The transmission cooling lines in cars are responsible for transferring the fluid from the transmission to the car radiator to decrease the overall temperature and recirculate it back.
In addition, these cooling lines can wear out over time due to direct contact with the hot fluid and cannot help decrease the temperature of the fluid, resulting in overheating of transmission.
Can I Use Rubber Hose for Transmission Cooling Lines? You can use rubber hose for transmission cooling lines as it is cheap and easy to install due to its high flexibility. Moreover, it is a low-cost replacement of broken and corroded metal pipes and a quick way to repair the damage. Furthermore, you can easily purchase them to quickly replace the damaged pipe by cutting it, joining the two ends with a rubber hose, and fixing them using hose clips.
It becomes essential to replace the damaged transmission cooling lines to decrease the car’s vulnerability due to continuous fluid leakage.
Furthermore, the quick fixing with rubber hoses has helped in getting rid of the costly and time-taking repairs.
What types of hoses are suitable for transmission cooling lines?
Different types of hoses are available for transmission cooling lines, like those made of metal, rubber, and composite aluminum material with varying capabilities to deal with hot fuel.
Moreover, these pipes connect the vehicle’s transmission with the radiator and need to be strong enough to deal with hot fluids.
You can use rubber hoses for cooling lines as it is a cheaper alternative to aluminum or metal, but it is better to know that these are not durable and wear down in a short time.
The rubber tubing is available in varying diameters and thicknesses, allowing you to choose the suitable one, but they lose their strength over time or get busted.
However, the PTFE hoses are a good choice due to their chemical properties that can be used as an external cooler and radiator transmission cooler.
The length of these PTFE pipes depends on their usage, but almost 15 to 18 feet long AN tubes having non-tapered ends are used for standard installations.
Why do you use rubber hoses for transmission cooling lines?
A rubber hose is an ideal hosing pipe to be used for quickly fixing leaky pipes. They are easily available at cheap rates and offer an inexpensive option to replace leaky pipes.
You can get a 30-feet longer transmission cooling pipe that can handle high pressure for almost $70 to $90.
It is a better approach to fix the issue than paying $100 to $400 to repair transmission lines that can wear out and develop a leakage.
These cooling lines can get damaged due to rusting and become leaky over time as they have to handle the hot fluids.
Moreover, the black rubber hoses are flexible and easier to install on metal pipes. It can help save your time and quickly fix the issues.
These transmission rubber tubes can handle the pressure efficiently, but it is better to replace them in the short term as it cannot work for a long time due to less tolerance to hot fluid.
What are the disadvantages of using rubber hoses for transmission cooling lines?
The rubber hoses can help you fix the issues in the transmission cooling lines instantly, but these are associated with a few disadvantages that need to be considered while using them.
They contain plasticizers that keep them flexible and soft, but these plasticizers can evaporate as time passes and make them dry, leading to the formation of cracks.
Moreover, the drying process increases when they are exposed to hot fluids continuously, making them brittle and can easily get broken.
In addition, they cannot take too much heat as they have a certain limit of tolerating high temperatures and lose their structure when exposed to high temperatures.
These rubber lines do not create serious problems and are good to use, but they have shorter lifespans and wear out quickly, meaning you have to replace them frequently.
What factors need to be considered when choosing rubber hose for transmission cooling lines?
A few factors need to be considered while choosing a rubber hose for replacing the leaky cooling lines, including the size of the hose and the potential to tolerate high temperatures.
The rubber hoses that are used for transmission systems are not the same as commonly used rubber pipes but are variants designed explicitly for transmission.
These have to be strong enough to endure the pressure of hot fuel for a long. It is not good to use these rubber pipes on high-performance vehicles because they will wear down quickly.
Accordingly, a metal pipe will be the best solution suitable for a high performer car. So, get a rubber tubing rated for transmission, as the name is usually printed on the pipe.
It can cause melting and leakage issues with ordinary rubber pipes due to excessive heat production. It has to be 10 meters long, and the ideal size is 3/4 and 3/8 inches.
Furthermore, it has to be capable of enduring 130 to 150 PSI pressure created by hot fuel to avoid leakage, but generally, the cooling lines have 25 to 30 PSI pressure.
Additionally, you have to prefer AN fitting for high-performance vehicles that will not be cost-effective but is safer than the cheaper barb fittings.
How do you use a rubber hose on the transmission cooling line?
It is quite easy to use a rubber hose on the transmission cooling lines when it leaks, and the fuel drops are clearly visible on the ground surface.
You have to park the vehicle at a safe spot and try to access the underside area to examine the vehicle’s issues when you see fuel leakage.
Moreover, it is not difficult to find a leakage in the cooling lines as you can see drops of fuel dripping down from the pipes.
Check the exact issue, whether there is a small leakage, or the pipe is broken due to corrosion. Cut out the part of the pipe where you find a hole, or remove the broken part.
Take a black rubber tube of an ideal size and attach one end to one side of the transmission line and the second end to another side.
Fix it tightly using hose clamps to avoid fuel leakage due to loose fitting. Once it gets fits correctly, you can ignite the engine and check whether it is leaking or not.
This way, you can quickly replace the broken metal pipe with the black rubber hose, as it takes almost 15 to 30 minutes to do the whole task.
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