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Automatic Transmission Unit: Disassembly

  1. REMOVE TRANSAXLE CASE COVER UPPER 
    1. Remove the 2 bolts and transaxle case cover upper.
  2. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH 
    1. Remove the nut, spring washer and the transmission control shaft lever RH.
      Fig 1: Identifying Transmission Control Shaft Lever RH
      G04028520Courtesy 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 2: Identifying Bolt And Park/Neutral Position Switch
      G04028521Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE OIL COOLER TUBE UNION 
    1. Remove the 2 oil cooler tube unions.
    2. Remove the O-rings from the oil cooler tube unions.
      Fig 3: Identifying Oil Cooler Tube Unions
      G04028522Courtesy 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-rings from each sensor.
      Fig 4: Identifying Transmission Revolution Sensors
      G04028523Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE AUTOMATIC TRANSMISSION BREATHER TUBE 
    1. Remove the 2 bolts.
    2. Remove the breather tube.
      Fig 5: Identifying Automatic Transmission Breather Tube
      G04028524Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE AUTOMATIC TRANSMISSION HOUSING 
    1. Remove the 10 bolts.
    2. Remove the transmission housing.
      Fig 6: Identifying Automatic Transmission Housing
      G04028525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE AUTOMATIC TRANSMISSION FLANGE YOKE ASSEMBLY 
    1. Using a hammer and chisel, loosen the staked part of the nut.
    2. Remove the nut and flange yoke.
      Fig 7: Loosening Staked Part Of Nut
      G04028526Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the oil seal from the flange yoke.
      Fig 8: Identifying Oil Seal From Flange Yoke
      G04028527Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE EXTENSION (ATM) HOUSING SUBASSEMBLY 
    1. Remove the 6 bolts.
      Fig 9: Identifying Bolts
      G04028528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Use a screwdriver to remove the extension housing sub-assembly.
      Fig 10: Identifying Extension Housing Sub-Assembly
      G04028529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using a snap ring expander, remove the snap ring.
    4. Remove the thrust needle roller bearing and the 2 bearing races.
      Fig 11: Identifying Snap Ring
      G04028530Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE RR COVER SLEEVE 
    1. Remove the 2 washers and RR cover sleeve.
  11. REMOVE TRANSMISSION CASE ADAPTOR RADIAL BALL BEARING 
    1. Remove the transmission case adaptor radial ball bearing from the extension housing sub-assembly.
      Fig 12: Identifying Washers And RR Cover Sleeve
      G04028531Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE AUTOMATIC TRANSMISSION EXTENSION HOUSING OIL SEAL 
    1. Using a screwdriver, remove the oil seal.
      Fig 13: Identifying Automatic Transmission Extension Housing Oil Seal
      G04028532Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. FIX AUTOMATIC TRANSMISSION CASE SUBASSEMBLY 
    1. Install the transmission case on the overhaul attachment.
      Fig 14: Identifying Transmission Case On Overhaul Attachment
      G04028533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. 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 over flow plug and the gasket.
    2. Remove the drain plug and the gasket.
    3. Remove the 20 bolts, oil pan and gasket.
    4. Examine 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 what type of wear you will find in the transaxle.

