST, remove the snap ring.

      SST 09350-30020 (09350-07060) 

      Fig 47: Identifying Snap Ring
      G05318360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. REMOVE ONE WAY CLUTCH ASSEMBLY 
    1. Remove the one way clutch assembly and the No. 1 planetary carrier thrust washer from the transmission case.
      Fig 48: Identifying 1 Way Clutch Assembly
      G05294908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. REMOVE 2ND BRAKE CYLINDER 
    1. Remove the 2nd brake cylinder from the transmission case.
      Fig 49: Identifying 2nd Brake Cylinder From Transmission Case
      G05318362Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  38. REMOVE FRONT PLANETARY GEAR ASSEMBLY 
    1. Remove the front planetary gear assembly and the one way clutch inner race from the transmission case.
      Fig 50: Identifying Front Planetary Gear Assembly
      G04963533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the thrust needle roller bearing, the No. 3 thrust bearing race and the No. 2 planetary carrier thrust washer from the transmission case.
      Fig 51: Identifying Thrust Needle Roller Bearing And No. 3 Thrust Bearing Race
      G04963534Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  39. INSPECT FRONT PLANETARY GEAR ASSEMBLY (See  INSPECTION   ) 
  40. INSPECT ONE WAY CLUTCH ASSEMBLY (See  INSPECTION   ) 
  41. REMOVE FRONT PLANETARY RING GEAR 
    1. Remove the front planetary ring gear from the transmission case.
      Fig 52: Identifying Front Planetary Ring Gear From Transmission Case
      G05318365Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. REMOVE CENTER PLANETARY RING GEAR 
    1. Using a screwdriver, remove the snap ring.
    2. Remove the center planetary ring gear from the front planetary ring gear.
      Fig 53: Identifying Snap Ring
      G05318366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using a screwdriver, remove the snap ring.
    4. Remove the center planetary ring gear flange from the center planetary ring gear.
    5. Remove the thrust needle roller bearing from the front planetary ring gear flange.
      Fig 54: Identifying Snap Ring From Center Planetary Ring Gear
      G05318367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  43. REMOVE NO. 1 BRAKE DISC 
    1. Remove the flange, the 3 discs and the 3 plates from the transmission case.
      Fig 55: Identifying Brake Disc No.1
      G05294918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  44. INSPECT NO. 1 BRAKE DISC (See  INSPECTION   ) 
  45. REMOVE BRAKE PISTON RETURN SPRING SNAP RING 
    1. Using a screwdriver, remove the brake piston return spring snap ring from the transmission case.
      Fig 56: Identifying Brake Piston Return Spring Snap Ring From Transmission Case
      G05294919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  46. REMOVE BRAKE PISTON RETURN SPRING SUB-ASSEMBLY 
    1. Remove the brake piston return spring, the No. 1 brake piston and the No. 1 brake cylinder from the transmission case.
      Fig 57: Identifying Brake Piston Return Spring Sub-Assembly
      G05294920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  47. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (See  INSPECTION   ) 
  48. REMOVE NO. 1 BRAKE PISTON 
    1. Hold the No. 1 brake cylinder and apply compressed air (392 kPa, 4 kgf/cm2 , 57 psi) to the No. 1 brake cylinder to remove the No. 1 brake piston.

      HINT:

      If the piston does not pop out with compressed air, lift the piston out with needle-nose pliers.

    2. Remove the 2 O-rings from the No. 1 brake piston.
      Fig 58: Applying Compressed Air To Brake Cylinder No 1 For Removing Brake Piston No 1
      G05294921Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  49. REMOVE NO. 2 BRAKE DISC 
    1. Using a screwdriver, remove the snap ring from the transmission case.
      Fig 59: Identifying Brake No 2 Snap Ring From Transmission Case
      G05294922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 flanges, the brake piston return spring, the 4 discs and the 3 plates from the transmission case.
      Fig 60: Identifying Flanges, Brake Piston Return Spring, Discs And Plates
      G05294923Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  50. INSPECT NO. 2 BRAKE DISC (See  INSPECTION   ) 
  51. INSPECT NO. 2 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (See  INSPECTION   ) 
  52. REMOVE NO. 2 BRAKE PISTON 
    1. Hold the No. 2 brake piston and apply compressed air (392 kPa, 4 kgf/cm2 , 57 psi) to the transmission case to remove the No. 2 brake piston and the No. 2 brake cylinder.

      HINT:

      If the piston does not pop out with compressed air, lift the piston out with needle-nose pliers.

