What is the official explanation for the whistling sound in the Nissan Sylphy CVT?

1 Answers
DelEva
07/25/25 4:17am
The whistling sound in the Nissan Sylphy CVT transmission is mainly caused by steel belt slippage. The manufacturer has acknowledged this as a common issue, and currently, there is no effective solution available. Below is an introduction to CVT-related content: 1. Gear shifting principle: This type of transmission is a continuously variable transmission (CVT), and its gear shifting principle differs from that of conventional transmissions. 2. Internal structure: The CVT transmission consists of two cone pulleys and a steel belt chain. 3. Working principle: The steel belt chain can move on the cone pulleys to achieve speed and torque variation. The CVT transmission relies on the friction between the steel belt chain and the cone pulleys to transmit power.
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