Defective Needle Bearings: Needle bearings within the torque converter aid clean rotation and energy transfer. Over time, these bearings can don out or turn into damaged, bringing about noise, vibration, and possible failure with the torque converter. Interference elements 1 and 2 might be mostly neutralised by A 3-passage process. https://torqueconverterclutch56666.qodsblog.com/34003152/torque-converter-clutch-fundamentals-explained