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Transmission Cooler Line Leak at Radiator (Complete Guide)

Updated: Feb 1

✔ This article has been fact checked.

Transmission cooler lines are a crucial component in the functioning of your car's transmission system. These lines are responsible for transporting fluid from the transmission to the radiator, where it is cooled before being sent back to repeat the cycle.

A leak in the transmission cooler line at the radiator can cause serious issues, such as transmission failure, overheating, slipping and inability to change gears, and more. Thankfully, there are some obvious signs to look out for.

In this article, we will look the causes and symptoms of a transmission fluid leak at the radiator and the ways you can fix it. We'll also discuss the severity of this issue and other information you should know.

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