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Inspection [08/2015 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY 
    1. Remove the magnets, and use them to collect steel particles.
    2. Carefully look at the foreign matter and particles in the pan and on the magnets to anticipate the type of wear you will find in the transmission.
      • Steel (magnetic): bearing, gear and clutch plate wear
      • Brass (non-magnetic): bush wear
  2. INSPECT NO. 2 1-WAY CLUTCH ASSEMBLY 
    1. Hold the reverse clutch hub and turn the 1-way clutch assembly. Check that the 1-way clutch turns freely clockwise and locks when turned counterclockwise.
      GTY125896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT REAR CLUTCH DISC 
    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 have even a little bit of damage.
      GTY127055Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  4. INSPECT REVERSE CLUTCH HUB SUB-ASSEMBLY 
    1. Using a dial indicator, measure the inside diameter of the reverse clutch hub bush.
      GTY110303Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard inside diameter

      41.912 to 41.937 mm (1.410 to 1.411 in.)

      1. If the inside diameter is greater than the standard inside diameter, replace the reverse clutch hub.
  5. INSPECT FORWARD CLUTCH HUB SUB-ASSEMBLY 
    1. Using a dial indicator, measure the inside diameter of the forward clutch hub bush.
      GTY130129Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard inside diameter

      30.200 to 30.225 mm (1.189 to 1.190 in.)

      1. If the inside diameter is greater than the standard, replace the forward clutch hub.
  6. INSPECT NO. 4 1-WAY CLUTCH ASSEMBLY 
    1. Hold the coast clutch hub and turn the 1-way clutch assembly. Check that the 1-way clutch turns freely clockwise and locks when turned counterclockwise.
      GTY110298Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSPECT FORWARD MULTIPLE DISC CLUTCH DISC 
    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.
      GTY110302Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  8. INSPECT COAST CLUTCH DISC 
    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.
      GTY130123Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  9. INSPECT FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY 
    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.
      GTY110301Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard free length

      29.65 mm (1.17 in.)

  10. INSPECT DIRECT CLUTCH DISC 
    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.
      GTY110300Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  11. INSPECT REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY 
    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.
      GTY130122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard free length

      21.24 mm (0.836 in.)

  12. INSPECT DIRECT CLUTCH RETURN SPRING SUB-ASSEMBLY 
    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.
      GTY110299Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard free length

      19.46 mm (0.766 in.)

  13. INSPECT NO. 3 BRAKE DISC 
    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.
      GTY110297Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  14. INSPECT NO. 3 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY 
    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.
      GTY130115Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard free length

      15.72 mm (0.619 in.)

  15. INSPECT FRONT PLANETARY GEAR ASSEMBLY 
    1. Using a feeler gauge, measure the front planetary pinion gear thrust clearance.
      GTY142615Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard clearance

      0.2 to 0.6 mm (0.00787 to 0.0236 in.)

      1. If the clearance is greater than the standard, replace the front planetary gear assembly.
    2. Using a cylinder gauge, measure the inside diameter of the front planetary gear bush.
      GTY110296Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard inside diameter

      61.005 to 61.030 mm (2.402 to 2.403 in.)

      1. If the inside diameter is greater than the standard, replace the front planetary gear.
  16. INSPECT 1-WAY CLUTCH ASSEMBLY 
    1. Install the 1-way clutch to the 1-way clutch inner race.
      GTY121323Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Hold the 1-way clutch inner race and turn the 1-way clutch. Check that the 1-way clutch turns freely counterclockwise and locks when turned clockwise.
    3. Remove the 1-way clutch from the 1-way clutch inner race.
  17. INSPECT NO. 1 BRAKE DISC 
    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.
      GTY130116Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  18. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY 
    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.
      GTY130117Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard free length

      17.05 mm (0.671 in.)

  19. INSPECT NO. 2 BRAKE DISC 
    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.
      GTY130113Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  20. INSPECT NO. 2 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY 
    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.
      GTY110295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard free length

      22.66 mm (0.892 in.)

  21. INSPECT CENTER PLANETARY GEAR ASSEMBLY 
    1. Using a feeler gauge, measure the center planetary gear pinion thrust clearance.
      GTY110294Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard clearance

      0.20 to 0.60 mm (0.00787 to 0.0236 in.)

      1. If the clearance is greater than the standard, replace the center planetary gear assembly.
  22. INSPECT NO. 3 1-WAY CLUTCH ASSEMBLY 
    1. Hold the rear planetary ring gear flange and turn the 1-way clutch. Check that the 1-way clutch turns freely counterclockwise and locks when turned clockwise.
      GTY110293Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. INSPECT INTERMEDIATE SHAFT 
    1. Using a dial indicator, check the intermediate shaft runout.
      GTY558777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard runout

      0.03 mm (0.00118 in.)

      If the runout is greater than the standard, replace the intermediate shaft with a new one.

    2. Using a micrometer, check the outer diameter of the intermediate shaft at the positions shown in the diagram.
      GTY132729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Diameter

      Bolt Bolt Length
      A 19.963 to 19.976 mm (0.7859 to 0.7865 in.)
      B, C 30.150 to 30.163 mm (1.187 to 1.188 in.)
      D, E 36.404 to 36.420 mm (1.433 to 1.434 in.)

      If the diameter is less than the standard, replace the intermediate shaft with a new one.

  24. INSPECT NO. 4 BRAKE DISC 
    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.
      GTY130147Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  25. INSPECT REAR PLANETARY GEAR ASSEMBLY 
    1. Using a feeler gauge, measure the rear planetary gear pinion thrust clearance.
      GTY110291Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard clearance

      0.2 to 0.6 mm (0.00787 to 0.0236 in.)

      1. If the clearance is greater than the standard, replace the planetary gear assembly.
    2. Using a dial indicator, measure the inside diameter of the rear planetary gear bush.
      GTY110292Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard inside diameter

      20.0 to 20.025 mm (0.787 to 0.788 in.)

      1. If the inside diameter is greater than the standard, replace the rear planetary gear assembly.
  26. INSPECT 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY 
    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.
      GTY110290Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard free length

      23.54 to 23.94 mm (0.927 to 0.943 in.)

  27. INSPECT INDIVIDUAL PISTON OPERATION 
    1. Check the operating sound while applying compressed air into the oil holes indicated in the illustration.
      GTY560870Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      When inspecting the direct clutch, check with the C3 accumulator piston holes indicated in the illustration.

      If there is no sound, disassemble and check the installation condition of the parts.

      1. No. 2 clutch (C2)
      2. No. 3 clutch (C3)
      3. No. 4 clutch (C4)
      4. No. 1 clutch (C1)
      5. No. 3 brake (B3)
      6. No. 1 brake (B1)
      7. No. 2 brake (B2)
      8. No. 4 brake (B4)
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