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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: Removing Transmission Control Shaft Lever LH
    G04045392Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 & Park/Neutral Position Switch Assembly
    G04045393Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  4. REMOVE TRANSMISSION OIL COOLER 
    1. Remove the 3 bolts, transmission oil cooler and spacer.
      Fig 3: Identifying Bolts, Transmission Oil Cooler & Spacer
      G04045394Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the 2 O-rings from the transmission oil cooler.
    3. Remove the 2 O-rings from the spacer.
    Fig 4: Removing O-Rings From Spacer
    G04045395Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 Bolts & Transmission Revolution Sensors
    G04045396Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  6. REMOVE AUTOMATIC TRANSMISSION BREATHER TUBE 
    1. Remove the 2 bolts.
    2. Remove the breather tube.
    Fig 6: Removing Automatic Transmission Breather Tube Bolts
    G04045397Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  7. REMOVE AUTOMATIC TRANSMISSION HOUSING 
    1. Remove the 10 bolts.
    2. Remove the transmission housing.
    Fig 7: Removing Automatic Transmission Housing Bolts
    G04045398Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  8. FIX AUTOMATIC TRANSMISSION CASE SUB-ASSEMBLY 
    1. Install the transmission case on the overhaul attachment.
    Fig 8: Installing Transmission Case On Overhaul Attachment
    G04045399Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 Oil Pan Bolts
      G04053008Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    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.
        1. Steel (magnetic): bearing, gear and plate wear
        2. Brass (non-magnetic): bearing wear
    Fig 10: Inspecting For Chips & Steel Particles In Pan
    G04089157Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 With Mounting Bolts
      G04019288Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    3. Remove the O-ring from the valve body oil strainer assembly.
    Fig 12: Removing O-Ring From Valve Body Oil Strainer Assembly
    G04045403Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  11. REMOVE TRANSMISSION WIRE 
    1. Remove the bolt and disconnect the ATF temperature sensor.
      Fig 13: Identifying ATF Temperature Sensor Locking Plate Bolt
      G04053319Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the 2 bolts and disconnect the 2 clamps.
      Fig 14: Removing Bolts & Disconnecting Clamps
      G04045405Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    3. Disconnect the 9 connectors from the shift solenoid valves.
    4. Remove the bolt from the transmission case.
      Fig 15: Identifying Electrical Connectors
      G04045251Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    5. Pull the transmission wire out of the transmission case.
      Fig 16: Locating Transmission Internal Wiring Harness Bolt
      G04019558Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    6. Remove the O-ring from the transmission wire.
    Fig 17: Removing O-Ring From Transmission Wire
    G04045408Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  12. REMOVE TRANSMISSION VALVE BODY ASSEMBLY 
    1. Remove the bolt, detent spring cover and detent spring.
      Fig 18: Removing Bolt, Detent Spring Cover & Detent Spring
      G04045409Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the 20 bolts.
    3. Remove the valve body assembly.
    Fig 19: Removing Transmission Valve Body Assembly Bolts
    G04045410Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  13. REMOVE TRANSAXLE CASE GASKET 
    1. Remove the 3 transaxle case gaskets.
    Fig 20: Identifying Transaxle Case Gaskets
    G04045411Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  14. REMOVE BRAKE DRUM GASKET 
    1. Remove the 3 brake drum gaskets.
    Fig 21: Identifying Brake Drum Gaskets
    G04045412Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  15. REMOVE CHECK BALL BODY 
    1. Remove the check ball body and the spring.
    Fig 22: Removing Check Ball Body & Spring
    G04045413Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  16. REMOVE C-2 ACCUMULATOR PISTON 
    1. While blowing compressed air into the oil hole, remove the C-2 accumulator piston and the spring.
      Fig 23: Removing C-2 Accumulator Piston & Spring
      G04045414Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the 2 O-rings from the piston.
    NOTE: Take care as the C-3 and B-3 accumulator pistons may jump out.
  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: Removing O-Rings From Piston
    G04045415Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  19. REMOVE B-1 ACCUMULATOR VALVE 
    1. Remove the B-1 accumulator valve and the 2 springs.
    Fig 25: Identifying B-1 Accumulator Valve & Springs
    G04045416Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  20. REMOVE PARKING LOCK PAWL BRACKET 
    1. Remove the 3 bolts and the parking lock pawl bracket.
    Fig 26: Identifying Parking Lock Pawl Bracket
    G04019542Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  21. REMOVE PARKING LOCK ROD SUB-ASSEMBLY 
    1. Disconnect the parking lock rod from the manual valve lever.
    Fig 27: Identifying Parking Lock Rod & Manual Valve Lever
    G04028669Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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: Removing E-Ring From Shaft
    G04045419Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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: Removing Spacer
      G04045420Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    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 Using Pin Punch & Hammer
    G04045421Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  24. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL 
    1. Using a screwdriver, remove the 2 oil seals.
    Fig 31: Removing Oil Seals
    G04045422Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  25. REMOVE OIL PUMP ASSEMBLY 
    1. Remove the 10 bolts from the transmission case.
      Fig 32: Removing Bolts From Transmission Case
      G04045423Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Using a screwdriver with its tip wrapped with tape, pull out the oil pump.
      NOTE: Do not damage the oil pump.
      Fig 33: Pulling Out Oil Pump
      G04045424Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    3. Remove the No. 1 thrust bearing race from the oil pump.
    4. Remove the O-ring from the oil pump.
    Fig 34: Removing O-Ring From Oil Pump
    G04045425Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  26. REMOVE CLUTCH DRUM AND INPUT SHAFT 
    1. Remove the clutch drum and input shaft assembly from the transmission case.
      Fig 35: Removing Clutch Drum & Input Shaft Assembly From Transmission Case
      G04045426Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the clutch drum thrust washer, 2 thrust needle roller bearings and bearing race.
  27. INSPECT NO. 2 ONE WAY CLUTCH ASSEMBLY (See step 19 in  INSPECTION   ) 
    Fig 36: Identifying Clutch Drum Thrust Washer, Thrust Needle Roller Bearings & Bearing Race
    G04045427Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 No. 2 One Way Clutch Assembly & Clutch Drum Thrust Washer
      G04028658Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 No. 3 Brake Snap Ring
    G04028657Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  30. REMOVE 2ND BRAKE DISC SET 
    1. Remove the flange, cushion plate, 3 discs and 3 plates from the transmission case.
  31. INSPECT 2ND BRAKE DISC SET (See step 18 in  INSPECTION   ) 
    Fig 39: Removing Flange, Cushion Plate, 3 Discs & 3 Plates From Transmission Case
    G04045430Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  32. REMOVE 2ND BRAKE PISTON HOLE SNAP RING 
    1. Using a SST, remove the snap ring.

