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All About Your Vehicle's Clutch Hydraulics

What Is Clutch Hydraulics?

The clutch system would be actuated by a lot of late-model vehicles which would utilize a hydraulic clutch master cylinder and slave cylinder, rather than mechanical linkage. Now when the pedal of the clutch would be depressed, the pushrod which would be on the master cylinder would displace the fluid from the cylinder, through a tube, this is done to slave cylinder. There are a lot of instances, where the piston would be attached to the slave cylinder which would move a release fork. It would be then attached to a release bearing so that the clutch can be disengaged. There are some other systems where the slave cylinder piston would push forward against a release bearing so that the clutch can be disengaged. The hydraulic systems are designed in such a way that they can reduce the pedal effort, and the process of installation can be simplified by directly connecting the pedal to the clutch. It would also eliminate the requirement for the failure-prone items like return springs and cable mechanisms. There is a built-in pedal travel which is already factored in the hydraulic systems, that is the reason why there is no need for the periodic adjustment.

 

Issues would generally start arising when there would be a leakage in the hydraulic fluid, draws air, or it would fail to maintain adequate pressure which would be needed to disengage the clutch. If any of its components would be faulty or there might be some leakages, then it is essential to replace it before the installation of the new clutch components. The vehicles which have high mileage, in those it would be advisable to replace both constituents, even if any one of its constituents would appear defective. This is because both the components would be designed with similar expected service life.

Specification Of Clutch Hydraulics

  1. Torque Rating - There should be maximum torque rating for the clutch should equal or exceed the need of the applications.
  2. Power - It should provide maximum power rating for the clutch.
  3. Speed - There should be maximum rotary speed rating. This specification applies only to rotary clutches.
  4. Maximum Pressure - There should be a maximum pressure for a hydraulic clutch.
  5. Shaft Configuration - The clutch should be mounted in-line, parallel, or right angle.
  6. Drive/Load Connection - It should have a good drive/load connection.
  7. In-line Shafts - The drive and the load must have shafts which would attach to a through-bore.
  8. Through Shaft - The drive shaft would attach to a bore and then the load should be driven through the outer diameter.
  9. Shaft-Pulley/Gear/Sprocket - The drive shaft should attach to a bore and the output is a drive component such as a pulley, gear, or sprocket. These clutches are many times designed to accept various drive components.
  10. Flange - The clutch should be mounted to the object in motion via a flange.

How Do Clutch Hydraulics Work?

Are you searching how do the clutch hydraulics actually work? Then all you have to do is to have a look below and then you will be able to understand everything.


There are a lot of hydraulic components which are used in the working of the hydraulic clutch system to actuate the clutch when the pedal would be pushed in. This system would work in a similar way how the car brakes actually work in your cars. There is a clutch pedal, connecting push rod, clutch master cylinder, hydraulic metal or plastic piping, and the clutch slave cylinder in the clutch hydraulics.


There is a solid lever known as the clutch pedal which would be hooked to a pivot point above the driver’s feet area. The pedal lever would then be connected to a rod by utilizing a clevis pin. The rod would be directly connected to the clutch master cylinder. Now when the pedal would be pushed in, it would then push the rod out toward the master cylinder. It would then push in the master cylinder, which would cause the hydraulic fluid to push out into the fluid line which would be connected directly to it. Now when the fluid would leave the master cylinder into the piping, it would then flow into the clutch slave cylinder. Because of the fluid, the slave cylinder would be pushed in the clutch pedal or the clutch pressure plate depending on design.


The only adjustment on these hydraulic systems would be at the clutch pedal so that the free travel can be kept corrected. The system which would be from the master cylinder to the slave cylinder would be a closed system which should not have any sort of air in it. Keep in mind to replace the fluids on a regular basis just like the brake fluid is replaced.


It would be easy to push the hydraulic clutch when it would be compared to other clutch systems like lever or cable types. The same fluid would be used by this system as most brake systems. Just keep in mind that there are some systems which only utilize the silicone-type fluids and utilize the wrong fluid which can cause flaws in the seals and can give rise to the leakages.

Top Brands For Clutch Hydraulics

Most of the people have a nature to avoid risk and seek safety. That is the reason why they would go with a familiar auto parts brand than a new one. It would prove to be safe and they know what to expect. Have a look at our top brands for clutch hydraulics which would offer safety and at the same time decrease the risk of disappointment.


Dorman/First Stop Clutch Hydraulics

Wagner Clutch Hydraulics

Beck/Arnley Clutch Hydraulics

Luk Clutch Hydraulics

Auto 7 Clutch Hydraulics

Dorman (OE Solutions) Clutch Hydraulics

Exedy Clutch Hydraulics

Related Parts Of Clutch Hydraulics

Do you want to know the related parts of the car clutch hydraulics? Don’t worry! Parts Avatar Canada is here at your service.


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John Framigllia
Technical Writer
Our technical writer is known for simplifying automotive parts and services. Intuitive with various vehicles and manufacturers, he knows how to simplify complicated problems.