AUTOMATIC TRANSMISSION UNIT DISASSEMBLY


  1. REMOVE TRANSMISSION CONTROL SHAFT LEVER RH

    A01GKDN

    1. Remove the nut and transmission control shaft lever.

  2. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

    A01GN4J

    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

    A01GNFU

    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

    A01GKZ7

  5. REMOVE AUTOMATIC TRANSMISSION FLANGE YOKE ASSEMBLY

    A01GL35E01

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

      SST
      09930-00010
    2. A01GJ8TE01

      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. A01GN7K

      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. A01GN2W

      Remove the 9 bolts, oil pan and gasket.

    4. A01GM9OE01

      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

    A01GKXI

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

    2. A01GLWT

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

  8. REMOVE TRANSMISSION VALVE BODY ASSEMBLY


    1. A01GLSS

      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. A01GHP8

      Remove the bolt, detent spring cover and detent spring.

    5. A01GKDH

      Remove the 17 bolts.

    6. Remove the valve body.

    7. Disconnect the lever pin from the manual valve.

  9. REMOVE CHECK BALL BODY

    A01GM97

    1. Remove the check ball body and spring.

  10. REMOVE TRANSMISSION WIRE

    A01GL12

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

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

    3. A01GHTQ

      Remove the bolt and pull out the transmission wire.

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

  11. REMOVE SPEED SENSOR

    A01GIUFE01

    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

    A01GM1L

    1. Remove the plug and O-ring.

  13. REMOVE PARKING LOCK PAWL BRACKET

    A01GMYA

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

  14. REMOVE PARKING LOCK ROD SUB-ASSEMBLY

    A01GJFWE01

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

  15. REMOVE PARKING LOCK PAWL SHAFT

    A01GLKLE01

    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

    A01GHVU

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

    2. A01GO0T

      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

    A01GMOJ

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

  18. REMOVE OIL PUMP ASSEMBLY

    A01GND0

    1. Remove the 11 bolts from the transmission case.

    2. A01GNT5

      Pull out the oil pump.

      Note

      Do not damage the oil pump.

    3. A01GNSN

      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

    A01GLYO

    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

    A01GNXF

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

  21. INSPECT NO. 1 BRAKE DISC

    A01GNP6

    1. Replace all discs if one of the following problems is present: 1) a disc, plate or flange is worn or burnt; 2) the lining of a disc is peeled off or discolored; or 3) grooves or printed numbers have even a little bit of damage.

      Note

      Before assembling new discs, soak them in ATF for at least 2 hours.

  22. REMOVE FRONT PLANETARY GEAR ASSEMBLY

    A01GMBK

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

    2. A01GL6K

      Remove the 3 oil seal rings.

    3. A01GNZ9

      Remove the planetary carrier thrust washer.

    4. A01GHL4

      Remove the 2 clutch drum oil seal rings.

    5. A01GM4Q

      Remove the front planetary sun gear.

  23. INSPECT FRONT PLANETARY GEAR ASSEMBLY

    A01GM4V

    1. Using a feeler gauge, measure the front planetary gear pinion thrust clearance.

      Standard clearance
      0.2 to 0.6 mm (0.008 to 0.024 in.)

      If the clearance is not as specified, replace the front planetary gear assembly.

  24. REMOVE NO. 3 CLUTCH DISC SET

    A01GMPU

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

    2. A01GNTP

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

  25. INSPECT NO. 3 CLUTCH DISC

    A01GI1M

    1. Replace all discs if one of the following problems is present: 1) a disc, plate or flange is worn or burnt; 2) the lining of a disc is peeled off or discolored; or 3) grooves or printed numbers have even a little bit of damage.

      Note

      Before assembling new discs, soak them in ATF for at least 2 hours.

  26. REMOVE REVERSE CLUTCH DISC SET

    A01GL78

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

    2. A01GJ5B

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

  27. INSPECT REVERSE CLUTCH DISC

    A01GNI1

    1. Replace all discs if one of the following problems is present: 1) a disc, plate or flange is worn or burnt; 2) the lining of a disc is peeled off or discolored; or 3) grooves or printed numbers have even a little bit of damage.

      Note

      Before assembling new discs, soak them in ATF for at least 2 hours.

  28. REMOVE REVERSE CLUTCH PISTON

    A01GL80E01

    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. A01GLB3

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

    4. A01GLSVE01

      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

    A01GL6W

    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.

      Standard free length
      22.21 mm (0.8744 in.)

      If the free length is shorter than the standard free length, replace the reverse clutch return spring sub-assembly.

  30. REMOVE REVERSE CLUTCH DRUM SUB-ASSEMBLY

    A01GM1K

    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

    A01GNPOE01

    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. A01GHRA

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

    4. A01GKQ5E01

      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

    A01GI6A

    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.

      Standard free length
      21.09 mm (0.8303 in.)

      If the free length is shorter than the standard free length, replace the forward clutch return spring sub-assembly.

  33. INSPECT NO. 3 CLUTCH DRUM SUB-ASSEMBLY

    A01GNR3

    1. Using a caliper gauge, measure the inside diameter of the overdrive and reverse multiple disc clutch drum bush.

      Standard inside diameter for front side
      67.40 to 67.44 mm (2.6535 to 2.6551 in.)
      Standard inside diameter for rear side
      55.62 to 55.64 mm (2.1898 to 2.1905 in.)

      If the inside diameter is not as specified, replace the overdrive and reverse multiple disc clutch drum.

