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Why does an automatic transmission car not move when pressing the accelerator in D gear?

1 Answers

RafaelFitz

07/25/25 5:21am

The main reasons why an automatic transmission car does not move when pressing the accelerator in D gear are: 1. If the driveshaft rotates but the car does not move, the fault lies in the rear axle: lift the rear axle, and when turning one rear wheel, if the driveshaft does not rotate and the other rear wheel rotates in reverse, it indicates that all the rivets of the driven bevel gear are sheared. If the other rear wheel also does not rotate, the half-shaft should be disassembled and checked for breakage. 2. If the car starts but the driveshaft does not rotate in a certain gear, the fault is in the transmission: the transmission cover should be removed to check whether the shift fork is broken or if the guide block fixing screws are loose. 3. If the driveshaft does not rotate in any gear, the fault is in the clutch: check whether it is severely slipping, whether all the spline teeth of the clutch driven plate and the rivets on the steel plate are sheared, or if the steel plate is fractured.

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