Keeping Your Hydraulic Fluids Clean

Hydraulic System

A car’s hydraulic system is responsible for stopping your car, a very important function. They are responsible for relaying the message from your foot to your actual brakes. The pressure that you apply on you foot pedal is transferred to your disc brakes through a series of fluid and pipes – also called the hydraulic system.

The hydraulic system makes use of the quality of fluids within enclosed containers. Fluids are sensitive to pressure when they are in a container. They transfer the pressure very efficiently. This is why it is used by a lot of machines that involve applying pressure and one of them is your car’s braking system. The enclosed fluids react to the pressure from your foot. They send that pressure to the disc brakes and multiply this pressure.

The pressure has to be multiplied in order for the disc brakes to react accordingly. Now, imagine if there were clogs and build ups in your hydraulic system’s fluid. It would affect your hydraulic system’s performance negatively, harm your car and, most importantly, harm you and your passengers.


Your car needs air to function, and this is the cause of contamination for a lot of your car’s components. Air is needed for combustion, which is the process that keeps your car running. Inside your engines are pistons that are responsible for turning the wheels of your car. Fuel is injected and lighted within these pistons. The small explosion that results will cause the piston to expand which, in turn, will move your wheels. Combustion will not happen without air. The byproduct of the small explosion, which is smoke, is blown out of your car by air. In other words, your car needs to breathe air too.

This air is one of the main sources of contamination within your car. They bring in small particles such as sand, bacteria, and dust. Small amounts of contamination may not harm your car’s performance. But, after a period of time, a build up may clog important parts of your car. There are also other sources of contamination, such as rain and snow. Foreign fluids may enter your car and affect your car’s performance. Basically, your car is an open engine that is susceptible to a lot of contamination.

This is why there are different kinds of specially designed hydraulic filters in your car. Oil filters are responsible for keeping the oil in your car clean and air filters are responsible for keeping the air clean. Replacement filters from reliable OEM manufacturers are responsible for keeping contaminants out of your hydraulic systems and its fluids in order to maintain a good braking performance.

A car’s hydraulic filter works to filter fluids using a combination of perforated fibers. These will collect contamination like sand, dust and foreign liquids that are not supposed to be in your hydraulic system.  The filter is in a form of canister, which looks like an oil filter.

Depending on the manufacturer and the specific functions, there are different levels of cleanliness that a hydraulic filter can provide. You can have a level between 1 and 12, which will indicate how much particles your filter will allow through. Therefore, the smaller the level, the cleaner your fluids will be.

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