Why does transmission fluid leak only when the engine is running

Transmission fluid leaks when the engine is running because the transmission is under pressure. When the engine is off, the transmission fluid is not circulating and there is no pressure, so it does not leak. However, when the engine is running, the transmission fluid is circulating and under pressure, which can cause it to leak through any cracks or holes in the transmission.

The most common places for transmission fluid to leak are the seals and gaskets. These are the components that keep the transmission fluid from leaking out of the transmission. If a seal or gasket is damaged or worn, it can allow transmission fluid to leak out.

Transmission fluid leaks can be a serious problem. If the leak is not repaired, it can cause the transmission to overheat and fail. This can be a costly repair.

If you think your car may have a transmission fluid leak, it is important to have it checked by a mechanic as soon as possible. A mechanic can determine the source of the leak and recommend the best course of action.

What are the symptoms of a transmission fluid leak? The most common symptom is a red or brown fluid leak under your car.
What are the causes of a transmission fluid leak? Damaged or worn seals or gaskets are the most common cause.
How can I prevent a transmission fluid leak? Regular transmission fluid changes and maintenance can help prevent leaks.
How much does it cost to fix a transmission fluid leak? The cost will vary depending on the severity of the leak and the type of car you drive.
Can I drive my car with a transmission fluid leak? It is not advisable to drive your car with a transmission fluid leak for an extended period of time, as it can cause damage to your transmission.

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Why does transmission fluid leak only when the engine is running?

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