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

        Fig 15: Inspecting For Chips And Steel Particles In Pan
        G04089157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. 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.
    3. Remove the O-ring from the valve body oil strainer assembly.
      Fig 16: Identifying Valve Body Oil Strainer Assembly From Valve Body
      G04028535Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE TRANSMISSION WIRE 
    1. Remove the 3 bolts and disconnect the 3 clamps.
    2. Disconnect the 9 connectors from the shift solenoid valves.
      Fig 17: Identifying Connectors From Shift Solenoid Valves
      G04028536Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the bolt from the transmission case.
    4. Pull the transmission wire out of the transmission case.
    5. Remove the O-ring from the transmission wire.
      Fig 18: Locating Transmission Internal Wiring Harness bolt
      G04019558Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE TRANSMISSION VALVE BODY ASSEMBLY 
    1. Remove the bolt, the detent spring cover and detent spring.
      Fig 19: Identifying Detent Spring Cover And Detent Spring
      G04028538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 20 bolts.
    3. Remove the valve body assembly.
      Fig 20: Identifying Valve Body Assembly
      G04028539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE TRANSAXLE CASE GASKET 
    1. Remove the 3 transaxle case gaskets.
      Fig 21: Identifying Transaxle Case Gaskets
      G04028540Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE BRAKE DRUM GASKET 
    1. Remove the 3 brake drum gaskets.
      Fig 22: Identifying Brake Drum Gaskets
      G04028541Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE CHECK BALL BODY 
    1. Remove The Check Ball Body And The Spring.
      Fig 23: Identifying Check Ball Body And Spring
      G04028542Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. 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 piston may jump out.
      Fig 24: Identifying C-2 Accumulator Piston And Spring
      G04028543Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. 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.
  23. 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 25: Identifying C-3 Accumulator Piston And Spring
      G04028544Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE B-1 ACCUMULATOR VALVE 
    1. Remove the B-1 accumulator valve and the 2 springs.
      Fig 26: Identifying B-1 Accumulator Valve And Springs
      G04028545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE PARKING LOCK PAWL BRACKET 
    1. Remove the 3 bolts and the parking lock pawl bracket.
      Fig 27: Identifying Parking Lock Pawl Bracket
      G04019542Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE PARKING LOCK ROD SUB-ASSEMBLY 
    1. Disconnect the parking lock rod from the manual valve lever.
      Fig 28: View Of Parking Lock Rod And Manual Valve Lever
      G04028669Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. 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 29: Identifying Lock Pawl And Spring
      G04028548Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY 
    1. Using a hammer and a screwdriver, cut off the spacer and remove it from the shaft.
      Fig 30: Identifying Spacer From Shaft
      G04028549Courtesy 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 31: Driving Out Spring Pin
      G04028550Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL 
    1. Using a screwdriver, remove the 2 oil seals.
      Fig 32: Identifying Manual Valve Lever Shaft Oil Seal
      G04028551Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE OIL PUMP ASSEMBLY 
    1. Remove the 10 bolts from the transmission case.
      Fig 33: Identifying Bolts From Transmission Case
      G04028552Courtesy 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 34: Pulling Out Oil Pump
      G04028553Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the thrust bearing race No.1 from the oil pump.
    4. Remove the O-ring from the oil pump.
      Fig 35: Identifying Thrust Bearing Race No 1 From Oil Pump
      G04028554Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE CLUTCH DRUM AND INPUT SHAFT 
    1. Remove the clutch drum and input shaft from the transmission case.
      Fig 36: Identifying Clutch Drum And Input Shaft From Transmission Case
      G04028555Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the clutch drum thrust washer, 2 thrust needle roller bearings and bearing race.
  32. INSPECT 1 WAY NO.2 CLUTCH ASSEMBLY (See  REASSEMBLY   ) 
    Fig 37: Identifying Clutch Drum Thrust Washer, Thrust Needle Roller Bearings And Bearing Race
    G04028556Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. REMOVE 1 WAY NO.2 CLUTCH ASSEMBLY 
    1. Remove the 1 way No.2 clutch assembly and clutch drum thrust washer from the clutch drum and input shaft.
      Fig 38: View Of 1 Way no. 2 Clutch Assembly And Clutch Drum Thrust Washer
      G04028658Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. REMOVE BRAKE NO.3 SNAP RING 
    1. Using a screwdriver, remove the brake No.3 snap ring from the transmission case.
      Fig 39: Identifying Snap Ring
      G04028657Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE 2ND BRAKE DISC SET 
    1. Remove the flange, cushion plate, 4 discs and 4 plates from the transmission case.
  36. INSPECT 2ND BRAKE DISC SET (See  REASSEMBLY   ) 
    Fig 40: Identifying Discs And Plates From Transmission Case
    G04028559Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. REMOVE 2ND BRAKE PISTON HOLE SNAP RING 
    1. Using SST, remove the snap ring.

      SST 09350-30020 (09350-07060) 

      Fig 41: Identifying Snap Ring
      G04028560Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  38. REMOVE 1 WAY CLUTCH ASSEMBLY 
    1. Remove the 1 way clutch assembly and the planetary carrier thrust washer No.1 from the transmission case.
      Fig 42: Identifying One Way Clutch Assembly And Thrust Washer
      G04046124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  39. REMOVE 2ND BRAKE CYLINDER 
    1. Remove the 2nd brake cylinder from the transmission case.
      Fig 43: Identifying 2Nd Brake Cylinder From Transmission Case
      G04028562Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  40. REMOVE 2ND BRAKE PISTON 
    1. Using SST and a press, remove the 2nd brake piston snap ring.

