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What Causes the Abnormal Noise When Braking in D Gear While Stationary?

1 Answers

CoreyLee

07/29/25 3:54pm

The main reasons for abnormal noise when braking in D gear while stationary are: 1. Excessive viscosity of transmission oil: Lack of lubrication from the oil leads to increased wear. 2. Low efficiency of the release fork shaft: Small clutch travel causes the axial clearance of the cross shaft to increase. 3. Clutch oil: The performance of clutch oil decreases due to temperature effects. Here are some additional details: 1. Introduction: The D gear is the most widely used forward gear in automatic transmission vehicles. 2. Purpose: Its main function is to enable the transmission to automatically select the appropriate gear in real-time through the transmission's computer and matching mechanical structure while the vehicle is moving forward, thereby eliminating the need for manual shifting and greatly freeing the driver's hands and feet, improving driving convenience, ease, and comfort. The driver only needs to control the accelerator pedal, brake pedal, and steering wheel, allowing better focus on the driving view and road conditions.

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