Sienna AWD V6-3.3L (3MZ-FE) (2004)
Torque Converter: Testing and Inspection
TORQUE CONVERTER CLUTCH AND DRIVE PLATE (ATM)
INSPECTION
1. INSPECT TORQUE CONVERTER CLUTCH ASSY
a. Inspect the one-way clutch.
1. Set 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. Check that the one-way clutch locks when it is turned counterclockwise, and rotates smoothly clockwise.
Clean the torque converter crutch and retest the one-way clutch as necessary.
Replace the torque converter crutch 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 conditions replace the torque converter clutch.
Malfunction item:
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Any metallic sound is heard from the torque converter clutch during stall test or when the shift lever is in neutral position.
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One-way clutch is free or locked in both directions.
Fine powders exceeding the sample limit is identified in ATF. (See the sample.)