      SST 09351-40010 (09351-04060, 09351-04070) 

    2. Remove the brake piston return spring subassembly No.3.
      Fig 44: Identifying 2Nd Brake Piston Snap Ring
      G04028563Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Hold the 2nd brake piston and apply compressed air (392 kPa, 4.0 kgf/cm2 , 57 psi) to the 2nd brake cylinder to remove the 2nd brake piston.
      Fig 45: Applying Compressed Air To 2Nd Brake Cylinder For Identifying 2Nd Brake Piston
      G04028564Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 O-rings from the 2nd brake piston.
  41. INSPECT BRAKE PISTON RETURN SPRING SUBASSEMBLY NO.3 (See  REASSEMBLY   ) 
    Fig 46: Identifying 2 O-Rings From 2Nd Brake Piston
    G04028565Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. REMOVE FRONT PLANETARY GEAR ASSEMBLY 
    1. Remove the front planetary gear assembly and the 1 way clutch inner race from the transmission case.
      Fig 47: Identifying Front Planetary Gear Assembly
      G04053281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the thrust needle roller bearing, the thrust bearing race No.3 and the planetary carrier thrust washer No.2 from the transmission case.
  43. INSPECT FRONT PLANETARY GEAR ASSEMBLY (See  REASSEMBLY   ) 
  44. INSPECT 1 WAY CLUTCH ASSEMBLY (See  REASSEMBLY   ) 
    Fig 48: Identifying Thrust Needle Roller Bearing, Thrust Bearing Race No 3 And Planetary Carrier Thrust Washer No 2
    G04028567Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  45. REMOVE FRONT PLANETARY RING GEAR 
    1. Remove the front planetary ring gear from the transmission case.
      Fig 49: Identifying Front Planetary Ring Gear
      G04019518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  46. REMOVE CENTER PLANETARY RING GEAR 
    1. Using a screwdriver, remove the snap ring.
      Fig 50: Identifying Snap Ring
      G04028569Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the center planetary ring gear and the front planetary ring gear flange from the front planetary ring gear.
    3. Remove the thrust needle roller bearing from the front planetary ring gear flange.
      Fig 51: Identifying Center Planetary Ring Gear And Front Planetary Ring Gear Flange From Front Planetary Ring Gear
      G04028570Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  47. REMOVE BRAKE DISC NO.1 
    1. Remove the flange, the 3 discs and the 3 plates from the transmission case.
  48. INSPECT BRAKE DISC NO.1 (See  REASSEMBLY   ) 
    Fig 52: Identifying Flange, Discs And Plates From Transmission Case
    G04028571Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  49. REMOVE BRAKE PISTON RETURN SPRING SNAP RING 
    1. Using a screwdriver, remove the brake piston return spring snap ring from the transmission case.
      Fig 53: Identifying Brake Piston Return Spring Snap Ring From Transmission Case
      G04028572Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  50. REMOVE BRAKE PISTON RETURN SPRING SUBASSEMBLY 
    1. Remove the brake piston return spring and the brake piston No.1 with the brake cylinder No.1 from the transmission case.
  51. INSPECT BRAKE PISTON RETURN SPRING SUBASSEMBLY (See  REASSEMBLY   ) 
    Fig 54: Identifying Brake Piston Return Spring
    G04053274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  52. REMOVE BRAKE PISTON NO.1 
    1. Hold the brake cylinder No.1 and apply compressed air (392 kPa, 4 kgf/cm2 , 57 psi) to the brake cylinder No.1 to remove the brake piston No.1.

