AUTOMATIC TRANSMISSION UNIT(for 8AR-FTS) DISASSEMBLY

PROCEDURE


  1. SECURE AUTOMATIC TRANSMISSION ASSEMBLY


    1. A01MYDO

      Install the automatic transmission assembly to an overhaul attachment.

  2. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH


    1. B003UUV

      Remove the nut, spring washer and transmission control shaft lever RH from the manual valve lever shaft.

    2. A001K34

      Remove the manual valve lever shaft spacer from the transmission control shaft lever RH.

    3. A001JQP

      Remove the grommet from the transmission control shaft lever RH.

  3. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY


    1. B003TAHC04
      *1 Lock Washer
      *2 Lock Nut

      Using a screwdriver, bend back the tabs of the lock washer.

    2. Remove the lock nut and lock washer from the park/neutral position switch assembly.

    3. A01MYCT

      Remove the bolt and park/neutral position switch assembly from the automatic transmission case sub-assembly.

      Tech Tips

      Make sure that the manual valve lever shaft has not been rotated prior to installing the park/neutral position switch assembly as the detent spring may become detached from the manual valve lever shaft.

  4. REMOVE TRANSMISSION OIL COOLER


    1. B003WLL

      Remove the 3 bolts and transmission oil cooler from the automatic transmission case sub-assembly.

    2. B003TQ3C02
      *1 O-ring

      Remove the 2 O-rings from the transmission oil cooler.

  5. REMOVE BREATHER PLUG HOSE


    1. A001KNF

      Remove the breather plug hose from the automatic transmission case sub-assembly.

    2. Remove the O-ring from the breather plug hose.

  6. REMOVE AUTOMATIC TRANSMISSION FLANGE YOKE ASSEMBLY


    1. B003V33N02

      Using SST and a hammer, release the staked part of the lock nut.

      SST
      09930-00010

      Note


      • Use SST with the tapered part facing the shaft.

      • Do not modify the tip of SST with a grinder or other device.

      • Completely release the staked part of the lock nut before removing it.

      • Do not damage the threads of the shaft.

    2. B003V3UC02
      *a Hold
      B003UAS Turn

      Using SST and a 30 mm deep socket wrench, remove the lock nut.

      SST
      09330-00021
      09950-30012   ( 09955-03040 )

    3. Remove SST.

    4. Tap the automatic transmission flange yoke assembly with a plastic-faced hammer to remove it.

    5. Remove the 2 rear No. 1 output shaft bearing spacers and rear cover sleeve.

    6. B003WGA

      Using a screwdriver, remove the oil seal from the automatic transmission flange yoke assembly.

      Note

      Do not damage the automatic transmission flange yoke assembly.

      Tech Tips

      Tape the screwdriver tip before use.

  7. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY

    Note

    Do not turn the automatic transmission assembly upside down as this may cause the transmission valve body assembly to be contaminated with foreign matter in the bottom of the automatic transmission oil pan sub-assembly.


    1. Remove the overflow plug and gasket.

    2. Remove the drain plug and gasket.

    3. B003WNI

      Remove the 9 bolts, automatic transmission oil pan sub-assembly and automatic transmission oil pan gasket.

    4. B003WPEC05
      *1 Transmission Oil Cleaner Magnet

      Remove the 3 transmission oil cleaner magnets from the automatic transmission oil pan sub-assembly.

    5. Examine the particles in the automatic transmission oil pan sub-assembly.


      1. Use the removed transmission oil cleaner magnets to collect any steel chips. Examine the chips and particles in the automatic transmission oil pan sub-assembly and on the transmission oil cleaner magnets to determine what type of wear might be found in the automatic transmission assembly.

        Result
        Steel (magnetic):
        Bearing, gear and clutch plate wear
        Brass (non-magnetic):
        Bushing wear

  8. REMOVE VALVE BODY OIL STRAINER ASSEMBLY

    Click here

  9. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

    Click here

  10. REMOVE TRANSMISSION WIRE


    1. A001K4A

      Disconnect the 3 transmission revolution sensor connectors.

    2. A001L53

      Remove the bolt and transmission wire.

