The LUBEGARD Platinum ATF Protectant, No. 63010, features proprietary anti-wear additive and friction modifiers designed to eliminate TCC shudder and reduce slippage in GM 8L45/8L90 transmissions. It can be added to existing ATF, or at the time of fluid change. Use two 10 oz. bottles per unit for GM 8L45 and 8L90 transmissions. Allow up to 200 driving miles to see the full results, the company says.