Flex Plate: Testing and Inspection

Flywheel and torque converter imbalance can be corrected using the following procedure:
1. Change the position of the torque converter-to-flywheel 120 degrees at a time to cancel out engine and torque converter unbalance. Recheck in each position for vibration improvements.
2. If the unbalanced condition still exists, leave the torque converter-to-flywheel in the best balanced position. Install longer flywheel-to-torque converter bolts, adding and removing washers until the best balance is achieved.

CAUTION: Be sure that the bolts are not bottoming in the holes. If a bolt bottoms the cover could be dented, causing internal clutch facing damage. Always rotate the torque converter by hand after adding washers to check for clearance.

3. Inspect for missing or loose torque converter-to-flywheel bolts.
^ Replace or tighten as necessary.
4. Inspect the torque converter for damage or missing balance weights.
^ If the torque converter is damaged or balance weights are missing, replace the converter.