A clutch cover is a vital component of a vehicle’s clutch system, serving to protect the clutch plate and other components from dust, dirt, and other contaminants. There are different types of clutch covers available, each designed to meet specific performance and durability requirements. The components of a clutch cover typically include the cover itself, pressure plate, bearings, and release mechanism. In this article, we will discuss the functions, types, and components of clutch covers in more detail.
A clutch cover performs the following functions in a vehicle:
- Protects clutch components from external damage.
Serves as a protective barrier for the clutch components, shielding them from dust, debris, and other external elements that may cause damage.
- Transmits engine power to the transmission.
Helps transmit engine power to the transmission by serving as a mounting point for the pressure plate and facilitating the transfer of torque from the engine to the transmission.
- Supports the pressure plate and keeps it aligned.
Supports the pressure plate and helps maintain proper alignment to ensure efficient clutch operation. The pressure plate and clutch cover work together to transfer engine power to the transmission and control engagement and disengagement of the clutch.
- Maintains proper clutch spacing for efficient operation.
Plays an important role in maintaining proper clutch spacing, which is crucial for efficient clutch operation. If the spacing is not correct, the clutch may not engage or disengage properly, resulting in slipping, reduced power transfer, or other issues. The clutch cover helps ensure the proper spacing between the pressure plate, clutch disc, and flywheel, which is essential for smooth and reliable clutch performance
Types of Clutch Covers
Clutch covers can be categorized based on their design and material. Some of the most common types include:
- Diaphragm Clutch Cover
Is a type of pressure plate that uses a flexible metal diaphragm to transmit force to the clutch plate. This type of cover is usually used in vehicles with limited space for clutch components.
- Push-Type Clutch Cover
Uses a release bearing to apply pressure to the clutch plate. This type of cover is commonly used in high-performance vehicles and provides quick, positive engagement of the clutch.
- Pull-Type Clutch Cover
Is a type of pressure plate that uses a cable or hydraulic system to apply pressure to the clutch plate. This type of cover is commonly used in racing applications.
- Solid Clutch Cover
Is a type of pressure plate that uses a solid metal plate to transmit force to the clutch plate. This type of cover is typically used in heavy-duty vehicles and provides a stable, consistent engagement of the clutch.
- Aluminum Clutch Cover
Is a type of pressure plate made from lightweight aluminum. This type of cover is commonly used in performance vehicles to reduce weight and improve clutch performance.
Each type of clutch cover has its specific advantages and disadvantages, and the choice of cover will depend on the application and the specific requirements of the vehicle.
Clutch Cover Components
1. Impeller Pump
The impeller pump is the first component in the clutch cover which functions to generate pressure and fluid flow. The shape is in the form of a very large number of fan blades with a number that exceeds the fan blades in general. It is located behind the torque unit and attached to the cover.
2. Torque Converter Cover (TCC)
The torque converter cover component is the part where the fluid flow has been given pressure when it operates. The torque converter cover serves to prevent fluid leakage during circulation. Other components connected to the TCC are the engine flywheel and pump impeller.
The turbine has a shape that resembles a pump impeller, only it is located in a different position. In addition, the function of the clutch cover will also decrease if left alone. This one component is also easy to corrode or corrode. Then in the middle, it is connected to the transmission input shaft. The rotational speed of the turbine greatly affects the energy and vice versa.
The stator is a static component that cannot move freely, so it requires the help of other components to help the fluid flow from the turbine back to the impeller pump.
5. Lock-up Clutch
Lock-up clutch functions as a link between two other components, namely the torque converter and flywheels . With its existence, the transmission will have a rotation with the same ratio.
6. Pressure Plate
Used to control and change the rotation of the flywheel.
7. Throw-out Bearing
Enabled to push the pressure plate and activate or deactivate the clutch.
8. Clutch Seal
The clutch seal is used to prevent air and oil leaks from the engine by locking the lubricating fluid so that it remains in the clutch.
9. Coupling Bushings or Clutch Bushings
These components can be used to dampen vibrations generated by the clutch mechanism.
10. Trigger Clutch or Clutch Spring
Apply pressure to the clutch plate and release it from the flywheel.
11. Clutch Bearing or Clutch Bearing
Used to reduce friction and facilitate rotation of the clutch mechanism.
12. Clutch plate or clutch plate
Serves to change the rotation of the engine to the transmission.
The flywheel or so-called flywheel is used to change rotation from the engine to the transmission and as a place to attach the clutch plate.
14. Clutch Lever or Clutch Lever
Able to control the clutch mechanism and change gears.
15. Clutch Cylinder or Clutch Cylinder
Useful for changing the position of the clutch lever and releasing or pressing the clutch plate.
The clutch cover is an essential component in a vehicle’s clutch system. It performs several key functions, including protecting the clutch components, transmitting engine power to the transmission, supporting the pressure plate, and maintaining proper clutch spacing. There are various types of clutch covers available, including the diaphragm, spring, and hydraulic, each with its own unique set of components and features. Understanding the functions, types, and components of a clutch cover can help drivers and technicians diagnose and repair clutch problems, ensuring smooth and reliable clutch performance.