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Automatic Transmission Unit: Disassembly

  1. REMOVE TRANSFER ASSEMBLY 

    (See REMOVAL )

  2. REMOVE TRANSMISSION CONTROL SHAFT LEVER LH 
    1. Remove the nut, spring washer and the transmission control shaft lever LH.
      Fig 1: Identifying Spring Washer And Nut To Control Shaft Lever LH
      G05294873Courtesy 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 Park/Neutral Position Switch Assembly
      G05294874Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE TRANSMISSION OIL COOLER 
    1. Remove the 3 bolts, transmission oil cooler and spacer.
      Fig 3: Identifying Bolts, Transmission Oil Cooler And Spacer
      G05317717Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 O-rings from the transmission oil cooler.
    3. Remove the 2 O-rings from the spacer.
      Fig 4: Identifying O-Rings Of Spacer
      G05317718Courtesy 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 5: Identifying Transmission Revolution Sensors With Bolt
      G05288359Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE AUTOMATIC TRANSMISSION BREATHER TUBE 
    1. Remove the 2 bolts.
    2. Remove the breather tube.
      Fig 6: Identifying Automatic Transmission Breather Tube
      G05288360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE AUTOMATIC TRANSMISSION HOUSING 
    1. Remove the 10 bolts.
    2. Remove the transmission housing.
      Fig 7: Identifying Automatic Transmission Housing
      G05288361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. FIX AUTOMATIC TRANSMISSION CASE SUB-ASSEMBLY 
    1. Install the transmission case on the overhaul attachment.
      Fig 8: Identifying Automatic Transmission Case Subassembly
      G05294879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. 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.
    3. Remove the 20 bolts, oil pan and gasket.
      Fig 9: Identifying Automatic Transmission Oil Pan Sub-Assembly Bolts
      G05294751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Examine particles in the pan.
      1. Remove the 6 magnets from the oil and use them 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 transaxle.