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

    A01GMJ7

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

    2. A01GLRS

      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

    A01GLP1

    1. Using a screwdriver, remove the snap ring.

    2. A01GJM9

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

  36. INSPECT FORWARD MULTIPLE CLUTCH DISC

    A01GN4N

    1. Replace all discs if one of the following problems is present: 1) a disc, plate or flange is worn or burnt; 2) the lining of a disc is peeled off or discolored; or 3) grooves or printed numbers have even a little bit of damage.

      Note

      Before assembling new discs, soak them in ATF for at least 2 hours.

  37. REMOVE FORWARD CLUTCH PISTON

    A01GL2PE01

    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. A01GIRJ

      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. A01GHJBE01

      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

    A01GMJH

    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.

      Standard free length
      20.82 mm (0.8197 in.)

      If the free length is shorter than the standard free length, replace the forward clutch return spring sub-assembly.

  39. INSPECT FORWARD CLUTCH DRUM SUB-ASSEMBLY

    A01GK3C

    1. Using a caliper gauge, measure the inside diameter of the forward clutch drum bush.

      Standard inside diameter
      33.200 to 33.225 mm (1.3071 to 1.3081 in.)

      If the inside diameter is not as specified, replace the forward clutch drum sub-assembly.

  40. REMOVE MULTIPLE DISC CLUTCH HUB

    A01GKNW

    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

    A01GHZP

    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

    A01GLDC

    1. Using a caliper gauge, measure the inside diameter of the sun gear input drum bush.

      Standard inside diameter
      45.075 to 45.100 mm (1.7746 to 1.7756 in.)

      If the inside diameter is not as specified, replace the sun gear input drum sub-assembly.

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

    A01GK35E01

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

      SST
      09350-30020   ( 09350-07060 )
    2. A01GKA0

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

  44. REMOVE REAR PLANETARY SUN GEAR ASSEMBLY

    A01GN8F

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

  45. INSPECT REAR PLANETARY SUN GEAR ASSEMBLY

    A01GM6P

    1. Using a caliper gauge, measure the inside diameter of the rear planetary sun gear bush.

      Standard inside diameter
      28.700 to 28.721 mm (1.1299 to 1.1307 in.)

      If the inside diameter is not as specified, replace the rear planetary sun gear assembly.

  46. REMOVE REAR PLANETARY GEAR ASSEMBLY

    A01GMVQ

    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

    A01GNVCE01

    1. Set the 1-way clutch to the rear planetary gear.

    2. Hold the rear planetary gear assembly and turn the 1-way clutch.

    3. Check that the 1-way clutch turns freely counterclockwise and locks clockwise.

      If there is a problem with the 1-way clutch, replace it.

  48. REMOVE NO. 1 1-WAY CLUTCH

    A01GJ8B

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

  49. INSPECT REAR PLANETARY GEAR ASSEMBLY

    A01GO0U

    1. Using a feeler gauge, measure the rear planetary gear pinion long and short thrust clearance.

      Standard clearance
      0.2 to 0.6 mm (0.008 to 0.024 in.)

      If the clearance is not as specified, replace the rear planetary gear assembly.

    2. A01GMDD

      Using a caliper gauge, measure the inside diameter of the rear planetary gear bush.

      Standard inside diameter for front side
      71.60 to 71.63 mm (2.8189 to 2.8201 in.)
      Standard inside diameter for rear side
      28.700 to 28.721 mm (1.1299 to 1.1307 in.)

      If the inside diameter is not as specified, replace the rear planetary gear assembly.

  50. REMOVE NO. 2 BRAKE DISC SET

    A01GJJJ

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

  51. INSPECT NO. 2 BRAKE DISC

    A01GMS9

    1. Replace all discs if one of the following problems is present: 1) a disc, plate or flange is worn or burnt; 2) the lining of a disc is peeled off or discolored; or 3) grooves or printed numbers have even a little bit of damage.

      Note

      Before assembling new discs, soak them in ATF for at least 2 hours.

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

    A01GKSR

    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. A01GL6Q

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

  54. DISCONNECT DIRECT CLUTCH ASSEMBLY

    A01GLJ0

    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. A01GNKL

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

    3. A01GN16

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

  55. REMOVE NO. 2 CLUTCH DISC SET

    A01GJXZ

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

  56. INSPECT NO. 2 CLUTCH DISC

    A01GN3S

    1. Replace all discs if one of the following problems is present: 1) a disc, plate or flange is worn or burnt; 2) the lining of a disc is peeled off or discolored; or 3) grooves or printed numbers have even a little bit of damage.

      Note

      Before assembling new discs, soak them in ATF for at least 2 hours.

  57. REMOVE DIRECT CLUTCH PISTON

    A01GHW9E01

    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. A01GKQD

      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. A01GI84E01

      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

    A01GJK4

    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.

      Standard free length
      20.76 mm (0.8173 in.)

      If the free length is shorter than the standard free length, replace the direct clutch return spring sub-assembly.

  59. REMOVE NO. 2 BRAKE PISTON

    A01GHR9E01

    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. A01GMX1E01

      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

    A01GLA5

    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.

      Standard free length
      23.36 mm (0.9197 in.)

      If the free length is shorter than the standard free length, replace the 2nd brake piston return spring sub-assembly.

  61. REMOVE AUTOMATIC TRANSMISSION REAR OIL SEAL

    A01GK1OE01

    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. A01GI96E01

      Using SST, remove the bearing.

      SST
      09308-00010