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When the very first car or automobile was manufactured, it was never even imagined how fast and how far the technology of automobiles engineering would come today. Over the decades we have seen how the designs of cars have changed and how the technology of engines and transmission has moved ahead. Whether it is a small car or a sedan or even a luxury car, you will notice how car designs and technology has evolved over so many years. It is fascinating to learn how well automobile engineers have adapted to the environment and changed the designs of their cars!
Automobiles have changed with the generation!
Surely there have been tremendous challenges that they have faced but at the same time they have come up with ingenious ideas which have shocked the world time and again! One such technology in automobile engineering is the transmission and how different kinds of transmissions have been manufactured over time. To be more specific, today we shall discuss continuous variable transmission and also the problems involved with it because we all know that nothing in life is flawless and there can always be an improvement! So let us find out what CVT transmission actually is and how it works!
What is a continuous variable transmission (CVT)?
A continuous variable transmission is a kind of automatic transmission which involves a pulley and belt transmission system to provide greater and better gear ratios. To be more specific, the gear ratios are provided on an unlimited range. It was developed in the 1980s by Japanese car makers and has been on a rage since then. Many automobile companies such as Audi and Ford have tried and adopting this transmission system in their cars. That is how CVTs have been emerging on a global scale.
How has CVT transmission evolved?
Though there have many certain CVT Transmission Problems being faced but these problems have been rare and also have been immediately solved. In the generation of advancement, there have been several updated versions of continuous variable transmission and has been improved very often! Over the years CVT transmission has been compared to manual and other automatic transmissions and on most occasions CVTs have been able to grasp the markets better!
How does a CVT transmission work?
The continuous variable transmission involves a pair of variable-diameter pulley system which is bound together by a belt. This helps provide a greater gear ratio with an unlimited range. The pulleys are in a pair such that the input pulley is connected to the engine and the outer pulley or the output pulley is connected the driver’s wheel! Both these pulleys are bound by a metal belt which holds them together.
How are different gear ratios achieved?
Different gear ratios are achieved by changing the placement of the metal belt on these pulleys. The change in the diameter of these two pulleys plays a major role in changing the ratio of the engine speed to the speed of the car! That is basically how the continuous variable transmission works on a daily basis! Due to such a technology in the pulley and belt system, there have been several CVT transmission problems reported but they have also been solved immediately by the automobile manufacturers.
Where have CVTs been applied in automobiles?
Continuous variable transmission has been used in several small tractors for home and garden use but with a simple rubber belt. Almost all of the snowmobiles and motor scooters use CVT technology. CVTs have also been used in the past in the aircraft electrical power generation systems. Several drill presses and milling machines also use the pulley system CVTs for their day to day functions. Today most of the Toyota and Honda automobiles employ the CVT transmission in their cars!
What are the various CVT transmission problems reported?
Here are several CVT transmission problems:
• There is a certain noise which is produced when the car is started and also when it is accelerated.
• CVT transmission is meant to provide you a smooth driving experience but over the years that have been complaints that the driving has been jerky and inconvenient mainly because of the CVT transmission.
• There could be malfunctioning caused in the transmission if the sensors or the computers that control this transmission fail.
• There have also been reports which state that there is no sensation of gear shifting while shifting gears, which is not what the drivers want.
Though it is a fact that the fuel economy would be enhanced when you cvt transmission technology and the acceleration would also be improved to a great extent, people are still not sure about its reliability as there are many problems associated with cvt transmission. Also, CVT is expensive when compared with the traditional technology and hence, users would need full reliability to adopt it. Below discussed are some of the CVT Transmission Problems which you must be aware of, before you switch to it:
Extra Noise is produced
The cvt would try to adjust the speed of the engine whenever you just start the car or every time you try to accelerate so as to increase or decrease the speed. This adjustment would cause an absurd noise and people who don’t want their car to make much noise would absolutely hate it.
Sound of Clutch Slipping
Most of the people these days have the cars with automatic transmission in them. So, when they would use the cvt transmission, they might find it troublesome. Further, when they would try to rev the engine, they might hear a sound that resembles the slipping of the clutch. However, if you had already been using manual clutch, it would not be a big deal to adjust with the cvt transmission.
People switch to cvt transmission because they think that it would provide them smooth transition, but not all the people are able to realize this dream. In fact, sometimes, the transition might be jerky. When you just start the car and give the initial acceleration to it, rattling noise might be heard and jerks can be felt when driving at slow speed. Also, when the car stops, abrupt movement might be there.
Malfunctioning of Transmission
Another reason why one cannot reply on the cvt transmission completely is that when the computer that controls the system fails or the electrical sensor have some issues with them, the transmission system would malfunction.
Gear Shifts not felt
Though this might not be a problem for some people, gear shifts are hardly felt with a car that has the normal cvt transmission system. This is a very different case for the automatic transmission and people who are not used to it might feel difficulty in driving for the initial days. However, this problem can be solved by incorporating the paddle shifts in the cvt, so that the gear shifts can be simulated.
As you have seen, while some people regard the cvt transmission systems as a problem-solver, others have seen it as problem-introducer. So, it depends on your personal experience that how you would rate the cvt. Also, if you have understood the above problems well and you are sure that these are not going to affect your driving, you can go for it. Manufacturers are continuously searching solutions to these problems though.