AUTOMATIC TRANSMISSION UNIT DISASSEMBLY

PROCEDURE


  1. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH

    A001CAT

    1. Remove the nut and transmission control shaft lever.

  2. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

    A001A47

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

    2. Remove the nut and lock washer.

    3. Remove the bolt and park/neutral position switch.

      Tech Tips

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

  3. REMOVE OIL COOLER TUBE UNION

    A001CDY

    1. Remove the 2 oil cooler tube unions.

    2. Remove the O-rings from the oil cooler tube unions.

  4. REMOVE NO. 1 BREATHER PLUG

    A001ESS

  5. REMOVE AUTOMATIC TRANSMISSION FLANGE YOKE ASSEMBLY

    A001FXZE01

    1. Using SST and a hammer, loosen the staked part of the nut.

      SST
      09930-00010
    2. A001BMIE01

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

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

    3. Remove SST.

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

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

    6. A001F19

      Using a screwdriver, pry out the oil seal from the flange yoke.

  6. 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 gasket.

    2. Remove the drain plug and gasket.

    3. A001DU7

      Remove the 9 bolts, oil pan and gasket.

    4. A001DH9

      Examine the 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 the type of wear which might be found in the transmission.

        Steel (magnetic): bearing, gear and plate wear

        Brass (non-magnetic): bush wear

  7. REMOVE VALVE BODY OIL STRAINER ASSEMBLY

    A001CBE

    1. Remove the 4 bolts and valve body oil strainer from the valve body.

    2. A001BFB

      Remove the O-ring from the valve body oil strainer.

  8. REMOVE TRANSMISSION VALVE BODY ASSEMBLY


    1. A001F6S

      Remove the bolt, lock plate and ATF temperature sensor.

    2. Remove the O-ring from the ATF temperature sensor.

    3. Disconnect the 8 connectors from the solenoid valves.

    4. A001EH1

      Remove the bolt, detent spring cover and detent spring.

    5. A001AVI

      Remove the 17 bolts.

    6. Remove the valve body.

    7. Disconnect the lever pin from the manual valve.

  9. REMOVE CHECK BALL BODY

    A001B0D

    1. Remove the check ball body and spring.

  10. REMOVE TRANSMISSION WIRE

    A001BU7

    1. Disconnect the 3 connectors from the 3 speed sensors.

    2. Remove the O-ring from the speed sensor NT.

    3. A001AJX

      Remove the bolt and pull out the transmission wire.

    4. Remove the O-ring from the transmission wire connector.

  11. REMOVE SPEED SENSOR

    A001EU1E05

    1. Remove the 2 bolts and 2 speed sensors NC3 and SP2.

    2. Using a T30 ''TORX'' wrench, remove the bolt and speed sensor NT.

  12. REMOVE AUTOMATIC TRANSMISSION CASE PLUG

    A001DNW

    1. Remove the plug and O-ring.

  13. REMOVE PARKING LOCK PAWL BRACKET

    A001BB7

    1. Remove the 3 bolts and parking lock pawl bracket.

  14. REMOVE PARKING LOCK ROD SUB-ASSEMBLY

    A001FFV

    1. Disconnect the parking lock rod from the manual valve lever.

  15. REMOVE PARKING LOCK PAWL SHAFT

    A001DSR

    1. Pull out the parking lock pawl shaft from the front side, then remove the lock pawl and spring.

    2. Remove the E-ring from the shaft.

  16. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY

    A0019O1

    1. Using a screwdriver and hammer, cut off the spacer and remove it from the shaft.

    2. A001AKL

      Using a pin punch and hammer, tap out the spring pin.

      Tech Tips

      Slowly tap 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.

  17. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL

    A001ADW

    1. Using a screwdriver, pry out the oil seal.

  18. REMOVE OIL PUMP ASSEMBLY

    A001ERX

    1. Remove the 11 bolts from the transmission case.

    2. A001BAS

      Pull out the oil pump.

      Note

      Do not damage the oil pump.

    3. A001FQQ

      Remove the O-ring from the oil pump.

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

    A001D4R

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

    2. Remove the thrust needle roller bearing and race.

  20. REMOVE NO. 1 BRAKE DISC SET

    A001F5K

    1. Remove the 5 plates, 5 discs and flange.

  21. INSPECT NO. 1 BRAKE DISC

    Click here

  22. REMOVE FRONT PLANETARY GEAR ASSEMBLY

    A001E5F

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

    2. A001AXJ

      Remove the 3 oil seal rings.

