Wynn’s Power Steering & Auto-transmission Conditioner is an oil soluble supplement developed to eliminate PAS (Power assisted Steering) stiffness, shudder and noise as well as ease shifting of automatic gearboxes. Prevents oil leaks by rejuvenating the seals while maintaining optimum performance of the PAS pump and load bearing components. Wynn’s Power Steering & Auto-transmission Conditioner can be added to all conventional ATF and power steering fluid.