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Automatic Transaxle - A760H: Disassembly: Notes

  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 Transmission Control Shaft Lever Nut
    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.
    2. Remove the O-rings from the transmission oil cooler.
    3. Remove the O-rings from the spacer.
    Fig 3: Identifying Transmission Oil Cooler
    G05294875Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE SPEED SENSOR 
    1. Remove the 2 bolts and the 2 speed sensors.
    2. Remove the O-rings from each sensor.
    Fig 4: Locating Speed Sensor Bolts
    G05294876Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE AUTOMATIC TRANSMISSION BREATHER TUBE 
    1. Remove the 2 bolts.
    2. Remove the breather tube.
    Fig 5: Locating Automatic Transmission Breather Tube Bolts
    G05288360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE AUTOMATIC TRANSMISSION HOUSING 
    1. Remove the 10 bolts.
    2. Remove the transmission housing.
    Fig 6: Locating Automatic Transmission Housing Bolts
    G05288361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. FIX AUTOMATIC TRANSMISSION CASE SUB-ASSEMBLY 
    1. Install the transmission case on the overhaul attachment.
  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.
    Fig 7: Fixing Automatic Transmission Case Subassembly
    G05294879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.
      Fig 8: Locating Oil Pan And Gasket Bolts
      G05294751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Examine particles in the pan.
      1. Remove the 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 what type of wear you will find in the transaxle.

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

    Fig 9: Removing Magnets From Oil
    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.
    3. Remove the O-ring from the valve body oil strainer assembly.
    Fig 10: Locating Valve Body Oil Strainer Assembly Bolts
    G05294753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE TRANSMISSION WIRE 
    1. Remove the 3 bolts and disconnect the 3 clamps.
    2. Disconnect the 9 connectors from the shift solenoid valves.
      Fig 11: Identifying Transmission Wire Clamp
      G05294883Courtesy 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 12: Identifying Transmission Case Bolts
    G05294884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE TRANSMISSION VALVE BODY ASSEMBLY 
    1. Remove the bolt, the detent spring cover and detent spring.
      Fig 13: 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 14: Removing Valve Body Assembly Bolts
    G05294886Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE TRANSAXLE CASE GASKET 
    1. Remove the 3 transaxle case gaskets.
    Fig 15: Identifying Transaxle Case Gasket
    G05294887Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE BRAKE DRUM GASKET 
    1. Remove the 3 brake drum gaskets.
    Fig 16: 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 17: Identifying Check Ball Body And Spring
    G05294889Courtesy 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 piston may jump out.
  17. 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 18: Applying Compressed Air To Oil Hole
    G05294890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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 19: Blowing 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 20: Identifying B-1 Accumulator Valve And Spring
    G05294892Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE PARKING LOCK PAWL BRACKET 
    1. Remove the 3 bolts and the parking lock pawl bracket.
    Fig 21: Locating Parking Lock Pawl Bracket Bolts
    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 22: Identifying 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 23: Identifying Parking Lock Pawl Shaft E-Ring
    G05294895Courtesy 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 24: 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 25: 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 26: Removing Oil Seals
    G05294898Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE OIL PUMP ASSEMBLY 
    1. Remove the 10 bolts from the transmission case.
      Fig 27: Locating Transmission Case Bolts
      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 28: Pulling Out Oil Pump
      G05294900Courtesy 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 29: Identifying Oil Pump And O-Ring
    G05294901Courtesy 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 30: Removing 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 1 WAY NO.2 CLUTCH ASSEMBLY (See  REASSEMBLY  ) 
    Fig 31: Identifying Clutch Drum Thrust Washer, Thrust Needle Roller Bearings And Bearing Race
    G05294903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. 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 assembly.
    Fig 32: Identifying 1 Way No 2 Clutch Assembly And Clutch Drum Thrust Washer
    G05294904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. REMOVE BRAKE NO.3 SNAP RING 
    1. Using a screwdriver, remove the brake No.3 snap ring from the transmission case.
    Fig 33: Removing Brake No.3 Snap Ring From Transmission Case
    G05294905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE 2ND BRAKE DISC SET 
    1. Remove the flange, cushion plate, 4 discs and 4 plates from the transmission case.
  31. INSPECT 2ND BRAKE DISC SET (See  REASSEMBLY  ) 
    Fig 34: Identifying 2Nd Brake Disc Set
    G05294906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. REMOVE 2ND BRAKE PISTON HOLE SNAP RING 
    1. Using SST, remove the snap ring.

      SST 09350-30020 (09350-07060) 

    Fig 35: Removing Snap Ring
    G05294907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. 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 36: Identifying 1 Way Clutch Assembly Planetary Carrier Thrust Washer No.1
    G05294908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. REMOVE 2ND BRAKE CYLINDER 
    1. Remove the 2nd brake cylinder from the transmission case.
    Fig 37: Identifying Transmission Case 2Nd Brake Cylinder
    G05294909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE 2ND BRAKE PISTON 
    1. Using SST and a press, remove the snap ring.

