
This is what often causes lines to break and performance problems in the first place. When the transmission becomes too hot, other problems follow. When the cooler can’t work right, it leads to higher fluid temperatures. The entire purpose of the transmission cooler is to reduce the heat in the fluid as it passes through the system. You might hear grinding during a shift change or clunking. When the fluid is sacrificed, parts could start rubbing together, leading to strange sounds. Your transmission has many moving parts that must have the right amount and temperature of the fluid inside. If there is trouble shifting, this problem could be accompanied by unique noises.

What might be a simple problem could quickly turn into an expensive repair if it’s not taken care of. Whenever the transmission acts funny, you want to have it looked at right away. You might start having trouble shifting if the transmission fluid drops below normal amounts. When the transmission cooler fails, it’s possible to lose fluid, which can lead to poor performance. Transmission fluid is bright red in most vehicles, so it is easy to spot. This occurs most frequently if you live in a humid climate or near the ocean. In this case, the line can simply be replaced, which is a quick fix. There are lines running to and from the cooler that can crack or break. The most common symptom of a bad transmission cooler is when a leak occurs. Transmission Cooler Replacement Cost Bad or Clogged Transmission Cooler Symptoms 1.
