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Continuously Variable Transaxle (CVT) Operation

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Published on Oct 29, 2010

See the parts of a CVT in operation:
Drive pulley at 0:15
Driven Pulley at 0:20
Steel push belt at 0:23
Input shaft at 0:30
Reverse clutch at 0:40
Forward clutch at 0:48
Output shaft at 1:03
CVT operational theory at 1:20
Low gear ratio (pulley ratio) at 1:30
High gear ratio (pulley ratio) at 1:55
MUST SEE! CVT Operational demonstration at 2:45
Underdrive ratio (2.6:1) demonstration at 2:48
Overdrive ratio (0.4:1) demonstration at 3:00
Variable ratio and direct drive discussion at 4:15
eCVT difference at 4:50

Weber State University (WSU) - Automotive Technology Department - Transmission Lab. GM Continuously Variable Transaxle (CVT) model VT25. How a belt-driven CVT Works.

Ford, GM, Honda, Chrysler (JATCO), and Nissan CVTs are similar. CVTs allow the engine to operate at the RPM for peak efficiency while increasing and decreasing the transmission drive ratio to change vehicle speed.

This video helps satisfy 2017 NATEF MAST Task A2.C.4. "Describe the operational characteristics of a continuously variable transmission (CVT)", a priority 3 task.

eCVTs are different and are demonstrated in another WeberAuto video.

Download the VT25 Range Reference Chart here: http://www.weber.edu/wsuimages/automo...

http://www.weber.edu/automotive

This video was created and edited by John D. Kelly at WSU. For a full biography, see http://www.weber.edu/automotive/J_Kel...

Visit my other youtube channel https://www.youtube.com/user/vibrates... to see the amazing NVH app for vibration diagnosis!

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