    2. Remove the piston from the cylinder.
    3. Remove the 2 O-rings from the No. 2 brake piston.
      Fig 61: Applying Compressed Air To Transmission Case
      G05294924Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  53. REMOVE CENTER PLANETARY GEAR ASSEMBLY 
    1. Remove the center planetary gear assembly, the planetary sun gear and the No. 4 thrust bearing race from the transmission case.
      Fig 62: Identifying Center Planetary Gear Assembly
      G05289904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  54. INSPECT CENTER PLANETARY GEAR ASSEMBLY (See  INSPECTION   ) 
  55. REMOVE INTERMEDIATE SHAFT 
    1. Using SST, remove the snap ring from the transmission case.

      SST 09350-30020 (09350-07060) 

      Fig 63: Identifying SST
      G05318376Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the intermediate shaft with the No. 3 one way clutch assembly from the transmission case.
      Fig 64: Identifying Intermediate Shaft With No. 3 One Way Clutch Assembly From Transmission Case
      G05294927Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  56. INSPECT NO. 3 ONE WAY CLUTCH ASSEMBLY (See  INSPECTION   ) 
  57. REMOVE NO. 3 ONE WAY CLUTCH ASSEMBLY 
    1. Remove the No. 3 one way clutch assembly and the one way clutch inner race from the intermediate shaft.
      Fig 65: Identifying No. 3 One Way Clutch Assembly
      G05294928Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  58. REMOVE REAR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY 
    1. Remove the No. 8 thrust bearing race, the thrust needle roller bearing, the No. 7 thrust bearing race and the planetary ring gear flange from the intermediate shaft.
      Fig 66: Identifying Rear Planetary Ring Gear Flange Sub-Assembly
      G05318379Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  59. INSPECT INTERMEDIATE SHAFT (See  INSPECTION   ) 
  60. REMOVE BRAKE PLATE STOPPER SPRING 
    1. Remove the brake plate stopper spring from the transmission case.
      Fig 67: Identifying Brake Plate Stopper Spring From Transmission Case
      G05294930Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  61. REMOVE NO. 4 BRAKE DISC 
    1. Remove the 4 plates, 5 discs and 2 flanges from the transmission case.
      Fig 68: Identifying Plates, Discs And Flanges From Transmission Case
      G05318381Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  62. INSPECT NO. 4 BRAKE DISC (See  INSPECTION   ) 
  63. REMOVE REAR PLANETARY GEAR ASSEMBLY 
    1. Remove the rear planetary gear assembly from the transmission case.
      Fig 69: Identifying Rear Planetary Gear Assembly From Transmission Case
      G05294932Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the No. 9 thrust bearing race, thrust bearing race and the thrust needle roller bearing from the rear planetary gear assembly.
      Fig 70: Identifying No 9 Thrust Bearing Race And Thrust Bearing Race
      G05318383Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the thrust needle roller bearing from the transmission case.
      Fig 71: Identifying Thrust Needle Roller Bearing From Transmission Case
      G05318384Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  64. INSPECT REAR PLANETARY GEAR ASSEMBLY (See  INSPECTION   ) 
  65. REMOVE 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY 
    1. Place SST on the 1st and reverse brake return spring sub-assembly and compress the brake return spring.

      SST 09350-30020 (09350-07050) 

    2. Using the SST, remove the snap ring and the brake return spring.
      Fig 72: Identifying Snap Ring And Brake Return Spring
      G05318385Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09350-30020 (09350-07070) 

  66. INSPECT 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY (See  INSPECTION   ) 
  67. REMOVE BRAKE APPLY TUBE 
    1. Remove the brake apply tube from the 1st and reverse brake piston.
      Fig 73: Identifying Brake Apply Tube From 1st And Reverse Brake Piston
      G05318386Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  68. REMOVE 1ST AND REVERSE BRAKE PISTON 
    1. Hold the 1st and reverse brake piston and blow compressed air (392 kPa, 4 kgf/cm2 , 57 psi) into the transmission case to remove the brake piston.

      HINT:

      If the piston does not pop out with compressed air, lift the piston out with needle-nose pliers.

    2. Remove the brake apply tube from the piston.
    3. Remove the O-ring from the brake piston.
      Fig 74: Identifying 1st And Reverse Brake Piston
      G05318387Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  69. REMOVE BRAKE REACTION SLEEVE 
    1. Using SST, remove the reaction sleeve.

      SST 09350-30020 (09350-07080) 

    2. Remove the 2 O-rings from the reaction sleeve.
      Fig 75: Identifying Reaction Sleeve
      G05318388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  70. REMOVE NO. 4 BRAKE PISTON 
    1. Using SST, remove the No. 4 brake piston.

      SST 09350-30020 (09350-07080) 

    2. Remove the 2 O-rings from the No. 4 brake piston.
      Fig 76: Identifying Brake Piston No.4
      G05318389Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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