Browse

Property For Sale Property For Rent

Used Cars Others

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Others Pet Supplies Sporting Goods Ticket Toys Games Transportation

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

What are the main components of a metal belt-type CVT system?

2 Answers

VanRiley

08/30/25 3:08am

Metal belt-type CVT systems mainly consist of basic components such as the driving pulley set, driven pulley set, metal belt, and hydraulic pump. The metal belt is composed of two metal rings and hundreds of metal segments. Both the driving pulley set and the driven pulley set are made up of movable discs and fixed discs. The side of the pulley close to the cylinder can slide on the shaft, while the other side is fixed. Additional information: 1. Working principle: Both the movable disc and the fixed disc have a conical surface structure, and their conical surfaces form a V-shaped groove to engage with the V-shaped metal transmission belt. The power output from the engine's output shaft is first transmitted to the driving pulley of the CVT, then transmitted to the driven pulley through the V-shaped transmission belt, and finally passed to the wheels via the reducer and differential to drive the vehicle. 2. Characteristics: The most notable feature of a CVT is its stepless control of the output speed ratio, providing a smooth and seamless driving experience without the sensation of gear shifting. Passengers do not feel any gear shift shock, and the power connection is continuous. This enhances comfort during driving, and acceleration is also faster compared to an automatic transmission.

Was this review help?

20

5

Share

VonLola

09/11/25 7:14am

From my driving experience, the metal belt-type CVT system is primarily the component that enables ultra-smooth gear shifting. Its core includes the metal belt itself—a band-like structure composed of multiple steel link rings, connecting the input pulley and output pulley. The pulleys adjust their width in response to engine speed changes to control the gear ratio. Additionally, there's a hydraulic control unit that adjusts the pulley diameter via oil pressure to ensure seamless power transmission, along with an electronic control module that processes sensor data to optimize efficiency. The overall design is fuel-efficient and quiet, but the metal belt may wear under prolonged high loads, requiring regular checks of the transmission fluid level to prevent slippage or breakage, which could pose driving risks. This is both the greatest strength and weakness of CVTs.

Was this review help?

1

3

Share

Expand All

More Forum Discussions

What causes the abnormal noise when starting an Audi A4?

The reason for the abnormal noise when starting is mainly due to releasing the brake too slowly, which is a common issue with many automatic transmission vehicles. When the brake pedal is slowly released, the engine already has sufficient power to drive the car forward, but the brake hasn't been fully released. As a result, the moving wheels are held back by the braking system, naturally causing abnormal noise, which is a normal phenomenon. Here are some techniques for starting a car: Starting on flat ground: The key action for starting on flat ground is the coordination between the clutch and the accelerator, known as clutch-accelerator coordination. This involves lifting the clutch pedal to the engagement point and then slowly pressing the accelerator pedal while gradually releasing the clutch. Starting on an uphill slope: The key to starting on an uphill slope is overcoming the uphill resistance and preventing the car from rolling backward. In addition to the essentials and operations for starting on flat ground, pay close attention to the coordination between the parking brake lever, clutch pedal, and accelerator pedal.

What are the differences between the Audi A5 Fashion Elegance and Fashion Dynamic?

Audi A5 Fashion Dynamic and Elegance models mainly differ in terms of exterior and interior design, while their performance remains consistent. Below are the specific differences between the Audi A5 Fashion Dynamic and Elegance models: Exterior: As the names suggest, the Dynamic model emphasizes a more sporty look, while the Elegance model focuses on luxury and sophistication. The Elegance variant features a dignified and grand overall appearance, with chrome accents creating a refined style. In contrast, the Dynamic model adds sporty exterior elements, including a flatter and wider front grille with a honeycomb pattern similar to RS models, along with sharper body lines for a more athletic feel. The Elegance model comes with single-tone alloy wheels for a more understated look, while the Dynamic variant features dual-tone wheels and, in higher trims, red 4-piston brake calipers for a visually striking effect. Interior: The Elegance model's interior leans toward a refined and luxurious style, with high-end trims featuring glossy wood grain panels for a business-oriented premium feel. The Dynamic model, however, adopts a simpler and more youthful design, with higher trims using carbon fiber-style panels to highlight a sporty and personalized appeal.

Which is faster in an Audi A4: Dynamic Mode or S Gear?

