Lubegard 60902 Automatic Transmission Fluid Protectant, 10 oz. Prevents overheating, reducing elevated operating temperatures up to 40 degrees Farenheit - Optimizes total transmission performance Eliminates transmission fluid foaming and oxidation and reduces wear throughout the transmission Eliminates clutch chatter and torque converter shudder; Softens and modifies harsh shifts making them quicker in duration Extends fluid life / Raises the thermal and oxidative stability of the fluid Only protectant that increases the fluids ability to transfer heat / Protects new seals and permanently restores older seals to a like-new condition, without adverse side effects