The dual mass flywheel is the part used in vehicles to regulate the engine’s torque more effectively and minimize vibration. This type of flywheel is preferred in low-speed and high-torque engines. It consists of two flywheels that rotate independently of each other. One is connected to the engine, while the other is located in the clutch group. Between the two, there is a series of springs that reduce the vibration of the engine and prevent this vibration from reaching the gearbox. Thanks to these features, it will prevent impacts that may occur in the transmission and other engine components and prolong the life of these parts. Dual-mass flywheels have become popular in commercial vehicles and heavy goods vehicles.
Difference Between Double and Single Mass Flywheel
The dual mass flywheel has two separate masses. It can absorb vibrations and torque much more effectively. Its complex structure regulates the torque of the engine more effectively, affecting its performance positively, especially when the vehicle is used at low speeds. It balances torsion much more effectively and also provides vehicles with a much smoother ride at low revs. In general, it is preferred especially in heavy vehicles due to its long-lasting and durable features.
A single-mass flywheel is generally one-piece and has a dense center of mass. It regulates the rotational movement of the motor with its simple and lightweight design. It can compensate for torsion to a limited extent, but may cause shaking or vibration. Compared to the dual-mass flywheel, it is more durable because it carries fewer parts, but its lifespan may be shortened if used in high-performance vehicle engines.
Dual Mass Flywheel Failure Symptoms
Failure of the dual mass flywheel usually causes vibration or shaking of the vehicle. This shaking and shaking is usually felt when starting the vehicle or changing gear. In heavy vehicles, its malfunction may cause skidding problems. Another symptom that may occur is the observation of abnormalities in the clutch pedal. The driver may hear strange noises when pressing the clutch pedal. Especially in case of malfunction, there will be a noticeable increase in fuel consumption as the engine will consume a lot of power and operate irregularly.
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