Prepare your semi truck to be Ready for the Road Ahead , with the Motor Medic Power Steering Fluid that delivers smooth and reliable steering. By transmitting hydraulic pressure from the steering wheel to the steering mechanism, this replacement fluid allows operators to efficiently change directions without excessive wheel play. Warning lights, increased steering effort, vibrations, and other similar types of issues can all be signs of low fluid levels or a potential leak. FleetPride is your First Click in Heavy Duty .