The engagement and disengagement with the lock-up clutch depends on the direction the fluid enters the torque converter. The automatic transmission fluid can enter possibly with the entrance of the lock-up clutch or in between the impeller and turbine, guiding the clutch. Automatic transmission should not make any strange sounds https://torqueconverterclutch87417.blogofoto.com/65430022/torque-converter-clutch-for-dummies