    3. A001K55

      Remove the bolt and valve body wire harness clamp from the automatic transmission case sub-assembly.

  11. REMOVE TRANSMISSION REVOLUTION SENSOR (NC3)

    B003X0HC01
    *1 Transmission Revolution Sensor (NC3)

    1. Remove the bolt and transmission revolution sensor (NC3) from the automatic transmission case sub-assembly.

  12. REMOVE TRANSMISSION REVOLUTION SENSOR (SP2)

    B003UUDC01
    *1 Transmission Revolution Sensor (SP2)

    1. Remove the bolt and transmission revolution sensor (SP2) from the automatic transmission case sub-assembly.

  13. REMOVE TRANSMISSION REVOLUTION SENSOR (NT)

    B003TFMC01
    *1 Transmission Revolution Sensor (NT)

    1. Using a T30 ''TORX'' socket wrench, remove the bolt and transmission revolution sensor (NT) from the automatic transmission case sub-assembly.

  14. REMOVE AUTOMATIC TRANSMISSION CASE PLUG


    1. B003UAA

      Using a 17 mm hexagon socket wrench, remove the automatic transmission case plug and O-ring from the automatic transmission case sub-assembly.

  15. REMOVE PARKING LOCK PAWL BRACKET


    1. B003UCS

      Remove the 3 bolts and parking lock pawl bracket.

  16. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY


    1. B003X9SC01
      *a Protective Tape

      Using a screwdriver and hammer, cut off the spacer and remove it from the manual valve lever shaft.

      Note

      Be careful not to damage the manual valve lever shaft.

      Tech Tips

      Tape the screwdriver tip before use.

    2. B003W7K

      Using a 3 mm pin punch and a hammer, remove the spring pin.

      Tech Tips

      Slowly tap out the spring pin so that it does not fall into the automatic transmission case sub-assembly.

    3. Remove the manual valve lever shaft and manual valve lever sub-assembly from the automatic transmission case sub-assembly.

  17. REMOVE PARKING LOCK ROD SUB-ASSEMBLY


    1. B003TZWC01
      *1 Manual Valve Lever Sub-assembly
      *2 Parking Lock Rod Sub-assembly

      Remove the parking lock rod sub-assembly from the manual valve lever sub-assembly.

  18. REMOVE PARKING LOCK PAWL SHAFT

    B003W9BC01
    *1 Parking Lock Pawl
    *2 Parking Lock Pawl Shaft
    *3 Spring
    *4 E-ring

    1. Remove the parking lock pawl shaft, parking lock pawl and spring.

    2. Remove the E-ring from the parking lock pawl shaft.

  19. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL


    1. B003UHCC02
      *a Protective Tape

      Using a screwdriver, remove the manual valve lever shaft oil seal from the automatic transmission case sub-assembly.

      Note

      Be careful not to damage the automatic transmission case sub-assembly.

      Tech Tips

      Tape the screwdriver tip before use.

  20. REMOVE OIL PUMP ASSEMBLY

    A001L8S

    1. Remove the 11 bolts from the automatic transmission case sub-assembly.

    2. A01MX9B

      Remove the oil pump assembly.

      Note

      Be careful not to damage the oil pump assembly.

    3. B003W86C01
      *1 Oil Pump Assembly
      *2 Oil Pump O-ring

      Remove the oil pump O-ring from the oil pump assembly.

  21. REMOVE OVERDRIVE AND REVERSE MULTIPLE DISC CLUTCH ASSEMBLY AND FRONT PLANETARY GEAR ASSEMBLY WITH NO. 1 BRAKE DISC SET

    B003WF9C01
    *1 Thrust Needle Roller Bearing
    *2 Thrust Bearing Race

    1. Remove the overdrive and reverse multiple disc clutch assembly and front planetary gear assembly with No. 1 brake disc set from the automatic transmission case sub-assembly.

    2. Remove the thrust needle roller bearing and thrust bearing race.

  22. REMOVE NO. 1 BRAKE DISC


    1. B003V1XC01
      *1 No. 1 Brake Plate
      *2 No. 1 Brake Disc
      *3 No. 1 Brake Flange

      Remove the 4 No. 1 brake plates, 4 No. 1 brake discs and No. 1 brake flange.

