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Common Causes of Transmission Fluid Leaks

Last updated 1 year ago

A transmission fluid leak should be taken very seriously. Whether a leak occurs slowly because of a loose plug or quickly because the transmission bell housing was damaged by a rock, a vehicle with a leak should be taken to a repair shop as soon as possible. If your vehicle has a leak, keep reading to find out more about the common causes of a transmission fluid leak.

Worn Seals or Gaskets

Over time, the seals in a vehicle’s transmission will start to wear out. When they get to the point where they are cracking or fraying, fluid will start to leak out of the transmission pan. Fortunately, getting a gasket replaced at your local car repair shop is easy and inexpensive.

Faulty or Cracked Torque Convertor

Another possible cause of a transmission fluid leak is a broken torque convertor, the component that essentially pumps fluid through the entire transmission. If the body of the torque convertor or its needle bearings is broken, then fluid will leak into the transmission.

Damage From Running Over Sharp Objects

Hitting a rock or a curb can sometimes cause a transmission fluid leak. If your vehicle is leaking transmission fluid because you hit some stones or a curb, it’s likely because your bell housing was damaged or the transmission lines were severed. Oftentimes a sizeable amount of fluid will leak out of a transmission if the bell housing or transmission lines are damaged like this, which will render the vehicle unusable.

Another common cause of fluid leaks can be when a mechanic fails to properly tighten the transmission drain plug or bolt. To ensure that only highly trained transmission experts service your vehicle, come to Allied Transmission of San Jose. We’ve been serving the Bay area since 1970. Call us at (408) 916-5359 or visit our website for more information on our transmission repair services.

 

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