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Brand: C.OEFT
OE numbers: VT2
Product Name: Master Cylinder
Compatible model:
Product status:Remanufactured
Product weight: 10.000KG
Packaging size: 63X41X36 cm
Product packaging: Neutral Packaging
Car Series: Chinese
Car Type: for Geely Zotye
1.Hydraulic Pressure Generation for Clutch Operation
As the heart of the hydraulic control system in the VT2 transmission, the master cylinder is responsible for converting the mechanical force exerted on the clutch pedal (or the force from an electronic actuator in electronically - controlled systems) into hydraulic pressure. This pressurized hydraulic oil is then transmitted to the slave cylinder, which in turn actuates the clutch. By precisely controlling the hydraulic pressure, the master cylinder enables smooth and accurate clutch engagement and disengagement, ensuring seamless power transfer between the engine and the transmission during vehicle start - up, gear changes, and normal driving.
2.Pressure Regulation and Transmission
It plays a crucial role in regulating the hydraulic pressure within the transmission's hydraulic circuit. The master cylinder not only generates the initial pressure but also adjusts it based on driving conditions. For example, during sudden acceleration or when the vehicle is under heavy load, it can increase the hydraulic pressure to ensure a firm clutch engagement and efficient power transmission. Conversely, during light - load driving or when coasting, it can reduce the pressure to optimize fuel efficiency. The built - in pressure - regulating valve constantly monitors and adjusts the pressure to maintain optimal clutch performance across a wide range of driving scenarios.
3.Shift Timing Synchronization
Working in close coordination with the VT2 transmission's control unit (TCU), the master cylinder executes clutch operations with precise timing during gear shifts. The TCU sends signals based on various factors such as vehicle speed, engine load, and driver input. In response, the master cylinder adjusts the hydraulic pressure to the slave cylinder at the exact moment required for a gear shift. This synchronization ensures minimal power interruption during gear transitions, maintaining the driving comfort and efficiency characteristic of Geely VT2 - equipped vehicles.
4.Overpressure Protection
To safeguard the transmission system from damage due to excessive hydraulic pressure, the master cylinder is equipped with an overpressure protection mechanism. This typically includes a safety relief valve that automatically opens when the pressure within the master cylinder exceeds a pre - determined safe threshold (e.g., ≥2.5MPa). By releasing the excess pressure, the valve prevents potential damage to the master cylinder, slave cylinder, hydraulic lines, and other sensitive components within the transmission's hydraulic system, thereby enhancing the overall reliability of the system.
5.Status Monitoring (for Electronic Versions)
In electronically - controlled Geely VT2 master cylinders, a pressure sensor is integrated to continuously monitor the hydraulic pressure. This sensor feeds real - time data on the pressure level to the TCU. The TCU can then analyze this data to detect any anomalies, such as a sudden drop in pressure, inconsistent pressure output, or a pressure spike. In the event of an abnormal condition, the TCU can trigger diagnostic warnings, which may include illuminating a warning light on the vehicle's dashboard. This early detection and warning system facilitate timely maintenance and helps prevent potential transmission failures.
1.Perfect Compatibility with Geely VT2 Transmissions
Designed specifically for Geely's VT2 CVT transmission system, the master cylinder adheres precisely to the original vehicle's specifications regarding interface dimensions, hydraulic pressure parameters, and mounting configurations. This eliminates potential issues such as hydraulic leakage, inconsistent response times, or improper clutch engagement that might occur with generic replacement parts. It ensures a seamless fit within Geely's transmission architecture, guaranteeing optimal performance.
2.High-Precision Hydraulic Pressure Generation
Featuring a piston and valve core machined with extremely tight tolerances (≤0.005mm), the master cylinder can generate and maintain a stable hydraulic pressure output within the range of 0.8 - 2.2MPa. Pressure fluctuations are kept to a minimum, within ±2%, which enables precise control over the clutch. This high - precision pressure control significantly reduces shift shock, contributing to a smoother driving experience, a characteristic highly valued in Geely VT2 - equipped vehicles.
3.Durable and Reliable Construction
The cylinder body is constructed from high - grade aluminum alloy, which is then treated with an anti - corrosion coating to enhance its resistance to the harsh environment within the transmission system. The piston is made of hardened steel with self - lubricating properties, reducing wear caused by the constant reciprocating motion and exposure to hydraulic oil. These materials and manufacturing techniques extend the master cylinder's service life by approximately 35% compared to standard models, even under high - temperature operating conditions of up to 150°C within the transmission.
4.Low Maintenance Requirements
Engineered with a sealed, integrated structure, the Geely VT2 master cylinder minimizes the risk of fluid leakage and internal contamination. The simplified design reduces the number of potential failure points, which in turn lowers the frequency of maintenance and associated costs for Geely vehicle owners. This makes it a cost - effective and hassle - free component for long - term use.
5.Cost - Effective OEM - Quality Option
Manufactured to meet Geely's original equipment (OEM) standards, the master cylinder offers an affordable alternative to dealership - sourced parts without compromising on performance or reliability. It provides an ideal solution for both professional automotive repair facilities and individual vehicle owners looking to maintain the performance of their Geely vehicles at a reasonable cost.
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