If your power steering system runs out of the hydraulic fluid then it will cause a lack of power assist when turning. The only reason for a lack of fluid is a leak somewhere in your system. ... BlueDevil Power Steering Stop Leak will seal the leak in your system so you don't end up with no power steering again!

Why would I have no power steering?

Power Steering Failure Causes

A drop in your power steering fluid level indicates a leak somewhere in the system. Check the hoses, seals, and the hydraulic pump for any signs of leaks to avoid draining the fluid. A drop in your power steering fluid level indicates a leak somewhere in the system.

What would cause power steering not to work?

Most modern cars come equipped with power steering, but as systems age they can wear out. Problems with alignment or the power steering pump can also cause the power steering system to stop working. ... Check the power steering fluid level. If there's not enough fluid, it'll be hard to make turns.