  23. INSPECT NO. 1 BRAKE DISC

    Click here

  24. REMOVE FRONT PLANETARY GEAR ASSEMBLY


    1. B003UJ6C01
      *1 Front Planetary Gear Assembly

      Remove the front planetary gear assembly with the planetary sun gear from the overdrive and reverse multiple disc clutch assembly.

    2. B003T0RC01
      *1 Planetary Sun Gear

      Remove the planetary sun gear from the front planetary gear assembly.

    3. B003WRWC01
      *1 Front Planetary Gear Shaft Snap Ring

      Remove the 3 front planetary gear shaft snap rings from the front planetary gear assembly.

    4. B003V8ZC01
      *1 Planetary Carrier Thrust Washer

      Remove the planetary carrier thrust washer from the front planetary gear assembly.

    5. B003U9QC01
      *1 Front Planetary Gear Shaft Snap Ring

      Remove the 2 front planetary gear shaft snap rings from the front planetary gear assembly.

    6. B003VKKC01
      *1 Front Planetary Gear Thrust Needle Roller Bearing

      Remove the front planetary gear thrust needle roller bearing from the front planetary gear assembly.

  25. INSPECT FRONT PLANETARY GEAR ASSEMBLY

    Click here

  26. REMOVE NO. 3 CLUTCH DISC


    1. B003UT2C02
      *a Protective Tape

      Using a screwdriver, remove the snap ring from the overdrive direct clutch drum sub-assembly.

      Note

      Be careful not to damage the overdrive direct clutch drum sub-assembly.

      Tech Tips

      Tape the screwdriver tip before use.

    2. B003UIHC01
      *1 No. 3 Clutch Flange
      *2 No. 3 Clutch Disc
      *3 No. 3 Clutch Plate

      Remove the No. 3 clutch flange, 4 No. 3 clutch discs and 4 No. 3 clutch plates from the overdrive direct clutch drum sub-assembly.

  27. INSPECT NO. 3 CLUTCH DISC

    Click here

  28. REMOVE REVERSE CLUTCH DISC


    1. B003WMGC02
      *a Protective Tape

      Using a screwdriver, remove the snap ring from the reverse clutch drum sub-assembly.

      Note

      Be careful not to damage the reverse clutch drum sub-assembly.

      Tech Tips

      Tape the screwdriver tip before use.

    2. B003TI9C01
      *1 Reverse Clutch Flange
      *2 Reverse Clutch Disc
      *3 Reverse Clutch Plate

      Remove the reverse clutch flange, 5 reverse clutch discs and 5 reverse clutch plates from the reverse clutch drum sub-assembly.

  29. INSPECT REVERSE CLUTCH DISC

    Click here

  30. REMOVE REVERSE CLUTCH PISTON

    B003X31N01

    1. Place SST on the reverse clutch balancer, and compress the reverse clutch return spring sub-assembly using a press.

      SST
      09380-50010   ( 09381-05010 )

    2. Using SST, remove the snap ring.

      SST
      09350-30020   ( 09350-07070 )
    3. B003WW1C01
      *1 Reverse Clutch Balancer
      *2 Reverse Clutch Return Spring Sub-assembly

      Remove the reverse clutch balancer and reverse clutch return spring sub-assembly from the reverse clutch drum sub-assembly.

    4. B003VCXC01
      *1 Reverse Clutch Piston
      *a Oil Hole

      While holding the overdrive direct clutch drum sub-assembly, apply compressed air to the oil hole to remove the reverse clutch piston.

    5. Remove the O-ring from the reverse clutch piston.

  31. INSPECT REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY

    Click here

  32. REMOVE REVERSE CLUTCH DRUM SUB-ASSEMBLY

    B003X8PC01
    *1 Snap Ring
    *2 Reverse Clutch Drum Sub-assembly

    1. Remove the reverse clutch drum sub-assembly from the overdrive direct clutch drum sub-assembly.

      Tech Tips

      If the reverse clutch drum sub-assembly is difficult to remove, reinstall the snap ring for the reverse clutch discs.