      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 brake piston No.1.
      Fig 55: Applying Compressed Air To Brake Cylinder No 1 For Identifying Brake Piston No 1
      G04028574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  53. REMOVE BRAKE DISC NO.2 
    1. Using a screwdriver, remove the brake No.2 snap ring from the transmission case.
      Fig 56: Identifying Brake No 2 Snap Ring From Transmission Case
      G04028575Courtesy 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.
  54. INSPECT BRAKE DISC NO.2 (See  REASSEMBLY   ) 
  55. INSPECT BRAKE PISTON RETURN SPRING SUBASSEMBLY NO.2 (See  REASSEMBLY   ) 
    Fig 57: Identifying Discs And Plates From Transmission Case
    G04028576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  56. REMOVE BRAKE PISTON NO.2 
    1. Hold the brake piston No.2 and apply compressed air (392 kPa, 4 kgf/cm2 , 57 psi) to the transmission case to remove the brake piston No.2 with the 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 brake piston No.2.
      Fig 58: Identifying Brake Piston No 2
      G04028577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  57. REMOVE CENTER PLANETARY GEAR ASSEMBLY 
    1. Remove the center planetary gear assembly, the planetary sun gear and the thrust bearing race No.4 from the transmission case.
  58. INSPECT CENTER PLANETARY GEAR ASSEMBLY (See  REASSEMBLY   ) 
    Fig 59: View Of Center Planetary Gear Assembly
    G04053268Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  59. REMOVE INTERMEDIATE SHAFT 
    1. Using SST, remove the snap ring from the transmission case.

      SST 09350-30020 (09350-07060) 

      Fig 60: Identifying Snap Ring From Transmission Case
      G04028579Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the intermediate shaft with the 1 way No.3 clutch assembly from the transmission case.
  60. INSPECT 1 WAY NO.3 CLUTCH ASSEMBLY (See  REASSEMBLY   ) 
    Fig 61: Identifying Intermediate Shaft With 1 Way No 3 Clutch Assembly From Transmission Case
    G04028580Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  61. REMOVE 1 WAY NO.3 CLUTCH ASSEMBLY 
    1. Remove the 1 way clutch No.3 assembly and the 1 way clutch inner race from the intermediate shaft.
      Fig 62: View Of 1 Way No 3 Clutch Assembly & Intermediate Shaft Inner Race
      G04028632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  62. REMOVE REAR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY 
    1. Remove the thrust bearing race No.8, the thrust needle roller bearing, the thrust bearing race No.7 and the planetary ring gear flange from the intermediate shaft.
      Fig 63: Identifying Thrust Bearing Race No 8, Thrust Needle Roller Bearing And Thrust Bearing Race No.7
      G04028582Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  63. INSPECT REAR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY (See  REASSEMBLY   ) 
  64. INSPECT INTERMEDIATE SHAFT (See  REASSEMBLY   ) 
  65. REMOVE BRAKE PLATE STOPPER SPRING 
    1. Remove the brake plate stopper spring from the transmission case.
      Fig 64: Identifying Brake Plate Stopper Spring
      G04020090Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  66. REMOVE BRAKE DISC NO.4 
    1. Remove the sleeve, 4 plates, 4 discs and flange from the transmission case.
  67. INSPECT BRAKE DISC NO.4 (See  REASSEMBLY   ) 
    Fig 65: Identifying Sleeve, Plates, Discs And Flange From Transmission Case
    G04028584Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  68. REMOVE REAR PLANETARY GEAR ASSEMBLY 
    1. Remove the rear planetary gear assembly from the transmission case.
      Fig 66: Identifying Rear Planetary Gear Assembly From Transmission Case
      G04028585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 thrust needle roller bearings from the rear planetary gear assembly.
      Fig 67: Identifying Thrust Needle Roller Bearings From Rear Planetary Gear
      G04028586Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the thrust bearing race No.9 from the transmission case.
  69. INSPECT REAR PLANETARY GEAR ASSEMBLY (See  REASSEMBLY   ) 
    Fig 68: Identifying Thrust Bearing Race
    G04045497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  70. 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 SST, remove the snap ring and the brake return spring.

      SST 09350-30020 (09350-07070) 

      Fig 69: Identifying Snap Ring And Brake Return Spring
      G04028588Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  71. INSPECT 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY (See  INSPECTION   ) 
  72. 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 brake piston.
      Fig 70: Identifying 1St And Reverse Brake Piston
      G04028589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  73. 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 71: Identifying Reaction Sleeve
      G04028590Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  74. REMOVE BRAKE PISTON NO.4 
    1. Using SST, remove the brake piston No.4.

      SST 09350-30020 (09350-07080) 

    2. Remove the 2 O-rings from the brake piston No.4.
      Fig 72: Identifying Brake Piston No 4
      G04028591Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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