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Is Transmission Oil Leakage Serious for the Car?

1 Answers

OArya

07/29/25 1:11pm

Transmission (gearbox) oil leakage is a very serious automotive transmission malfunction that must be taken seriously. The transmission is the most structurally complex and expensive component to repair in a car, second only to the engine. Generally, automatic transmission oil leakage is mostly caused by aging internal seals, a damaged transmission oil pan, or loose drain plugs. Below are specific introductions to different types of transmissions: 1. CVT: CVT stands for Continuously Variable Transmission. Its advantages include fuel efficiency, low maintenance costs, and smooth operation, but it has weaker acceleration feel and limited capacity for high-torque engines. 2. AT: AT stands for Automatic Transmission. Its advantages are ease of operation and relaxed driving, as the automatic transmission shifts to the most suitable gear based on vehicle speed and feedback from the onboard computer. However, it has higher maintenance costs and fuel consumption. 3. DCT/DSG: DCT and DSG are both Dual-Clutch Transmissions. They offer fast shifting, high efficiency, and low fuel consumption. However, they require high production precision, resulting in higher costs, and provide less comfort.

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