    2. Remove the 3 O-rings from the reverse clutch drum sub-assembly.

  33. REMOVE OVERDRIVE DIRECT CLUTCH PISTON SUB-ASSEMBLY

    B003WNAN01

    1. Place SST on the No. 3 clutch balancer, and compress the overdrive clutch return spring sub-assembly using a press.

      SST
      09380-50010   ( 09381-05010 )

    2. Using SST, remove the snap ring.

      SST
      09350-30020   ( 09350-07070 )
    3. B003WV0C02
      *1 No. 3 Clutch Balancer
      *2 Overdrive Clutch Return Spring Sub-assembly

      Remove the No. 3 clutch balancer and overdrive clutch return spring sub-assembly.

    4. Remove the O-ring from the No. 3 clutch balancer.

    5. B003WJSC01
      *1 Overdrive Direct Clutch Piston Sub-assembly
      *a Oil Hole

      While holding the overdrive direct clutch drum sub-assembly, apply compressed air to the oil hole to remove the overdrive direct clutch piston sub-assembly from the overdrive direct clutch drum sub-assembly.

    6. Remove the O-ring from the overdrive direct clutch piston sub-assembly.

    7. Remove the O-ring from the overdrive direct clutch drum sub-assembly.

  34. INSPECT OVERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY

    Click here

  35. INSPECT OVERDRIVE DIRECT CLUTCH DRUM SUB-ASSEMBLY

    Click here

  36. REMOVE FORWARD MULTIPLE DISC CLUTCH ASSEMBLY WITH FRONT PLANETARY RING GEAR


    1. B003T1QC01
      *1 Forward Multiple Disc Clutch Assembly with Front Planetary Ring Gear
      *2 Thrust Needle Roller Bearing
      *3 Thrust Bearing Race

      Remove the forward multiple disc clutch assembly with front planetary ring gear, thrust needle roller bearing and thrust bearing race from the automatic transmission case sub-assembly.

  37. REMOVE FRONT PLANETARY RING GEAR


    1. B003URUC01
      *1 Front Planetary Ring Gear
      *2 Snap Ring
      *3 Forward Multiple Disc Clutch Assembly

      Using needle-nose pliers, remove the front planetary ring gear and snap ring from the forward multiple disc clutch assembly.

  38. REMOVE FORWARD MULTIPLE CLUTCH DISC


    1. B003URIC01
      *1 Protective Tape

      Using a screwdriver, remove the snap ring from the forward clutch drum sub-assembly.

      Note

      Be careful not to damage the forward multiple disc clutch assembly.

      Tech Tips

      Tape the screwdriver tip before use.

    2. B003WQZC01
      *1 Forward Clutch Flange
      *2 Forward Multiple Clutch Disc
      *3 Forward Multiple Clutch Plate

      Remove the forward clutch flange, 5 forward multiple clutch discs and 5 forward multiple clutch plates from the forward clutch drum sub-assembly.

  39. INSPECT FORWARD MULTIPLE CLUTCH DISC

    Click here

  40. REMOVE FORWARD CLUTCH PISTON


    1. B003TH9N03

      Place SST on the No. 1 clutch balancer, and compress the forward clutch return spring sub-assembly using a press.

      SST
      09380-50010   ( 09381-05010 )

    2. Using SST, remove the snap ring.

      SST
      09350-30020   ( 09350-07070 )
    3. B003W15C01
      *1 No. 1 Clutch Balancer
      *2 Forward Clutch Return Spring Sub-assembly

      Remove the No. 1 clutch balancer and forward clutch return spring sub-assembly from the forward clutch drum sub-assembly.

    4. Remove the O-ring from the No. 1 clutch balancer.

    5. B003WN1C01
      *1 Forward Clutch Piston
      *a Oil Hole

      While holding the forward clutch drum sub-assembly, apply compressed air to the oil hole to remove the forward clutch piston.

    6. Remove the 2 O-rings from the forward clutch piston.

  41. INSPECT FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY

    Click here

  42. INSPECT FORWARD CLUTCH DRUM SUB-ASSEMBLY

    Click here

  43. REMOVE MULTIPLE DISC CLUTCH HUB


    1. B003UZDC01
      *1 Multiple Disc Clutch Hub
      *2 Thrust Bearing Race
      *3 Thrust Needle Roller Bearing

      Remove the multiple disc clutch hub from the automatic transmission case sub-assembly.

