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Flywheel and Torque Converter Vibration Test - 4L60-E Transmission|Page 7820 > < Flywheel and Torque Converter Vibration Test - 4L60-E Transmission|Page 7818
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Torque Converter: Testing and Inspection
Flywheel and Torque Converter Vibration Test - 4L80-E Transmission

GENERAL PROCEDURE

1. Start the engine.
2. With the engine at idle speed and the transmission in "Park," or "Neutral," observe vibration.
3. Shut the engine off.

NOTICE:  Some engine/transmission combinations cannot be balanced in this manner due to limited clearances between the torque converter
bolts and engine. Ensure the bolts do not bottom out in the lug nuts or the torque converter cover could be dented and cause internal damage.

REMOVE OR DISCONNECT

Flywheel and Torque Converter Vibration Test - 4L60-E Transmission|Page 7820 > < Flywheel and Torque Converter Vibration Test - 4L60-E Transmission|Page 7818