Continuously variable transmissions, or CVTs, seem to be the transmissions some auto enthusiasts love to hate. Even so, more and more car manufacturers have chosen CVTs as their transmission of choice in one or more of their car models, offering improved features such as quieter RPM acceleration and increased turbo thrust.
What Is a CVT?
Ordinary automatic transmissions use a set of gears to provide a set number of speeds, shifting gears as needed to provide the best speed for different driving situations, such as low gears for starting off, middle gears for acceleration, and high gears for cruising.
Instead of gears, CVTs use pulleys, with a metal chain or belt between them, and along with microprocessors and sensors to help them interact with the engine. A CVT has no gearbox, no gears, and no interlocking toothed wheels like ordinary transmissions. CVTs basically have one gear, which is able to produce maximum power using maximum fuel efficiency at all times and also provide a smooth ride.
Always follow the manufacturer’s recommended maintenance schedule to keep your CVT performing as it was intended. A Roswell, GA, transmission shop can perform proper maintenance and inspections. Although CVTs are designed for improved durability through the use of fewer moving parts and, therefore, fewer components that can break down, there have been reports of pulley slips in the transmission which need to be addressed by a qualified transmission technician.
Problems with Earlier CVTs
Some car owners have noted problems in older autos manufactured prior to 2010 using earlier versions of the CVT. Here is a list of reported issues:
- Hesitation when starting from a stopped position
- Erratic RPMs
- Whining or whirring noise from the engine
- Loss of power
If you experience any of these issues, have the car inspected by a technician at a Roswell, GA, transmission shop who can accurately diagnose and repair the problem.
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