Audi A4's Dynamic Mode is faster. Dynamic Mode: Includes the throttle characteristics and gear-shifting aggressiveness of S gear, while also adjusting the suspension, steering wheel force, and various feedbacks. Dynamic Mode can be understood as an upgraded version of S gear. Audi A4 offers 5 driving modes as follows: Eco Mode (eco): The ECU controls the timing and logic of gear shifts and limits fuel injection. Simply put, the vehicle won't accelerate abruptly with a single press of the throttle but will instead accelerate gradually, commonly referred to as feeling a bit "sluggish." Comfort Mode: The suspension is tuned to be softer, the steering wheel response is more sensitive, and the engine speed is maintained at a lower range. This ensures better smoothness and comfort when going over speed bumps or when braking and accelerating, with more prominent cushioning. Power output is gentler and less abrupt. Auto Mode: This mode intelligently adjusts all performance aspects and is suitable for more conventional drivers. It's akin to the "auto mode" of a camera, designed for those who don't know how to choose the right mode. Throttle response is reasonable, and comfort is also quite good. Dynamic Mode: In this mode, the engine responds more aggressively to the driver's throttle inputs. The vehicle starts with high torque output, and the gear-shifting time is delayed to ensure the car remains in a very aggressive state during this period. The immediate sensation is the push-back feeling and the powerful impact during acceleration. Strong power inevitably leads to increased fuel consumption and wear on the transmission and engine. Dynamic Mode also has another benefit: clearing engine carbon deposits. Individual Mode: Drivers can adjust the vehicle's driving characteristics according to their habits and needs. Adjustable parameters include balance, sport, comfort, and eco. Compared to Auto Mode, this allows for more detailed settings tailored to the driver's habits in different environments.

How many seconds does the Audi A6L take to accelerate from 0 to 100 km/h?

Audi A6L's 0-100 km/h acceleration time is 7.5 seconds. Audi A6L Power: The Audi A6L is equipped with two powertrain options: 2.0T-7DCT and 3.0T-7DCT. The 2.0T engine is part of Volkswagen's classic EA888 series, delivering a maximum torque of 350Nm. This powertrain is more than sufficient for daily family use, enabling the Audi A6L to achieve a 0-100 km/h acceleration time of 7.5 seconds. Audi A6L's Launch Performance: During initial acceleration, the Audi A6L bursts forward with the ferocity of a freed tiger, reaching a peak acceleration of 0.8G that lasts for about a second—akin to being suddenly kicked from behind. This explosive start is likely due to the launch control system, which initiates takeoff at 3,000 rpm, with the quattro all-wheel-drive system preventing wheel slip. Mid-range acceleration gradually tapers off, but surges again during the shift to second gear before settling at around 0.5G. As the speedometer crosses 100 km/h, the stopwatch records a time of 5.7 seconds.

What are the parking brake faults of Audi A6L?

Common parking brake faults include poor parking brake performance and the parking brake lever failing to stay in position. Poor parking brake performance: Symptoms: The vehicle can still start after pulling the parking brake lever, or it cannot stably stop on a slope, leading to slipping. The main causes of poor parking brake performance are excessive brake clearance, insufficient contact area between the brake shoes and drum, oil contamination or hardening of the brake shoes or lining, exposed rivets, or severe deformation of the brake drum or disc. Parking brake lever failing to stay in position: Symptoms: The lever cannot be released after pulling the parking brake lever, and it returns to its initial position when released. The main causes are a failed or broken pawl spring, which should be replaced; excessive wear or stripping of the pawl and gear teeth, which should be replaced; deformation or jamming of the pawl or lever, which should be corrected or replaced; or loose rivets on the pawl or gear plate, which should be repaired.

Audi A6 right taillight malfunction?

Audi A6 right taillight malfunction may be caused by a short circuit in the right rear reversing light or damage to the right rear taillight. Methods to troubleshoot the Audi A6 right taillight malfunction: Use a multimeter to check the circuit from pin 2 of the wiring connector to pin 8 of the computer board, then use the multimeter to check the voltage at pin 2 to see if it is caused by a short circuit or leakage in the circuit. Next, remove the side trim panel of the rear compartment to check if the malfunction is caused by insufficient voltage due to power supply issues. Definition of car taillights: Taillights are white lights installed as close to the rear as possible, displaying continuous light. When viewed from behind the vehicle, they are used to indicate the presence and width of the vehicle.

Trending Ranking

What Causes a Car to Overheat After Driving for a While?

What transmission does the Trumpchi GS4 Plus use?

What is the fuel consumption of the Chevrolet Malibu?

What are the dimensions of the XPeng P7?

What is the fuel tank capacity of the Mazda 3 Axela?

Is SAIC-GM-Wuling a Domestic or Joint Venture Brand?

What is the fuel tank capacity of the Trumpchi GS3?

Has the Geely Emgrand GS been discontinued?

Can the Wuling Hongguang Mini undertake long-distance highway driving?

Is the Yingbao a manual or automatic transmission car?

More Forum Discussions

Is the Geely Emgrand fuel consumption high?

What is the zero-to-whole ratio of Mercedes-Benz?

What is Uncle Xiaoshu's Mercedes-Benz model?

What causes the jerkiness when shifting to N gear in an Audi A4?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.