    SST 09350-30020 (09350-07060) 

    Fig 40: Removing 2nd Brake Piston Hole Snap Ring
    G04045431Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 One Way Clutch Assembly & No. 1 Planetary Carrier Thrust Washer
    G04046124Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  34. REMOVE 2ND BRAKE CYLINDER 
    1. Remove the 2nd brake cylinder from the transmission case.
    Fig 42: Removing 2nd Brake Cylinder From Transmission Case
    G04045433Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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: Removing Snap Ring
      G04045434Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    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
      G04045435Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    4. Remove the 2 O-rings from the 2nd brake piston.
  36. INSPECT NO. 3 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (See step 17 in  INSPECTION   ) 
    Fig 45: Removing O-Rings From 2nd Brake Piston
    G04045436Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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
      G04053281Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    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: Removing Thrust Needle Roller Bearing & No. 3 Thrust Bearing Race
    G04045438Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  38. INSPECT FRONT PLANETARY GEAR ASSEMBLY (See step 13 in  INSPECTION   ) 
  39. INSPECT ONE WAY CLUTCH ASSEMBLY (See step 14 in  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
    G04019518Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  41. REMOVE CENTER PLANETARY RING GEAR 
    1. Using a screwdriver, remove the snap ring.
      Fig 49: Removing Snap Ring
      G04045440Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    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: Removing Center Planetary Ring Gear & Front Planetary Ring Gear Flange
    G04045441Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  42. REMOVE NO. 1 BRAKE DISC 
    1. Remove the flange, the 3 discs and the 3 plates from the transmission case.
  43. INSPECT NO. 1 BRAKE DISC (See step 16 in  INSPECTION   ) 
    Fig 51: Removing Flange, 3 Discs & 3 Plates From Transmission Case
    G04045442Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 From Transmission Case
    G04045443Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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
    G04053274Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  46. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (See step 12 in  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:

      Fig 54: Applying Compressed Air To No. 1 Brake Cylinder
      G04045445Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

      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.
  48. REMOVE NO. 2 BRAKE DISC 
    1. Using a screwdriver, remove the snap ring from the transmission case.
      Fig 55: Removing Snap Ring From Transmission Case
      G04045446Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the 2 flanges, the brake piston return spring, the 3 discs and the 2 plates from the transmission case.
    Fig 56: Removing Flanges, Brake Piston Return Spring, 3 Discs & 2 Plates From Transmission Case
    G04045447Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  49. INSPECT NO. 2 BRAKE DISC (See step 10 in  INSPECTION   ) 
  50. INSPECT NO. 2 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (See step 10 in  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.

      Fig 57: Applying Compressed Air To Transmission Case
      G04045448Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the piston from the cylinder.
    3. Remove the 2 O-rings from the No. 2 brake piston.
  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
    G04053268Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  53. INSPECT CENTER PLANETARY GEAR ASSEMBLY (See step 8 in  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 From Transmission Case
      G04045450Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the intermediate shaft with the No. 3 one way clutch assembly from the transmission case.
  55. INSPECT NO. 3 ONE WAY CLUTCH ASSEMBLY (See step 7 in  INSPECTION   ) 
    Fig 60: Removing Intermediate Shaft With No. 3 One Way Clutch Assembly From Transmission Case
    G04045451Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 No. 3 One Way Clutch Assembly & Intermediate Shaft Inner Race
    G04028632Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 Thrust Bearing Race, Thrust Needle Roller Bearing & No. 7 Thrust Bearing Race
    G04045453Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  58. INSPECT REAR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY (See step 6 in  INSPECTION   ) 
  59. INSPECT INTERMEDIATE SHAFT (See step 5 in  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
    G04020090Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  61. REMOVE NO. 4 BRAKE DISC 
    1. Remove the sleeve, 4 plates, 4 discs and flange from the transmission case.
  62. INSPECT NO. 4 BRAKE DISC (See step 4 in  INSPECTION   ) 
    Fig 64: Removing Sleeve Plates Discs And Flange From Transmission Case
    G04045455Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  63. REMOVE REAR PLANETARY GEAR ASSEMBLY 
    1. Remove the rear planetary gear assembly from the transmission case.
      Fig 65: Removing Rear Planetary Gear Assembly From Transmission Case
      G04045456Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the 2 thrust needle roller bearings from the rear planetary gear assembly.
      Fig 66: Removing Thrust Needle Roller Bearings From Rear Planetary Gear Assembly
      G04045457Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    3. Remove the No. 9 thrust bearing race from the transmission case.
  64. INSPECT REAR PLANETARY GEAR ASSEMBLY (See step 2 in  INSPECTION   ) 
    Fig 67: Identifying Thrust Bearing Race
    G04045497Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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 Snap Ring & Brake Return Spring
    G04045459Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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.

      Fig 69: Blowing Compressed Air Into Transmission Case
      G04045460Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the brake apply tube from the piston.
    3. Remove the O-ring from the brake piston.
  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: Removing Brake Reaction Sleeve
    G04045461Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  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: Removing No. 4 Brake Piston
    G04045462Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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