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

        Fig 10: Identifying Particles In Pan
        G04975943Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. 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 11: Identifying Oil Strainer Bolts
      G05294753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the O-ring from the valve body oil strainer assembly.
      Fig 12: Identifying O-Ring From Valve Body Oil Strainer Assembly
      G05317726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE TRANSMISSION WIRE 
    1. Remove the bolt and disconnect the ATF temperature sensor.
      Fig 13: Identifying ATF Temperature Sensor Bolt
      G05289664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and disconnect the 2 clamps.
      Fig 14: Identifying Clamps And Bolts
      G05289665Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the 9 connectors from the shift solenoid valves.
    4. Remove the bolt from the transmission case.
      Fig 15: Identifying Connectors To Solenoid Valves
      G05289666Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Pull the transmission wire out of the transmission case.
      Fig 16: Identifying Transmission Wire Out Of Transmission Case
      G05294884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the O-ring from the transmission wire.
      Fig 17: Identifying O-Ring From Transmission Wire
      G05317731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE TRANSMISSION VALVE BODY ASSEMBLY 
    1. Remove the bolt, detent spring cover and detent spring.
      Fig 18: Identifying Detent Spring And Detent Spring Cover
      G05294885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 20 bolts.
    3. Remove the valve body assembly.
      Fig 19: Identifying Valve Body Assembly Bolts
      G05317733Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE TRANSAXLE CASE GASKET 
    1. Remove the 3 transaxle case gaskets.
      Fig 20: Identifying Transaxle Case Gasket
      G05294887Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE BRAKE DRUM GASKET 
    1. Remove the 3 brake drum gaskets.
      Fig 21: Identifying Brake Drum Gasket
      G05294888Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE CHECK BALL BODY 
    1. Remove the check ball body and the spring.
      Fig 22: Identifying Check Ball Body
      G05318468Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. 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.
      Fig 23: Applying Compressed Air To Oil Hole
      G05294890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE B-3 ACCUMULATOR PISTON 
    1. While blowing compressed air into 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.
  18. 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 24: Applying Compressed Air Into Oil Hole
      G05294891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE B-1 ACCUMULATOR VALVE 
    1. Remove the B-1 accumulator valve and the 2 springs.
      Fig 25: Identifying B-1 Accumulator Valve
      G05294892Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE PARKING LOCK PAWL BRACKET 
    1. Remove the 3 bolts and the parking lock pawl bracket.
      Fig 26: Identifying Parking Lock Pawl Bracket
      G05294893Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE PARKING LOCK ROD SUB-ASSEMBLY 
    1. Disconnect the parking lock rod from the manual valve lever.
      Fig 27: Identifying Parking Lock Rod To Manual Valve Lever
      G05294894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. 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 28: Identifying Parking Lock Pawl Shaft
      G05317742Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY 
    1. Using a hammer and a screwdriver, cut off the spacer and remove it from the shaft.
      Fig 29: 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 30: Driving Out Spring Pin
      G05294897Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL 
    1. Using a screwdriver, remove the 2 oil seals.
      Fig 31: Removing 2 Oil Seals
      G05294898Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE OIL PUMP ASSEMBLY 
    1. Remove the 10 bolts from the transmission case.
      Fig 32: Identifying Bolts From Transmission Case
      G05294899Courtesy 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 33: Identifying Oil Pump
      G05294900Courtesy 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 34: Identifying No 1 Thrust Bearing Race To Front Oil Pump
      G05318354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE CLUTCH DRUM AND INPUT SHAFT 
    1. Remove the clutch drum and input shaft assembly from the transmission case.
      Fig 35: 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.
  27. INSPECT NO. 2 ONE WAY CLUTCH ASSEMBLY (See  INSPECTION   ) 
    Fig 36: Identifying Clutch Drum Thrust Washer, 2 Thrust Needle Roller Bearings And Bearing Race
    G05317750Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. 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 assembly.
      Fig 37: Identifying 1 Way No 2 Clutch Assembly And Washer No 2 To Clutch Drum And Input Shaft
      G05294904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. REMOVE NO. 3 BRAKE SNAP RING 
    1. Using a screwdriver, remove the No. 3 brake snap ring from the transmission case.
      Fig 38: Identifying Brake No.3 Snap Ring
      G05294905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE 2ND BRAKE DISC SET 
    1. Remove the flange, cushion plate, 3 discs and 3 plates from the transmission case.
      Fig 39: Identifying Flange, Cushion Plate, 3 Discs And 3 Plates From Transmission Case
      G05317753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. INSPECT 2ND BRAKE DISC SET (See  INSPECTION   ) 
  32. REMOVE 2ND BRAKE PISTON HOLE SNAP RING 
    1. Using a SST, remove the snap ring.

      SST 09350-30020 (09350-07060) 

      Fig 40: Identifying Snap Ring
      G05318360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. 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 41: Identifying 1 Way Clutch Assembly
      G05294908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. REMOVE 2ND BRAKE CYLINDER 
    1. Remove the 2nd brake cylinder from the transmission case.
      Fig 42: Identifying 2ND Brake Cylinder To Transmission Case
      G05294909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE 2ND BRAKE PISTON 
    1. Using SST, a screwdriver and a press, remove the snap ring.