    2. Remove the thrust bearing race and thrust needle roller bearing from the automatic transmission case sub-assembly.

  44. REMOVE SUN GEAR INPUT DRUM SUB-ASSEMBLY


    1. B003WOHC01
      *1 Sun Gear Input Drum Sub-assembly
      *2 Thrust Needle Roller Bearing
      *3 Thrust Bearing Race

      Remove the sun gear input drum sub-assembly, thrust needle roller bearing and thrust bearing race from the automatic transmission case sub-assembly.

  45. INSPECT SUN GEAR INPUT DRUM SUB-ASSEMBLY

    Click here

  46. REMOVE REAR PLANETARY SUN GEAR SUB-ASSEMBLY


    1. B003VWXC01
      *1 Rear Planetary Sun Gear Sub-assembly
      *2 Thrust Bearing Race

      Remove the rear planetary sun gear sub-assembly and thrust bearing race from the automatic transmission case sub-assembly.

  47. INSPECT REAR PLANETARY SUN GEAR SUB-ASSEMBLY

    Click here

  48. REMOVE ONE-WAY CLUTCH OUTER RACE WITH NO. 1 ONE-WAY CLUTCH

    B003SWHN01

    1. Using SST, remove the snap ring from the automatic transmission case sub-assembly.

      SST
      09350-30020   ( 09350-07060 )
    2. B003TA9C01
      *1 Thrust Needle Roller Bearing
      *2 One-way Clutch Outer Race with No. 1 One-way Clutch
      *3 Rear Planetary Gear Assembly
      *4 Thrust Bearing Race

      Remove the thrust needle roller bearing, rear planetary gear assembly, one-way clutch outer race with No. 1 one-way clutch and thrust bearing race from the automatic transmission case sub-assembly.

    3. B003WE4C02
      *1 One-way Clutch Outer Race with No. 1 One-way Clutch
      *2 Rear Planetary Gear Assembly

      Remove the one-way clutch outer race with No. 1 one-way clutch from the rear planetary gear assembly.

  49. INSPECT NO. 1 ONE-WAY CLUTCH

    Click here

  50. REMOVE NO. 1 ONE-WAY CLUTCH


    1. B003T1FC01
      *1 Snap Ring
      *2 No. 1 One-way Clutch
      *3 One-way Clutch Outer Race

      Remove the 2 snap rings and No. 1 one-way clutch from the one-way clutch outer race.

  51. INSPECT REAR PLANETARY GEAR ASSEMBLY

    Click here

  52. REMOVE NO. 2 BRAKE DISC


    1. B003TMJC01
      *1 Brake Plate
      *2 No. 2 Brake Disc
      *3 No. 2 Brake Plate
      *4 No. 2 Brake Flange

      Remove the brake plate, 4 No. 2 brake discs, 3 No. 2 brake plates and No. 2 brake flange from the automatic transmission case sub-assembly.

  53. INSPECT NO. 2 BRAKE DISC

    Click here

  54. REMOVE MULTIPLE DISC CLUTCH ASSEMBLY WITH REAR PLANETARY RING GEAR AND OUTPUT SHAFT SUB-ASSEMBLY


    1. B003WO4C01
      *1 Thrust Needle Roller Bearing
      *2 Thrust Bearing Race

      Remove the 2 thrust needle roller bearings, 2 thrust bearing races and multiple disc clutch assembly with rear planetary ring gear and output shaft sub-assembly from the automatic transmission case sub-assembly.

  55. REMOVE REAR PLANETARY RING GEAR


    1. B003VMIC01
      *1 Rear Planetary Ring Gear
      *2 Snap Ring

      Using needle-nose pliers, remove the snap ring and rear planetary ring gear from the output shaft sub-assembly.