    3. A001ENG

      Remove the planetary carrier thrust washer.

    4. A001A1R

      Remove the 2 clutch drum oil seal rings.

    5. A001B3V

      Remove the front planetary sun gear.

  23. INSPECT FRONT PLANETARY GEAR ASSEMBLY

    Click here

  24. REMOVE NO. 3 CLUTCH DISC SET

    A0019IP

    1. Using a screwdriver, remove the hole snap ring from the overdrive direct clutch drum.

    2. A001E43

      Remove the flange, 4 discs and 4 plates from the drum.

  25. INSPECT NO. 3 CLUTCH DISC

    Click here

  26. REMOVE REVERSE CLUTCH DISC SET

    A001D0J

    1. Using a screwdriver, remove the hole snap ring from the No. 2 reverse clutch drum.

    2. A001ASI

      Remove the flange, 5 discs, 5 plates and cushion plate from the drum.

  27. INSPECT REVERSE CLUTCH DISC

    Click here

  28. REMOVE REVERSE CLUTCH PISTON

    A001E29E01

    1. Place SST on the reverse clutch balancer, and compress the return spring with a press.

      SST
      09380-50010

    2. Using SST, remove the snap ring.

      SST
      09350-30020   ( 09350-07070 )
    3. A001CLV

      Remove the reverse piston balancer and reverse clutch piston return spring from the drum.

    4. A001FO4E02
      *1 Oil Hole

      Hold the clutch piston and apply compressed air to the oil hole of the drum to remove the clutch piston.

    5. Remove the O-ring from the piston.

  29. INSPECT REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY

    Click here

  30. REMOVE REVERSE CLUTCH DRUM SUB-ASSEMBLY

    A001APC

    1. Remove the reverse clutch drum from the overdrive direct clutch drum.

      Tech Tips

      The reverse clutch drum is easier to remove if a hole snap ring is installed. Use the hole snap ring from the "REMOVE REVERSE CLUTCH DISC SET" procedure.

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

  31. REMOVE NO. 3 CLUTCH PISTON

    A001ACCE01

    1. Place SST on the reverse clutch balancer, and compress the return spring with a press.

      SST
      09380-50010

    2. Using SST, remove the snap ring.

      SST
      09350-30020   ( 09350-07070 )
    3. A001DEG

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

    4. A001AXYE02
      *1 Oil Hole

      Hold the clutch piston and apply compressed air to the oil hole of the drum to remove the clutch piston.

    5. Remove the O-ring from the balancer.

    6. Remove the O-ring from the piston.

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

  32. INSPECT OVERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY

    Click here

  33. INSPECT NO. 3 CLUTCH DRUM SUB-ASSEMBLY

    Click here

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

    A001BG3

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

    2. A001CDT

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

  35. REMOVE FORWARD MULTIPLE CLUTCH DISC SET

    A001BU0

    1. Using a screwdriver, remove the snap ring.

    2. A00196T

      Remove the flange, 6 discs, 6 plates and cushion plate.

  36. INSPECT FORWARD MULTIPLE CLUTCH DISC

    Click here

  37. REMOVE FORWARD CLUTCH PISTON

    A001CPJE01

    1. Place SST on the No. 1 clutch balancer, and compress the return spring with a press.

      SST
      09380-50010

    2. Using SST, remove the snap ring.

      SST
      09350-30020   ( 09350-07070 )
    3. A001COZ

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

    4. Remove the O-ring from the balancer.

    5. A001B2CE01
      *1 Oil Hole

      Hold the clutch piston and apply compressed air to the oil hole of the drum to remove the clutch piston.

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

  38. INSPECT FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY

    Click here

  39. INSPECT FORWARD CLUTCH DRUM SUB-ASSEMBLY

    Click here

  40. REMOVE MULTIPLE DISC CLUTCH HUB

    A001BEY

    1. Remove the clutch hub from the transmission case.

    2. Remove the thrust bearing race and thrust needle roller bearing from the transmission case.

  41. REMOVE SUN GEAR INPUT DRUM SUB-ASSEMBLY

    A001CAN

    1. Remove the sun gear input drum, thrust needle roller bearing and race from the transmission case.

  42. INSPECT SUN GEAR INPUT DRUM SUB-ASSEMBLY

    Click here

  43. REMOVE 1-WAY CLUTCH OUTER RACE WITH NO. 1 1-WAY CLUTCH

    A001D4TE03

    1. Using SST, remove the snap ring from the transmission case.

      SST
      09350-30020   ( 09350-07060 )
    2. A001D5X

      Remove the 1-way clutch outer race with 1-way clutch.

