БЛОК АВТОМАТИЧЕСКОЙ ТРАНСМИССИИ (для моделей с 2KD-FTV) ПРОВЕРКА


  1. INSPECT EXTENSION HOUSING SUB-ASSEMBLY


    1. A01BATM

      Using a cylinder gauge, measure the inside diameter of the extension housing bushing.

      Maximum inside diameter
      40.03 mm (1.5760 in.)

      If the inside diameter is greater than the maximum, replace the extension housing.

  2. INSPECT AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY


    1. A01BER6

      Remove the oil cleaner magnets, and use them to collect steel particles.

      Carefully lock at the foreign matter and particles in the pan and on the oil cleaner magnets to anticipate the type of wear you will find in the transmission.

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

  3. INSPECT FRONT PLANETARY GEAR SUB-ASSEMBLY


    1. A01BDKA

      Using a dial indicator, measure the inside diameter of the planetary ring gear bushing.

      Maximum inside diameter
      24.65 mm (0.9705 in.)

      If the inside diameter is greater than the maximum, replace the planetary ring gear.

  4. INSPECT PLANETARY PINION GEAR THRUST CLEARANCE


    1. A01BBP7

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

      Standard clearance
      0.20 - 0.60 mm (0.0079 - 0.0236 in.)
      Maximum clearance
      0.65 mm (0.0256 in.)

      If the clearance is greater than the maximum, replace the planetary gear assembly.

  5. INSPECT PACK CLEARANCE OF SECOND BRAKE


    1. A01BBCB

      Using a feeler gauge, measure the clearance between the snap ring and the flange.

      Clearance
      0.62 to 1.98 mm (0.0244 to 0.0780 in.)

      If the clearance is outside the standard, check for an improper installation.

  6. INSPECT 1ST AND REVERSE BRAKE CLUTCH DISK


    1. A01BEPDE02

      Check if the sliding surfaces of the disc, the plate and the flange are worn or burnt. If necessary, replace them.

      Tech Tips


      • If the lining of the disc is peeled off or discolored, or even if only a part of the printed numbers is corroded, replace all discs.

      • Before assembling new discs, soak them in ATF for at least 15 minutes.

  7. INSPECT PISTON STROKE OF 1ST AND REVERSE BRAKE


    1. A01BBIL

      Make sure the 1st and reverse brake pistons move smoothly when applying and releasing the compressed air into the transmission case.

  8. INSPECT 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY


    1. A01BGSDE02

      Check the return spring free length together with the spring seat.

      Standard free length
      12.9 mm (0.508 in.)

  9. INSPECT AUTOMATIC TRANSMISSION CASE SUB-ASSEMBLY


    1. A01BB7Z

      Using a cylinder gauge, measure the inside diameter of the transmission case rear bushing.

      Maximum inside diameter
      38.19 mm (1.5035 in.)

      If the inside diameter is greater than the maximum, replace the transmission case.

  10. INSPECT PISTON STROKE OF 1ST AND REVERSE BRAKE


    1. A01BBIL

      Make sure the 1st and reverse brake pistons move smoothly when applying and releasing the compressed air into the transmission case.

  11. INSPECT PACK CLEARANCE OF FIRST AND REVERSE BRAKE


    1. A01BAYQ

      Using a feeler gauge, measure the clearance between the plate and the 2nd brake drum.

      Clearance
      0.70 to 1.22 mm (0.0276 to 0.048 in.)

      If the clearance is outside the standard, select another flange.

      Flange thickness
      No. Thickness No. Thickness
      67 5.4 mm (0.213 in.) 52 4.6 mm (0.181 in.)
      66 5.2 mm (0.205 in.) 53 4.4 mm (0.173 in.)
      50 5.0 mm (0.197 in.) 54 4.2 mm (0.165 in.)
      51 4.8 mm (0.189 in.) 55 4.0 mm (0.157 in.)

  12. INSPECT PISTON STROKE OF 2ND COAST BRAKE


    1. A01BA61E02

      Place a mark on the 2nd coast brake piston rod.

    2. Using SST, measure the stroke while applying and releasing compressed air (392 kPa, 4.0 kgf/cm2, 57 psi).

      SST
      09240-00020
      Piston rod stroke
      1.5 to 3.0 mm (0.059 to 0.118 in.)

      If the stroke is more than the specified, replace the piston rod.

      Piston rod length
      78.4 mm (3.087 in.)
      79.9 mm (3.146 in.)

      If the stroke is still more than the standard value, replace the brake band with a new one.

  13. INSPECT OUTPUT SHAFT


    1. A01BE4F

      Using a dial indicator, measure the end play of the output shaft with hand.

      End play
      0.30 to 1.04 mm (0.0118 to 0.0409 in.)

      If the values are outside the standard, check for an improper installation.

    2. Check that the output shaft rotates smoothly.

  14. INSPECT OVERDRIVE BRAKE PISTON


    1. A01BB0CE02

      Place SST and a dial indicator onto the O/D brake piston.

      SST
      09350-30020   ( 09350-06120 )
    2. A01BBUU

      Measure the stroke while applying and releasing compressed air (392 kPa, 4.0 kgf/cm2, 57 psi).

      Piston stroke
      1.75 to 2.05 mm (0.0689 to 0.0807 in.)

      If the piston stroke is less than the limit, parts may have been assembled incorrectly, so check and reassemble again.

      If the piston stroke is still outside the standard, select another flange.

      Tech Tips

      There are 7 different thicknesses for the flange.

      Flange thickness
      No. Thickness No. Thickness
      77 3.3 mm (0.130 in.) 81 3.8 mm (0.150 in.)
      78 3.5 mm (0.138 in.) 82 3.9 mm (0.154 in.)
      79 3.6 mm (0.142 in.) 83 4.0 mm (0.157 in.)
      80 3.7 mm (0.146 in.) - -

  15. INSPECT INDIVIDUAL PISTON OPERATION INSPECTION


    1. A01BAPCE06

      Check for the sound while applying compressed air into the oil hole indicated in the illustration.

      Tech Tips

      Inspect the overdrive direct clutch with the C-0 accumulator piston hole closed. If there is no sounds from the overdrive direct clutch, disassemble and check the installation conditions of the following parts:


      1. Overdrive direct clutch

      2. Direct clutch

      3. Forward clutch

      4. Overdrive brake

      5. 2nd coast brake

      6. 2nd brake

      7. 1st and reverse brake

  16. INSPECT INPUT SHAFT SUB-ASSEMBLY


    1. A01BCN2E02

      Make sure the input shaft rotates smoothly.