  56. REMOVE MULTIPLE DISC CLUTCH ASSEMBLY


    1. B003UZHC01
      *1 Multiple Disc Clutch Assembly
      *2 Thrust Needle Roller Bearing
      *3 Thrust Bearing Race
      *4 Output Shaft Sub-assembly

      Remove the multiple disc clutch assembly from the output shaft sub-assembly.

    2. Remove the thrust needle roller bearing and thrust bearing race from the multiple disc clutch assembly.

    3. B003T5XC01
      *1 Oil Seal Ring

      Remove the 3 oil seal rings from the output shaft sub-assembly.

    4. B003VJEC01
      *1 Oil Seal Ring

      Remove the 2 oil seal rings from the multiple disc clutch assembly.

  57. REMOVE NO. 2 CLUTCH DISC


    1. B003TOJC01
      *a Protective Tape

      Using a screwdriver, remove the snap ring from the direct clutch drum sub-assembly.

      Note

      Be careful not to damage the direct clutch drum sub-assembly.

      Tech Tips

      Tape the screwdriver tip before use.

    2. B003WC3C01
      *1 No. 2 Clutch Flange
      *2 No. 2 Clutch Disc
      *3 No. 2 Clutch Plate

      Remove the No. 2 clutch flange, 5 No. 2 clutch discs and 5 No. 2 clutch plates from the direct clutch drum sub-assembly.

  58. INSPECT NO. 2 CLUTCH DISC

    Click here

  59. REMOVE DIRECT CLUTCH PISTON

    B003VBVN02

    1. Place SST on the No. 2 clutch balancer, and compress the direct clutch return spring sub-assembly using a press.

      SST
      09387-00020

    2. Using SST, remove the snap ring.

      SST
      09350-30020   ( 09350-07070 )
    3. B003X8RC01
      *1 No. 2 Clutch Balancer
      *2 Direct Clutch Return Spring Sub-assembly

      Remove the No. 2 clutch balancer and direct clutch return spring sub-assembly from the direct clutch drum sub-assembly.

    4. Remove the O-ring from the No. 2 clutch balancer.

    5. B003TU4C01
      *1 Direct Clutch Piston
      *a Oil Hole

      While holding the direct clutch piston, apply compressed air to the oil hole of the direct clutch drum sub-assembly to remove the direct clutch piston.

    6. Remove the O-ring from the direct clutch piston.

    7. Remove the O-ring from the direct clutch drum sub-assembly.

  60. INSPECT DIRECT CLUTCH RETURN SPRING SUB-ASSEMBLY

    Click here

  61. REMOVE NO. 2 BRAKE PISTON


    1. B003X9ZC01
      *1 Snap Ring
      *2 2nd Brake Piston Return Spring Sub-assembly

      Set SST on the 2nd brake piston return spring sub-assembly and tighten SST to compress the 2nd brake piston return spring sub-assembly.

      SST
      09380-60011   ( 09381-05040, 09381-05050, 09381-06030, 09381-06040, 09381-06080, 09381-06120, 09381-06130 )

    2. Using SST, remove the snap ring and the 2nd brake piston return spring sub-assembly.

      SST
      09350-30020   ( 09350-07070 )
    3. B003XACC01
      *a Oil Hole

      Apply compressed air to the oil hole of the automatic transmission case sub-assembly to remove the No. 2 brake piston from the automatic transmission case sub-assembly.

    4. Remove the 3 O-rings from the No. 2 brake piston.

  62. INSPECT 2ND BRAKE PISTON RETURN SPRING SUB-ASSEMBLY

    Click here

  63. REMOVE BRAKE PLATE STOPPER SPRING


    1. Remove the 2 brake plate stopper springs.

  64. REMOVE AUTOMATIC TRANSMISSION REAR OIL SEAL


    1. B003UWVC01
      *1 Automatic Transmission Rear Oil Seal

      Using SST, remove the automatic transmission rear oil seal.

      SST
      09308-00010

  65. REMOVE OUTPUT SHAFT REAR RADIAL BALL BEARING


    1. Using snap ring pliers, remove the snap ring from the automatic transmission case sub-assembly.

    2. B003VN9C02
      *a Hold
      B003UAS Turn

      Using SST, remove the output shaft rear radial ball bearing.

      SST
      09612-65014   ( 09612-01060 )