Highlander 4WD V6-3.0L (1MZ-FE) (2003)
Torque Converter Clutch: Testing and Inspection
TORQUE CONVERTER CLUTCH AND DRIVE PLATE INSPECTION
1. INSPECT TORQUE CONVERTER CLUTCH ASSY
a. Inspect the one-way clutch.
1
Install SST into the inner race of the one-way clutch.
SST 09350-32014 (09351-32010)
2
Install SST so that it fits in the notch of the converter hub and outer race of the one-way clutch.
SST 09350-32014 (09351-32020)
3
With the torque converter clutch setting up on its side, check that the one-way clutch locks when it is turned counterclockwise, and rotates
smoothly clockwise.
If necessary, clean the converter and retest the one-way clutch.
Replace the converter if the one-way clutch still fails the test.
b. Determine the condition of the torque converter clutch assy.
1
If the inspection result of the torque converter clutch assy meets the following item, replace the torque converter clutch.
Malfunction item:
Any metallic sound is heard from the torque converter clutch during stall test or when the shift lever is in neutral position.
One-way clutch is free or locked in both directions. Fine powders exceeding the sample limit is identified in ATF. (See the sample.)
HINT: The sample shows the auto fluid of approx. 0.25 liters (0.26 US qts., 0.22 Imp. qts.) that is taken out from the removed torque
converter clutch