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What Causes a Car Transmission to Fail?

1 Answers

OAmelia

07/29/25 10:33pm

Car transmission failure is primarily caused by aging seals or poor sealing, and improper operation can also lead to gearbox damage. Symptoms of a faulty car transmission: 1. Engine stalling when shifting - After starting the vehicle, shifting from P or N to other gears causes engine stall; 2. No movement when engaged - After starting, shifting to D or R shows no response when releasing the brake, vehicle doesn't move forward. Similarly in 1st gear, releasing the clutch doesn't make the vehicle move; 3. Transmission lock-up - During normal driving, high RPMs occur when accelerating but speed increases very slowly. When braking, speed drops to a certain point but won't decrease further. During shifting, the transmission gets stuck in one gear without upshifting or downshifting capability, meaning the transmission remains locked in one gear position.

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