Once you go faster, the input pulley’s width will decrease while the output pulley increases. As you drive along, the car’s transmission control unit will adjust the width of the pulleys. This provides you with more torque which is what you need when you’re setting off. However, the belt essentially increases the radius of the output pulley. During this state, the output pulley will rotate slowly. When you’re setting off, the driven pulley will be wider than the output pulley.
The output pulley transfers power to your wheels via a driveshaft. Then this pulley connects to an output pulley via a belt (or sometimes a chain). In essence, the system has an input pulley that receives power from your engine. Chances are this is the type of CVT your car has, here’s how it works: Belt And Pulley CVTĪs the name suggests, this system uses a belt and a set of pulleys to control the output from your engine to the driven wheels.
The belt and pulley system is more common and has been around for decades. There are two types of CVTs: a belt and pulley system, and a Toroidal system. This helps you to understand how in some cases it can cost so much to repair or replace.Īs mentioned, a CVT transmission doesn’t use a set of gears to control its power output. We always like to explain more about how the part works before we get into the costs. We’ll explain how it works, why it’s more expensive, and everything else you need to know about CVTs: Therefore, the CVT transmission repair cost is a bit different than conventional automatics.ĬVT transmissions are often a bit more expensive to repair or rebuild than a conventional automatic. However, unlike a conventional automatic transmission, it doesn’t use a gear assembly. You don’t need to manually change the gears as you drive along. A CVT or Continuously Variable Transmission is a type of automatic transmission.
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