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

    2. Remove the brake piston return spring.
      Fig 38: Removing Brake Piston Return Spring
      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 39: Applying Compressed Air To 2Nd Brake Cylinder
      G05294911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 O-rings from the 2nd brake piston.
  36. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY NO.3 (See  REASSEMBLY  ) 
    Fig 40: Identifying 2Nd Brake Piston O-Rings
    G05294912Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. REMOVE FRONT PLANETARY GEAR ASSEMBLY 
    1. Remove the front planetary gear assembly and the 1 way clutch inner race from the transmission case.
      Fig 41: Identifying Front Planetary Gear Assembly
      G04963533Courtesy 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 front planetary gear.
  38. INSPECT FRONT PLANETARY GEAR ASSEMBLY (See  REASSEMBLY  ) 
  39. INSPECT 1 WAY CLUTCH ASSEMBLY (See  REASSEMBLY  ) 
    Fig 42: Identifying Thrust Needle Roller Bearing And No. 3 Thrust Bearing Race
    G04963534Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  40. REMOVE FRONT PLANETARY RING GEAR 
    1. Remove the front planetary ring gear from the transmission case.
    Fig 43: 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 44: 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 45: Identifying Center Planetary Ring Gear And Front Planetary Ring Gear Flange
    G05294917Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. REMOVE BRAKE DISC NO.1 
    1. Remove the flange, the 3 discs and the 3 plates from the transmission case.
  43. INSPECT BRAKE DISC NO.1 (See  REASSEMBLY  ) 
    Fig 46: Identifying Brake Disc No.1
    G05294918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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 47: 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 and the brake piston No.1 with the brake cylinder No.1 from the transmission case.
  46. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (See  REASSEMBLY  ) 
    Fig 48: Identifying Brake Piston Return Spring
    G05294920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  47. 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 49: Applying Compressed Air To Brake Cylinder No 1 For Removing Brake Piston No 1
    G05294921Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  48. REMOVE BRAKE DISC NO.2 
    1. Using a screwdriver, remove the snap ring from the transmission case.
      Fig 50: Removing Brake No 2 Snap Ring From Transmission Case
      G05294922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the flange, the brake piston return spring, the 4 discs and the 4 plates from the transmission case.
  49. INSPECT BRAKE DISC NO.2 (See  REASSEMBLY  ) 
  50. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY NO.2 (See  REASSEMBLY  ) 
    Fig 51: Identifying 2 Flanges, Brake Piston Return Spring, 4 Discs And 3 Plates
    G05294923Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  51. 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 52: 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 thrust bearing race No.4 from the transmission case.
  53. INSPECT CENTER PLANETARY GEAR ASSEMBLY (See  REASSEMBLY  ) 
    Fig 53: Identifying Center Planetary Gear Assembly
    G05289904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  54. REMOVE INTERMEDIATE SHAFT 
    1. Using SST, remove the snap ring from the transmission case.

      SST 09350-30020 (09350-07060) 

      Fig 54: Removing Snap Ring From Transmission Case
      G05294926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the intermediate shaft with the 1 way No.3 clutch assembly from the transmission case.
  55. INSPECT 1 WAY NO.3 CLUTCH ASSEMBLY (See  REASSEMBLY  ) 
    Fig 55: Removing Intermediate Shaft
    G05294927Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  56. REMOVE 1 WAY NO.3 CLUTCH ASSEMBLY 
    1. Remove the 1 way No.3 clutch assembly and the 1 way clutch inner race from the intermediate shaft.
    Fig 56: 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 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.
  58. INSPECT RR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY (See  REASSEMBLY  ) 
  59. INSPECT INTERMEDIATE SHAFT (See  REASSEMBLY  ) 
    Fig 57: Identifying Rear Planetary Ring Gear Flange Sub-Assembly
    G05294929Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  60. REMOVE BRAKE PLATE STOPPER SPRING 
    1. Remove the brake plate stopper spring from the transmission case.
    Fig 58: Locating Brake Plate Stopper Spring
    G05294930Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  61. REMOVE BRAKE DISC NO.4 
    1. Remove the sleeve, 4 plates, 4 discs and flange from the transmission case.
  62. INSPECT BRAKE DISC NO.4 (See  REASSEMBLY  ) 
    Fig 59: Identifying Brake Disc No.4
    G05289910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  63. REMOVE REAR PLANETARY GEAR ASSEMBLY 
    1. Remove the rear planetary gear assembly from the transmission case.
      Fig 60: Identifying Rear Planetary Gear Assembly
      G05294932Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 thrust needle roller bearings from the rear planetary gear assembly.
      Fig 61: Identifying Thrust Needle Roller Bearings
      G05294933Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the thrust bearing race No.9 from the transmission case.
  64. INSPECT REAR PLANETARY GEAR ASSEMBLY (See  INSPECTION  ) 
    Fig 62: Identifying Transmission Case No. 9 Thrust Bearing Race
    G05289913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  65. REMOVE 1ST & 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 63: Compressing Brake Return Spring
    G05294935Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  66. INSPECT 1ST & 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 brake piston.
    Fig 64: Blowing Compressed Air Into Transmission Case
    G05294936Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  68. 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 65: Removing Brake Reaction Sleeve
    G05294937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  69. 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 66: Removing Brake Piston No.4
    G05294938Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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