Automatic Transaxle Unit: Inspection

1. Remove the magnets and use them to collect any steel chips. Examine the clips and particles in the pan and on the magnet to determine what type of wear has occurred in the transaxle.

   Steel (magnetic): bearing, gear and plate wear

   Brass (non-magnetic): bush wear

   Fig 1: Identifying Clips And Particles

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Fix the transaxle case with the oil pump side facing up.
2. Using a dial indicator, measure the input shaft end play.

   Standard end play: 

   0.26 to 1.25 mm (0.0103 to 0.0492 in.) 

   Fig 2: Inspecting Input Shaft End Play

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check to see if the sliding surface of the disc, plate and flange are worn or burnt.

If necessary, replace them.

1. Using vernier calipers, measure the free length of the underdrive brake return spring together with the spring seat.

   Standard free length: 

   14.04 mm (0.5213 in.) 

   Fig 4: Measuring Free Length Of Underdrive Brake Return Spring

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Check to see if the sliding surface of the disc, plate and flange are worn or burnt. If necessary, replace them.
   NOTE:

   • If the lining of the disc is peeling off or discolored, or if even a part of the printed number is defaced, replace all the discs.
   • Before assembling new discs, soak them in ATF for at least 15 minutes.
     Fig 5: Identifying 2nd Brake Clutch Disc

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Check to see if the sliding surface of the disc, plate and flange are worn or burnt. If necessary, replace them.
   NOTE:

   • If the lining of the disc is peeling off or discolored, or if even a part of the groove is defaced, replace all the discs.
   • Before assembling new discs, soak them in ATF for at least 15 minutes.
     Fig 6: Identifying 1st And Reverse Brake Clutch Disc

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Using vernier calipers, measure the free length of the 1st and reverse brake return spring together with the spring seat.

   Standard free length: 

   15.51 mm (0.6106 in.) 

   Fig 7: Measuring Free Length Of 1st And Reverse Brake Return Spring

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard inside diameter: 

   23.025 to 23.045 mm (0.9065 to 0.9073 in.) 

   Maximum inside diameter: 

   23.09 mm (0.9091 in.) 

   Fig 8: Measuring Inside Diameter Of Forward Clutch Hub Bush

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE:

   • When the diameter is over the maximum, replace the multiple disc clutch hub with a new one.
   • Check the contact surface of the bush in the direct clutch shaft. If any scratch or discolor is identified, replace the direct clutch sub-assembly with a new one.

   If the inside diameter is greater than the maximum, replace the forward clutch hub.