Torque Converter And Drive Plate: Inspection

1. Set SST so that it fits into the notch of the converter hub and the notch of the outer race of the one-way clutch.

   SST 09350-32014 (09351-32010, 09351-32020) 

   Fig 1: Inspecting One-Way Clutch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Stand the torque converter up and turn SST.

   SST 09350-32014 (09351-32010, 09351-32020) 

   Check that it rotates smoothly when turned clockwise and locks up when turned counterclockwise.

   If necessary, clean the converter and check the one-way clutch.

   Replace the converter if the one-way clutch still does not operate as specified.

   Fig 2: Checking One-Way Clutch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Check that the following conditions are met:
   • During the stall test or when the shift lever is in N, metallic sounds are not emitted from the torque converter clutch.
   • The 1-way clutch turns in one direction and locks in the other direction.
   • The amount of powder in the ATF is not greater than the sample shown in the illustration.

   HINT:

   The sample illustration shows approximately 0.25 liters (0.26 US qts, 0.22 lmp. qts) of the ATF taken from a removed torque converter clutch.

1. If the ATF is discolored and/or has a foul odor, completely stir the ATF in the torque converter clutch and drain the ATF with the torque converter facing upward.
   Fig 3: Identifying Powder In ATF

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Maximum runout: 

0.20 mm (0.0079 in.) 

If the runout is not within the specification or if the ring gear is damaged, replace the drive plate.

Fig 4: Measuring Drive Plate Runout

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002