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

    2. Remove the brake piston return spring.
      Fig 43: Installing Return Spring With Snap Ring Using SST
      G05294910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Hold the 2nd brake cylinder and apply compressed air (392 kPa, 4.0 kgf/cm2 , 57 psi) to the 2nd brake cylinder to remove the 2nd brake piston.
      Fig 44: Applying Compressed Air To 2nd Brake Cylinder
      G05294911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 O-rings from the 2nd brake piston.
      Fig 45: Identifying Manual Valve Lever Shaft Oil Seal
      G05317759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. INSPECT NO. 3 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (See  INSPECTION   ) 
  37. REMOVE FRONT PLANETARY GEAR ASSEMBLY 
    1. Remove the front planetary gear assembly and the one way clutch inner race from the transmission case.
      Fig 46: 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 front planetary gear.
      Fig 47: Identifying Thrust Needle Roller Bearing And No. 3 Thrust Bearing Race
      G04963534Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  38. INSPECT FRONT PLANETARY GEAR ASSEMBLY (See  INSPECTION   ) 
  39. INSPECT ONE WAY CLUTCH ASSEMBLY (See  INSPECTION   ) 
  40. REMOVE FRONT PLANETARY RING GEAR 
    1. Remove the front planetary ring gear from the transmission case.
      Fig 48: Identifying Front Planetary Ring Gear
      G05110235Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  41. REMOVE CENTER PLANETARY RING GEAR 
    1. Using a screwdriver, remove the snap ring.
      Fig 49: Removing Snap Ring
      G05294916Courtesy 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 50: Identifying Center Planetary Ring Gear And Front Planetary Ring Gear Flange
      G05294917Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. REMOVE NO. 1 BRAKE DISC 
    1. Remove the flange, the 3 discs and the 3 plates from the transmission case.
      Fig 51: Identifying Flange With Discs
      G05317765Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  43. INSPECT NO. 1 BRAKE DISC (See  INSPECTION   ) 
  44. REMOVE BRAKE PISTON RETURN SPRING SNAP RING 
    1. Using a screwdriver, remove the brake piston return spring snap ring from the transmission case.
      Fig 52: Removing Brake Piston Return Spring Snap Ring
      G05294919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  45. 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 53: Identifying Brake Piston Return Spring
      G05294920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  46. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (See  INSPECTION   ) 
  47. 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 54: Applying Compressed Air To Brake Cylinder No 1 For Removing Brake Piston No 1
      G05294921Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  48. REMOVE NO. 2 BRAKE DISC 
    1. Using a screwdriver, remove the snap ring from the transmission case.
      Fig 55: Removing 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 3 discs and the 2 plates from the transmission case.
      Fig 56: Identifying Flanges, Brake Piston Return Spring, 3 Discs And 2 Plates From Transmission Case
      G05317770Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  49. INSPECT NO. 2 BRAKE DISC (See  INSPECTION   ) 
  50. INSPECT NO. 2 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (See  INSPECTION   ) 
  51. 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 57: Applying Compressed Air To Transmission Case
      G05294924Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  52. 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 58: Identifying Center Planetary Gear Assembly
      G05289904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  53. INSPECT CENTER PLANETARY GEAR ASSEMBLY (See  INSPECTION   ) 
  54. REMOVE INTERMEDIATE SHAFT 
    1. Using SST, remove the snap ring from the transmission case.

      SST 09350-30020 (09350-07060) 

      Fig 59: Removing Snap Ring Using 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 60: Removing Intermediate Shaft
      G05294927Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  55. INSPECT NO. 3 ONE WAY CLUTCH ASSEMBLY (See  INSPECTION   ) 
  56. 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 61: Identifying 1 Way No 3 Clutch Assembly And 1 Way Clutch Inner Race To Intermediate Shaft
      G05294928Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  57. REMOVE RR 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 62: Identifying Rear Planetary Ring Gear Flange Sub-Assembly
      G05317776Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  58. INSPECT RR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY (See  INSPECTION   ) 
  59. INSPECT INTERMEDIATE SHAFT (See  INSPECTION   ) 
  60. REMOVE BRAKE PLATE STOPPER SPRING 
    1. Remove the brake plate stopper spring from the transmission case.
      Fig 63: Identifying Brake Plate Stopper Spring
      G05294930Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  61. REMOVE NO. 4 BRAKE DISC 
    1. Remove the sleeve, 4 plates, 4 discs and flange from the transmission case.
      Fig 64: Identifying Brake Disc No.4
      G05289910Courtesy 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 65: Identifying Rear Planetary Gear Assembly
      G05317779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 thrust needle roller bearings from the rear planetary gear assembly.
      Fig 66: Identifying Thrust Needle Roller Bearings From Rear Planetary Gear Assembly
      G05317780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the No. 9 thrust bearing race from the transmission case.
      Fig 67: Identifying No. 9 Thrust Bearing Race
      G05289913Courtesy 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.

      SST 09350-30020(09350-07070) 

      Fig 68: Identifying 1ST & Reverse Brake Return Spring Sub-Assembly
      G05294935Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  66. INSPECT 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY (See  INSPECTION   ) 
  67. REMOVE 1ST & 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 69: Applying Compressed Air Into Transmission Case
      G05294936Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  68. REMOVE BRAKE REACTION SLEEVE 
    1. Using a SST, remove the reaction sleeve.

      SST 09350-30020 (09350-07080) 

    2. Remove the 2 O-rings from the reaction sleeve.
      Fig 70: Identifying Brake Reaction Sleeve
      G05294937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  69. 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 71: Identifying Brake Piston No.4
      G05294938Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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