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Why Does an Automatic Transmission Car Jerk When Braking?

1 Answers

DiClaire

07/29/25 7:54pm

Automatic transmission cars may experience jerking when braking due to sludge circulating in the transmission fluid, which can clog the oil passages in the valve body. Extended content: Tips for maintaining your transmission: 1. Regularly check the automatic transmission fluid level: Unlike engine oil, which is checked when the engine is cold, automatic transmission fluid should be warmed up to approximately 50°C before checking. After shifting the gear lever through each position for 2 seconds and placing it in park, the fluid level on the dipstick should be between the high and low marks. 2. Add automatic transmission protectant: Mix in a ratio of 5%. For older vehicles, it's advisable to add a bottle of automatic transmission leak stopper to rejuvenate aging seals and prevent leaks. 3. Follow the recommended transmission fluid change interval: Generally, automatic transmission fluid should be changed every 2 years or 40,000-60,000 kilometers. Since the normal operating temperature of transmission fluid is around 120°C, always use high-quality transmission fluid.

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