  44. REMOVE REAR PLANETARY SUN GEAR ASSEMBLY

    A0019SV

    1. Remove the sun gear and thrust bearing race from the transmission case.

  45. INSPECT REAR PLANETARY SUN GEAR ASSEMBLY

    Click here

  46. REMOVE REAR PLANETARY GEAR ASSEMBLY

    A001FO6

    1. Remove the thrust needle roller bearing, rear planetary gear assembly and thrust bearing races from the transmission case.

  47. INSPECT NO. 1 1-WAY CLUTCH

    Click here

  48. REMOVE NO. 1 1-WAY CLUTCH

    A001CSE

    1. Remove the 2 snap rings from the outer race.

  49. INSPECT REAR PLANETARY GEAR ASSEMBLY

    Click here

  50. REMOVE NO. 2 BRAKE DISC SET

    A001FE1

    1. Remove the No. 1 plate, 4 discs, 3 No. 2 plates and flange.

  51. INSPECT NO. 2 BRAKE DISC

    Click here

  52. REMOVE DIRECT CLUTCH ASSEMBLY WITH REAR PLANETARY RING GEAR AND OUTPUT SHAFT SUB-ASSEMBLY

    A00194Z

    1. Remove the 2 thrust needle bearings, 2 races, direct clutch assembly with rear planetary ring gear and output shaft from the transmission case.

  53. REMOVE REAR PLANETARY RING GEAR


    1. A001FA1

      Using needle-nose pliers, detach the snap ring and disconnect the rear planetary ring gear from the output shaft.

  54. DISCONNECT DIRECT CLUTCH ASSEMBLY

    A001CKE

    1. Disconnect the direct clutch drum from the output shaft and remove the thrust needle bearing and thrust bearing race from the output shaft.

    2. A001CKU

      Remove the 3 clutch drum oil seal rings from the output shaft.

    3. A0019AV

      Remove the 2 clutch drum oil seal rings from the direct clutch drum.

  55. REMOVE NO. 2 CLUTCH DISC SET

    A001F12

    1. Remove the snap ring and flange, 6 discs and 6 plates from the direct clutch drum.

  56. INSPECT NO. 2 CLUTCH DISC

    Click here

  57. REMOVE DIRECT CLUTCH PISTON

    A001B0HE01

    1. Place SST on the No. 2 clutch balancer, and compress the return spring with a press.

      SST
      09387-00020

    2. Using SST, remove the snap ring.

      SST
      09350-30020   ( 09350-07070 )
    3. A001FUG

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

    4. Remove the O-ring from the balancer.

    5. A001CK2E04
      *1 Oil Hole

      Hold the clutch piston and apply compressed air to the oil hole of the direct clutch drum to remove the clutch piston.

    6. Remove the O-ring from the piston.

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

  58. INSPECT DIRECT CLUTCH RETURN SPRING SUB-ASSEMBLY

    Click here

  59. REMOVE NO. 2 BRAKE PISTON

    A001BY3E04
    *1 Return Spring
    *2 Snap Ring

    1. Set SST on the brake piston return spring, tighten SST and compress the return spring.

      SST
      09380-50010

    2. Using SST, remove the snap ring and the brake return spring.

      SST
      09350-30020   ( 09350-07070 )
    3. A001DJNE04
      *1 Oil Hole

      Hold the brake piston and apply compressed air to the oil hole of the transmission case to remove the brake piston.

    4. Remove the 3 O-rings from the brake piston.

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

    Click here

  61. REMOVE AUTOMATIC TRANSMISSION REAR OIL SEAL

    A0018YEE01

    1. Using SST, tap out the oil seal.

      SST
      09308-00010

  62. REMOVE OUTPUT SHAFT REAR RADIAL BALL BEARING


    1. Using snap ring pliers, remove the snap ring from the transmission case.

    2. A0019LZE02

      Using SST, remove the bearing.

      SST
      09308-00010