The flywheel is a rotating mechanical device in the car clutch system which is used as a storage device for rotational energy from transmission inertia.
Flywheels are featured on every internal combustion engine vehicle, and solid flywheels are the most common flywheel type for gasoline-powered engines.
Valeo has been an Original Equipment (OE) quality manufacturer since 1923 and now offers a variety of part options, including Solid Flywheels, Hybrid Flywheels, and Dual Mass Flywheels.
When modern engines producing high-torque at low speeds became common in the 1980s, there was a need for an improved flywheel design. This need led to the development of the Dual Mass Flywheel (DMF).
The DMF design moves the damper springs inside the flywheel itself to better filter torsional engine vibrations.
This design improves efficiency while reducing emissions. Improved damping reduces strain on the transmission and improves driver comfort.
The Dual Mass Flywheel is composed of two independent flywheels, which split the inertia between the engine and transmission.
The primary flywheel is bolted directly to the crankshaft and contains the damping springs. The secondary flywheel is fitted to a clutch cover and a solid clutch disc.
The friction washers, drive plate, bearings, springs, and clutch cover are between the two flywheels.
Valeo offers a variety of OE and aftermarket DMF solutions for your garage, including Valeo FullPACK™ DMF and Valeo KIT4P™ Conversion Kits.
Valeo’s current DMF range:
Do you work with flywheels on a regular basis? Dual Mass Flywheels contain intricate parts that can be easily damaged by user error during fitment.
Learn the best practices for handling and storing DMFs in our free webinar.
Before you attempt a Dual Mass Flywheel repair, consider watching the Valeo free webinar on whether Dual Mass Flywheels should be reconditioned.
- New & exclusive patented Valeo technology.
- Two blades instead of classic springs.
- An effective solution for torque up to 350 Nm.
- Developed with a centrifugal pendulum-type absorber.
- A 30% increase in damping performance.
- 1% to 2% additional fuel savings.
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