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Does the torque converter clutch (TCC) unlock during gear changes?

April 26, 2017changes clutch converter Gear TCC torque unlock

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Does the torque converter clutch (TCC) unlock during gear changes?

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The torque converter clutch always unlocks during downshifts, and sometimes during upshifts, depending on the vehicle speed and throttle position. It is safe to upshift under light load while the TCC is locked, and most OEM systems do so.