What Causes an Automatic Transmission Car to Not Move When Accelerating?

1 Answers
JoshuaLee
07/29/25 9:12am
Automatic transmission cars failing to move when accelerating is primarily due to the clutch not engaging properly, the handbrake not being released, gear jamming, and worn clutch plates. Below are detailed explanations: Clutch not engaging properly: Insufficient brake fluid or a ruptured/leaking brake fluid line can reduce brake fluid to an inadequate level, preventing the clutch from engaging properly and causing the car not to move when accelerating. In such cases, it is advisable to check if the clutch free travel is excessive. Handbrake not released: The handbrake not being released or not fully disengaged can prevent the car from moving. Simply releasing the handbrake will resolve this issue. Gear jamming: Gear jamming can prevent the car from shifting gears, thus hindering movement. Cleaning the bearings and applying lubricant can solve this problem and prevent similar gear jamming issues in the future. Worn clutch plates: Severely worn clutch plates can impair the car's performance and transmission, leading to an inability to move. Replacing the clutch plates will address this issue.
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