The only way that an engine will be able to run as intended is by having the right internal temperature. With all of the different things that can cause an engine’s internal temperature to rise, it will be a bit hard to keep up with all of them. The oil that runs through your engine can get quite hot without the right elements to cool it down. The oil cooler is usually mounted near the radiator and will help to cool the oil with the air that is passing through the engine. The only way that this oil can get to the cooler is by using the oil cooler lines. This part of your car is used constantly when the engine is running, which is why it is so important to keep it in good shape.

The oil cooler line will have to be checked on a regular basis to ensure that there is no damage that will need to be handled. The time that is spent routinely checking the oil cooler hose will more than pay off when you are able to spot repair issues early on. Allowing these lines to remain damaged can lead to even more repairs to the internal portion of your vehicle. The oil cooler lines of most vehicles are made from metal and have compression fittings on either end. Over time, these fittings may start to become worn. Having threads that are stripped can lead to the hoses coming out of the oil cooler and causing a lot of fluid to leak out. The best way to make sure these hoses are in good shape is by allowing a professional to inspect them on a regular basis.

When your oil cooler lines are damaged, here are some of the warning signs that you may have:

  • There are bends or crimps visible
  • The oil is leaking from around the hoses
  • The Low Oil light in the vehicle is on

Having new oil lines put on is something that is best left for a professional. The professionals will know how to remove the old lines and install new lines without hesitation.

This article originally appeared on YourMechanic.com as How Long Do Oil Cooler Lines Last? and was authored by Valerie Johnston.


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