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A continuously variable transmission (CVT) is an automated transmission that can change through a continuous range of gear ratios, typically resulting in better fuel economy in gasoline applications. [1] This contrasts with other transmissions that provide a limited number of gear ratios in fixed steps.
The K110 was Toyota's first belt-type CVT and production began in August 2000. Toyota said that the transmission was both fuel-efficient and offered high driving performance. The K110 features a torque converter with a long-travel damper to help achieve quiet operation and improved fuel efficiency. Applications: Toyota Opa – 2.0L (2000–2005)
The Multitronic system uses a link-plate chain drive, [2] an oil-cooled multi-plate clutch [2] (initially of six parts, [2] later of seven to enable it to cope better with the high torque outputs of larger turbodiesel engines), and complex electronics, to overcome the traditional shortcomings of CVTs, [2] and allow a CVT transmission to be ...
The NuVinci CVT system has a small number of parts. [5] [6] Most CVTs have lower mechanical efficiency than competitive conventional transmissions.Since any CVT may allow a power plant, human or motorized, to operate at (or closer to) its speed of optimal efficiency, output torque or output power, the NuVinci CVT may improve a system's overall efficiency or performance compared to a ...
GM claims that the CVT's bands, normally a weak spot in CVTs, are reliable for at least 100,000 miles (161,000 km). A 225 mm (8.9 in) torque converter is also used. In 2004 GM extended the transmission's warranty on all 2002–2005 GM vehicles with the VTi to 5 years / 75,000 miles (120,700 km) due to high failure rates.
Continuously variable transmissions are an automotive transmission fitted in a vehicle, using a continuously variable drive ratio or variator device. The typical "automatic gearbox" is not usually considered to be a continuously-variable transmission, as it relies on shifting between discrete gear ratios.
The J-series is a 6-speed manual transmission for rear-wheel drive applications, built by Aisin Seiki (Type AZ6). This transmission was used in the Altezza AS200 and RS200. The same Aisin AZ6 transmission is also found in other models such as the Mazda MX-5 (Miata), Nissan Silvia, Mazda RX-8, Lexus IS and Toyota 86/Scion FR-S/Subaru BRZ. Models:
In December 2020, GM initiated a program to repair or replace 9T65 transmissions which were causing issues. Repairs were limited to external components only. [12] The program applied to vehicles that had less than 18,000 mi (29,000 km) and had been delivered within the past 18 months. [13]