What Are the Reasons for Noise When Shifting Gears in an Automatic Transmission?

1 Answers
MacGabrielle
07/30/25 1:48am
Reasons for noise when shifting gears in an automatic transmission: 1. Issues with the generator gear; 2. Large valve clearance and poor lubrication in a cold engine; 3. Transmission malfunction; 4. Shifting gears while the vehicle is not completely stopped. An automatic transmission does not require the driver to manually shift gears; the vehicle automatically selects the appropriate gear based on driving speed and traffic conditions. The gears in an automatic transmission are as follows: 1. P (Park) is the parking and starting gear; 2. R (Reverse) is the reverse gear; 3. N (Neutral) is the neutral gear; 4. D (Drive) is the forward gear, also known as the driving gear; 5. S (Sport) is the sport mode; 6. L (Low) is the low-speed gear; 7. OD (Overdrive) is the overdrive gear.
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