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How to remove transmission cooler lines in Ford – Expert guide

remove transmission cooler

Did you know that the transmission fluid in your Ford does a lot more than just easing up changes in gears? It also lubricates the internal parts and prolongs their life. Moreover, it is thanks to this magical fluid that your transmission does not overheat. 

As the transmission fluid flows, it takes the help of the cooler lines to reach the front of the vehicle through the radiator. These cooler lines are the focus of our article today. We shall learn how to remove them because that’s the first step to changing the transmission itself. Sometimes, you may just need to solely replace the cooler lines. Either way, knowing how to do it will help you save time and bucks.

How to remove transmission cooler lines in Ford

Please follow our step-by-step process and you won’t feel the pain! 

  • Start by using a floor jack to lift your vehicle’s front side. Use two jack stands to support the vehicle. Put them under the frame.
  • Do the same with the vehicle’s back side. Lift it with a floor jack and use jack stands to support the weight.
  • Get rid of all the transmission fluid from the bottom. Check whether the transmission pan has a drain plug. If yes, this process will be easy. You just need a wrench. If there is no drain plug, you will have to work a little harder. Grab a flathead screwdriver and loosen the bolts.
  • After the fluid drains completely, remove the transmission’s pan itself.
  • Now, open the hood and locate the cooler lines. Trace their path just to be sure.
  • You will now need a flare nut wrench to remove the cooler lines. Start from the side with the open end of your tool. Slide it along the line until you reach the nut that is keeping it in place. Loosen the nut and pull the cooler line. 
  • Repeat the process with the second cooler line.


Here are a few things you should know about the transmission and its cooler lines.

1) How much does it cost to replace a transmission cooler line?

Depending on whether you choose to do it yourself or hire a professional, it can charge from $40 to $450. 

2) What causes transmission cooler lines to leak?

If the cooler’s body has a leakage, it will affect the cooler lines. Besides that, there may be clogging due to contamination in the fluid.

3) Can you repair transmission cooler lines?

Replacing it is the best option if it is broken or corroded or damaged in any way. 

4) Can I drive with a transmission leak?

You can but you will damage the engine if you ignore the leak.

5) What can I use for transmission cooler lines?

Rubber lines are very common and cheap. You can buy those without worrying. There are metal lines as well, if you want to check them out.

6) What happens if you reverse transmission lines?

It would affect the cooling because the whole process would be affected.


Adequate maintenance and timely replacement can help you save a lot of bucks and hard work. We hope this article helps you replace your cooler lines with ease. If you have any doubts or if there’s confusion, please reach out.

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