![]() It is possible that one of the hoses or lines in your power steering system can begin to leak either at the connection or due to the flexible rubber section cracking. Like any high-pressure hydraulic system, the power steering system used with your rack and pinion can be prone to leaks. This high-pressure fluid is used to help the steering rack move as you turn the steering wheel so it isn’t so difficult for you to turn your wheels when your vehicle is moving slowly or stopped. It is extremely dangerous for a rack or pinion to go out because the power steering system in your vehicle uses the power steering pump to pressurize power steering fluid and send it down to your rack and pinion. When a pinion is on the verge of failure it can be very difficult to steer, however, if a rack or pinion goes out you will lose complete control of steering. It is important to be aware of what happens when rack and pinion goes out. What happens when rack and pinion goes out? To get a better idea of what a rack and pinion looks like, check out this article on how rack and pinions work. ![]() The rack is a flat gear the pinion rests on, and as the pinion rotates its teeth mesh with the teeth on the rack which are pushed left or right creating the linear motion needed to turn the front wheels of your vehicle. The pinion is simply a small gear at the end of your steering column that rotates as you turn your steering wheel. It accomplishes this task and gets its name by using both a rack and a pinion. The rack and pinion is used to transfer the rotary motion of turning your steering wheel into the linear motion your tie rod uses to push your steering knuckle in and out which causes your front wheels to turn your vehicle. Rack and pinion steering systems are used more in these situations because they are relatively compact systems and do not require elaborate linkages like the steering gear systems found in most trucks. Rack and Pinion steering systems are often used in sports cars and other vehicles that are low to the ground or have limited space in the front of the vehicle. Rack and Pinion leaks can be frustrating to deal with and hard to understand why mechanics charge so much money to fix them.
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